Effects of Copper and Phosphorus on Temper Embrittlement of Mn-Mo-Ni Low Alloy Steel (ASTM A533-B)* NobuharuKusunoki***and KazuhiroSuzuki***

Size: px
Start display at page:

Download "Effects of Copper and Phosphorus on Temper Embrittlement of Mn-Mo-Ni Low Alloy Steel (ASTM A533-B)* NobuharuKusunoki***and KazuhiroSuzuki***"

Transcription

1 Effects Copper Phosphus on Temper Embrittlement Mn-Mo-Ni Low Alloy Steel (ASTM )* ByMasayoshiHasegawa**, NobuyaNakajima***, NobuharuKusunoki*** KazuhiroSuzuki*** effect copper on temper steel. After beg quenched tempered, various lengths time up to 1000hr. was vestiged usg four hes ASTM each specimen was 300, 400, 500 impact test was carried out several observed by means scanng electron microscopy Auger electron spectroscopic techniques. results obtaed are summarized as follows: (1) contag 0.37%. copper showed temper, phenomenon was similar to th caused by phosphus under same he trement conditions. (2) contag copper phosphus, degree was affected by temperure, time pri austenite gra size. F same time, this showed a maximum value about, was still progressg after 1000hr. (3) At fracture surface Charpy impact test pieces, tergranular fracture was observed copper phosphus added specimen after trement. (4) After prolonged, concentrion copper phosphus on fracture surface was observed by Auger electron spectroscopy. (ReceivedFebruary18, 1975) electron Ⅰ. Introduction In recent years, many papers regardg temper steel have been repted(1). In consequence se vestigions, it was found th temper low alloy steels occurred as a result heg temperures range 300 slow coolg through this range spectroscopic technique(7) (9). On h, durg irradiion high temperure nuclear reacts, an pressure vessel steel weldment is known to be reled to presence residual elements, especially such as copper phosphus(10) (12), this phenomenon has present auths temper but mechanism not been explaed yet. have assumed th caused by copper from temperg temperure(2). It is also well known th impurities such as phosphus, phosphus irradiion antimony, perure react. Although no effect copper steel on temper was repted, this vestigion showed th copper ptant arsenic role this t steel play type an im- (3) (6). In last few years, it has been observed th segregion se impurities gra sub-gra boundaries is reled to usg a newly developed might be cluded lently service tem- had same fluence on temper steel as case phosphus. Auger Ⅱ. Experimental Procedure * This paper was igally published Japanese Tetsu-to-Hagane, 60 (1974), ** Department Metallurgy, Faculty Science Engeerg, Waseda University, Tokyo 160, Japan. *** Gradue School, Waseda University, Tokyo 160, Japan. Trans. JIM 1. Merials In this study, four hes ASTM steel (Mn-Mo-Ni steel) contag copper phosphus melted an duction 1975 Vol. 16

2 Masayoshi Hasegawa, Nobuya Nakajima, Nobuharu Kusunoki Kazuhiro Suzuki 642 Table l Chemical composition ASTM steels (wt%). furnace as 50kg gots n ged rolled to 17mm-thick ples. chemical composition se is shown Table 1. Specimen 1 with less impurities was high purity merial; specimen 2 was stard this vestigion; specimen 3 contag 0.37% copper was copperbearg merial, specimen 4 contag 0.06% phosphus was phosphusbearg merial. 2. He trement hr, steel wer austenitized quenched 850 tempered m followed by coolg wer. austenite gra size steels was range from ASTM gra size numbers 6.0 to 6.5 after this he trement. After beg quenched 300, tempered, 400, 500 up to 1000 hr n cooled wer. In der to vestige effect austenite gra size, itized wer. 670 number 1200 se schemically 1 3 austen- 1hr 30m. se 3.5 to 4.0. steels shown to tempered austenite se he 2 size from only trements Fig. 1. Table gra was range 100hr. quenched Tensile properties are Fig. 1 Schemicrepresention variousconditions he trement. 3. Mechanical properties To defe mechanical properties, tensile Charpy impact tests carried out after each he trement. Tensile tests room temperure with a stra re 0.5 mm/m permed on fl with a gage length 30mm, a width 10 mm a thickness 2.5mm. In quenched tempered ste, chemical composition had no effect, general, on tensile properties four. Charpy impact test on subsize, 5mm square by 55mm long with 1mm V-notch, done various temperures to cover transition curve each specimen. area brittle fracture was determed on fracture surface percentage brittle fracture was calculed. transition temperures appeared 50 percent brittle fracture determed from se curves. To evalue sensitivity to temper, value transition tem- as quenched tempered.

3 Effects Cu P on Temper shift (ΔTrS) ASTM (a) (b) (c) (d) Fig. 2 perure Embrittlement 643 Steel Transition curves quenched tempered specimen. (a) specimen 1 (b) specimen 2 (c) specimen 3 (d) specimen 4 was estimed from se transition curves. On condition quenched tempered, impact test results four (from 1 to 4) are shown Fig. 2. It was recognized th ductile-brittle transition temperures -72 th range presence phosphus steels had no effects quenched tempered shift transition 1000hr, is shown temperures 300 to Figs. -86 copper significant ste. (ΔTrS) After Fig. 4 Effects copper phosphus steels on temper hr. 100hr, effect impurities steel was observed specimen 3 after 1000hr, marked rise transition temperure occurred 3 4. Considerg composition 3 4, presence copper phosphus must have duced susceptibility to temper brittleness steel. effect time on Fig. 3 Effects 100hr. copper phosphus steels on temper 300- is shown Fig. 5. After about 100hr, ATrS already reached a surion value specimen 2, but 3 4, still creased with time. So difference degree depended

4 Masayoshi Hasegawa, Nobuya Nakajima, Nobuharu 644 Fig. 5 Effect time on Kusunoki Kazuhiro Suzuki temper steels. largely upon composition, especially copper phosphus, time temperure. It was well known th one facts affected degree temper was austenite gra size(13). In quenched tempered ste, transition temperures 1 3 raised a little as austenite gra size crease from ASTM 6 to 3 as shown Fig. 6. After beg 100hr, although Fig. 6 Effect pri austenite gra size on Charpy transition temperure 1 3. aus- tenite gra size did not fluence temper specimen 1, existence copper caused transition temperure specimen 3 to be highly sensitive to gra size he trement conditions examed. 4. Microstructures microstructures observed by means optical microscopy scanng type electron microscopy (SEM). microstructures 1 to 4 as quenched tempered all tempered martensite shown Photo. 1, after, carbides produced gra boundary tempered martensite. Sce no difference was observed between, copper phosphus nurally had no effect on optical microphotographs. Fractographs impact-fractured surface obtaed with SEM. brittle fracture surface quenched tempered was quasicleavage one th was ten obtaed a tempered martensite structure. After trement, 1 2 consisted quasi-cleavage fracture but tergranular fracture was also observed Auger electron spectroscopy technique Auger electron spectroscopy was used to measure segregion elements. Pre-notched samples-6.35mm (1/4.) diameter 25.4mm (1.) long- held a evacued chamber a pressure Tr. mely a In temperure this chamber, a approxihammer fractured sample notch surface was provided analysis composition. result analysis usg 3 4 is shown Fig. 7. Comparg curves (b) with (a) specimen 3, three peaks which cresponds to copper can be seen specimen. Specimen contag 0.37 copper demonstred th copper segreged to gra boundary by. As shown curves (c) (d) specimen 4 only change imptance appears to be phosphus le.

5 Effects Cu P on Temper Photo. Photo. 2 Scanng 1 Embrittlement Microstructures electron ASTM microscope fractographs Steel 645 steels. steels. (a) Specimen 4 after ( 1000hr) tested -65 (b) Specimen 3 after ( hr) tested -45 (c) Specimen 3 after ( 1000hr) tested -35 ( /5) (2) maximum re was Ⅲ. Conclusion Discussion Evalug temper ASTM steels with without copper phosphus, results obtaed are summarized as follows: (1) With, effect phosphus on temper was observed, content copper also showed same behavi as effect phosphus. obtaed bearg specimen 300 to copper phosphus- temperures. (3) In this temperure range, creased with time. (4) By trement, mode fracture surface was changed from quasicleavage to tergranular specimen contag copper phosphus. (5) After prolonged heg, concen-

6 Masayoshi Hasegawa, Nobuya Nakajima, Nobuharu Kusunoki Kazuhiro Suzuki 646 would occur after long time use even temperures lower than temperure range this vestigion. This phenomenon is a quite terestg problem from pots view metallurgical engeerg safety, so th furr experiments are beg carried out on followg: (1) prolonged lower temperures, (2) an quench-temper low alloy steels, such as ASTM A542, (3) allowable lower limit copper phosphus content, (4) detailed mechanism behavi copper phosphus on. Acknowledgment Fig. 7 Auger tied ( spectra non-embrittled 1000hr) steels used this study melted Yawa Technical Research Laby co-operive irradiion test sponsed by Japan Atomic Energy Research Institute Auger electron spectroscopy was permed Foundamental Research Laby Nippon Steel Cp. auths wish to thank Mr. Keiji Shimokawa Dr. Mitsuru Tano Cp. ir cooperion. embrit- ASTM steels. REFERENCES trion copper phosphus on fracture surface was observed by Auger electron spectroscopy. detailed mechanism by which copper produces temper remas almost unknown. In steel, copper has large solubility austenite structure. Although equilibrium solubility not has been copper α-iron defitely below established, it is thought to be very small(14). When a steel contag a small amount copper is quenched tempered, copper might be dissolved tempered martensite. Sce diffusion re copper gradually is very low, a long time it must precipite α-iron(15) (17). To cause temper by copper, a prolonged is necessary tempered martensitic structured steel such as specimen used this study. Temper caused by presence copper steel will be duced not by a temperg trement but by a prolonged heg operg temperure. In steel used nuclear, react turbes he enge plants, this (1) J. H. Hollomon:Trans.ASM,36 (1946),473. (2) B. C. Woodfe:J. Iron SteelInst., 173(1953), 229. (3) P. A. Restao C. J. McMahon:Trans.ASM, 60 (1967),699. (4) A. Preece R. D. Carter: J. Iron SteelInst., 173(1953),387. (5) J. R. Low,Jr., D. F. Ste,A. M. Turkalo, R. P. Lace: Trans. Met. Soc. AIME, 242 (1968),14. (6) W. Steven K. Balajiva:J. Iron SteelInst., 179(1959),141. (7) D. F. Ste,R. E. Weber, P. W. Palmberg: J. Metals,23 (1971),39. (8) R. Viswanhan:Met. Trans.,2 (1971),809. (9) D. F. Ste,A. Joshi, R. P. Lace:Trans. ASM, 62(1969),776. (10)L. E. Steele: AtomicEnergyReview,7 (1969), 122. (11)F. A. Smidt,Jr.: Met. Trans.,3 (1972),2065. (12)J. R. Hawthne:ASTMSTP 484(1970),96. (13)J. M. Capus:J. Iron SteelInst., 182 (1962),922. (14)H. A. Wriedt L. S. Darken: Trans. Met. Soc.AIME,218(1960),30. (15)M. S. An R. P. Agarwala:J. Appl. Phys., 37 (1966),4248. (16)E. Hnbgen R. C. Glenn: Trans. Met. Soc.AIME,218(1960),1064. (17)E. Hnbgen:Acta. Met.,10 (1962),525.

By Hajime Suto* and Taku Murakami**

By Hajime Suto* and Taku Murakami** On Gra an Aged Boundary Embrittlement 12-6-Fe Martensite By Hajime Su* Taku Murakami** Gra through Auger agg ment 375 occurred corresponded concluded gra segregion th 120 well creasg due spectroscopy.

More information

IMPROVEMENT OF MECHANICAL PROPERTIES IN FE-MN-TI STEEL BY ALLOYING WITH CR AND MO , Tehran, Iran. Tabriz, Iran

IMPROVEMENT OF MECHANICAL PROPERTIES IN FE-MN-TI STEEL BY ALLOYING WITH CR AND MO , Tehran, Iran. Tabriz, Iran IMPROVEMENT OF MECHANICAL PROPERTIES IN FE-MN-TI STEEL BY ALLOYING WITH CR AND MO M. Nili-Ahmadabadi a, S. Hossein Nedjad b, M. Sadeghi a and H. Shirazi a a Deptartment of Metallurgy and Materials Engineering,

More information

Chapter 7. Stainless Steels. /MS371/ Structure and Properties of Engineering Alloys

Chapter 7. Stainless Steels. /MS371/ Structure and Properties of Engineering Alloys Chapter 7 Stainless Steels Stainless steels at least % Cr in iron is required (max 30% Cr) Cr: to make iron surface by forming a surface oxide film protecting the underlying metal from corrosion Ni: to

More information

Light and electron microscopy of microstructure and fractography of an ultrahigh-strength martensitic steel

Light and electron microscopy of microstructure and fractography of an ultrahigh-strength martensitic steel Light and electron microscopy of microstructure and fractography of an ultrahigh-strength martensitic steel Shi, X., Wang, W., Ye, W., Sha, W., Shan, Y., Shen, M., & Yang, K. (2014). Light and electron

More information

fatigue and tensile tests were cut parallel to the rolling direction into the forms indicated in Fig. 2.

fatigue and tensile tests were cut parallel to the rolling direction into the forms indicated in Fig. 2. Stress Cold-Rolled Fatigue Carbon By Masahiko Strength Steel Ogirima* To obta effect cold rollg on fatigue strength, commercial 0.8% carbon eutectoid steel coldrolled to various degrees n fatigued bendg

More information

Effect of Titanium Carbide Precipitates on the Ductility of 30 mass% Chromium Ferritic Steels

Effect of Titanium Carbide Precipitates on the Ductility of 30 mass% Chromium Ferritic Steels Materials Transactions, Vol. 44, No. 6 (2003) pp. 1153 to 1158 #2003 The Japan Institute of Metals Effect of Titanium Carbide Precipitates on the Ductility of 30 mass% Chromium Ferritic Steels Tadashi

More information

Temper Embrittlement Sensitivities of 3Cr 1Mo and 2.25Cr 1Mo Low Alloy Steels

Temper Embrittlement Sensitivities of 3Cr 1Mo and 2.25Cr 1Mo Low Alloy Steels , pp. 1363 1367 Temper Embrittlement Sensitivities of 3Cr 1Mo and 2.25Cr 1Mo Low Alloy Steels Hossein ARABI, Shamseddin MIRDAMADI and A. R. ABDOLMALEKI Department of Metallurgy and Materials Engineering,

More information

EVALUATION OF THERMAL FATIGUE PROPERTIES OF HSS ROLL MATERIALS. Jong Il Park a Chang Kyu Kim b Sunghak Lee b

EVALUATION OF THERMAL FATIGUE PROPERTIES OF HSS ROLL MATERIALS. Jong Il Park a Chang Kyu Kim b Sunghak Lee b EVALUATION OF THERMAL FATIGUE PROPERTIES OF HSS ROLL MATERIALS Jong Il Park a Chang Kyu Kim b Sunghak Lee b a Hot Rolling Department, Pohang Iron and Steel Co., Ltd., Pohang 79-75 b Center for Advanced

More information

Effects of Coiling Temperature on Microstructure and Mechanical Properties of High-strength Hot-rolled Steel Plates Containing Cu, Cr and Ni

Effects of Coiling Temperature on Microstructure and Mechanical Properties of High-strength Hot-rolled Steel Plates Containing Cu, Cr and Ni , pp. 692 698 Effects of Coiling Temperature on Microstructure and Mechanical Properties of High-strength Hot-rolled Steel Plates Containing Cu, Cr and Ni Sung-Joon KIM, Chang Gil LEE, Tae-Ho LEE and Sunghak

More information

INVESTIGATION OF PHOSPHOROUS EFFECT ON THE FRACTURE TOUGHNESS OF HIGH STRENGTH SPRING STEELS BY INTEGRATED ELECTRON SPECTROSCOPY TECHNIQUES

INVESTIGATION OF PHOSPHOROUS EFFECT ON THE FRACTURE TOUGHNESS OF HIGH STRENGTH SPRING STEELS BY INTEGRATED ELECTRON SPECTROSCOPY TECHNIQUES INVESTIGATION OF PHOSPHOROUS EFFECT ON THE FRACTURE TOUGHNESS OF HIGH STRENGTH SPRING STEELS BY INTEGRATED ELECTRON SPECTROSCOPY TECHNIQUES M Jenko 1, V Leskovšek 1, B Senčič 2 and N Pukšič 1 1 Institute

More information

Copper Precipitation Hardened, High Strength, Weldable Steel

Copper Precipitation Hardened, High Strength, Weldable Steel Copper Precipitation Hardened, High Strength, Weldable Steel by Semyon Vaynman 1, Morris E. Fine 1, Gautam Ghosh 1, and Shrikant P. Bhat 2 "Materials for the New Millennium," Proceedings of the 4 th Materials

More information

Case Study: Design of Bainitic Steels

Case Study: Design of Bainitic Steels Materials Science & Metallurgy Part II Course C9, Alloys, H. K. D. H. Bhadeshia Case Study: Design of Bainitic Steels Bainite Summarised Bainite is a non lamellar aggregate of carbides and plate shaped

More information

Development of a High-Deformability Linepipe with Resistance to Strain-aged Hardening by HOP (Heat-treatment On-line Process)

Development of a High-Deformability Linepipe with Resistance to Strain-aged Hardening by HOP (Heat-treatment On-line Process) JFE TECHNICAL REPORT No. 12 (Oct. 28) Development of a High-Deformability Linepipe with Resistance to Strain-aged Hardening by HOP (Heat-treatment On-line Process) OKATSU Mitsuhiro *1 SHIKANAI Nobuo *2

More information

Effect of Ti on Charpy Fracture Energy and Other Mechanical Properties of ASTM A 710 Grade B Cu-Precipitation-Strengthened Steel

Effect of Ti on Charpy Fracture Energy and Other Mechanical Properties of ASTM A 710 Grade B Cu-Precipitation-Strengthened Steel To be presented at Materials Science & Technology 2009 Conference (MS&T 09) October 25-29, 2009, Pittsburgh, PA Effect of Ti on Charpy Fracture Energy and Other Mechanical Properties of ASTM A 710 Grade

More information

Flux-cored Wire for HT610 Class Steel Showing Excellent Toughness after PWHT

Flux-cored Wire for HT610 Class Steel Showing Excellent Toughness after PWHT Flux-cored Wire for HT610 Class Steel Showing Excellent Toughness after PWHT Dr. Yoshihiko KITAGAWA *1, Shuji SASAKURA *1, Masahiro INOMOTO *2, Hidenori NAKO *2, Yoshitomi OKAZAKI *2 *1 Welding Process

More information

Investigation of aging heat treatment on microstructure and mechanical properties of 316L austenitic stainless steel weld metal

Investigation of aging heat treatment on microstructure and mechanical properties of 316L austenitic stainless steel weld metal Computational Methods and Experiments in Material Characterisation II 63 Investigation of aging heat treatment on microstructure and mechanical properties of 316L austenitic stainless steel weld metal

More information

Effects of Mo Addition and Austenitizing Temperature on Hardenability of Low Alloy B-added Steels

Effects of Mo Addition and Austenitizing Temperature on Hardenability of Low Alloy B-added Steels , pp. 1150 1155 Effects of Mo Addition and Austenitizing Temperature on Hardenability of Low Alloy B-added Steels Hitoshi ASAHI Nippon Steel Corporation, Steel Research Laboratories, Shintomi, Futtsu-shi,

More information

Influence of Manganese and Sulfur on. Hot Ductility of. Carbon Steels at High Strain Rate* By Chihiro NAGASAKI,** Atsushi

Influence of Manganese and Sulfur on. Hot Ductility of. Carbon Steels at High Strain Rate* By Chihiro NAGASAKI,** Atsushi Influence of Manganese and Sulfur on Hot Ductility of Carbon Steels at High Strain Rate* By Chihiro NAGASAKI,** Atsushi AIZAWA*** and Junji KIHARA** Synopsis For the sake of understanding the mechanism

More information

As-Quenched Martensite with Precipitation Hardening

As-Quenched Martensite with Precipitation Hardening Technical Report As-Quenched Martensite with Precipitation Hardening UDC 621. 785. 616 Kazuki FUJIWARA* Kaori KAWANO Abstract The hardness of martensite depends on the content of the interstitial element

More information

1. Introduction. the future.

1. Introduction. the future. JFE TECHNICAL REPORT No. 11 (June 2008) Development of YP 960 and 1 100 MPa Class Ultra High Strength Steel Plates with Excellent Toughness and High Resistance to Delayed Fracture for Construction and

More information

Effect of V, Nb and Ti Addition and Annealing Temperature on Microstructure and Tensile Properties of AISI 301L Stainless Steel

Effect of V, Nb and Ti Addition and Annealing Temperature on Microstructure and Tensile Properties of AISI 301L Stainless Steel , pp. 991 998 Effect of V, Nb and Ti Addition and Annealing Temperature on Microstructure and Tensile Properties of AISI 301L Stainless Steel Masayoshi SAWADA, Kazuhiko ADACHI and Takashi MAEDA Corporate

More information

THE REGULARITIES OF PHASE AND STRUCTURAL TRANSFORMATION IN BINARY TITANIUM ALLOYS WITH METALS OF IV VIII GROUPS OF THE PERIODIC TABLE

THE REGULARITIES OF PHASE AND STRUCTURAL TRANSFORMATION IN BINARY TITANIUM ALLOYS WITH METALS OF IV VIII GROUPS OF THE PERIODIC TABLE DOI: 10.2478/v10077-008-0004-7 A.V. Dobromyslov Institute of Metal Physics, Ural Branch of Russian Academy of Sciences, Еkaterinburg, Russia THE REGULARITIES OF PHASE AND STRUCTURAL TRANSFORMATION IN BINARY

More information

BY THE SEVENTEENTH GOLD MEDALIST OF THE JAPAN INSTITUTE OF METALS

BY THE SEVENTEENTH GOLD MEDALIST OF THE JAPAN INSTITUTE OF METALS COMMEMORATIVE LECTURE BY THE SEVENTEENTH GOLD MEDALIST OF THE JAPAN INSTITUTE OF METALS The Relation Fusion Entropy Fusion Metallic Their Crystal By Hiroshi or Heat Structure* Sawamura' The present vestigationh

More information

This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and

This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution

More information

Precipitation of Laves phase Fe 2 Mo type in HSLA steel with copper addition and high content of molybdenum

Precipitation of Laves phase Fe 2 Mo type in HSLA steel with copper addition and high content of molybdenum ARCHIVES of FOUNDRY ENGINEERING Published quarterly as the organ of the Foundry Commission of the Polish Academy of Sciences ISSN (1897-3310) Volume 10 Special Issue 3/2010 213 218 41/3 Precipitation of

More information

Refinement Mechanism of Heat-Affected Zone Microstructures on TiO Steels

Refinement Mechanism of Heat-Affected Zone Microstructures on TiO Steels Technical Report UDC 669. 14. 018. 292 : 621. 791. 053 : 539. 55 Refinement Mechanism of Heat-Affected Zone Microstructures on TiO Steels Shunsuke TANIGUCHI* Genichi SHIGESATO Abstract Nippon Steel & Sumitomo

More information

To Study the Effect of Austempering Temperature on Fracture Behaviour of Ni-Mo Austempered Ductile Iron (ADI)

To Study the Effect of Austempering Temperature on Fracture Behaviour of Ni-Mo Austempered Ductile Iron (ADI) Journal of Minerals & Materials Characterization & Engineering, Vol. 7, No.4, pp 307-316, 2008 jmmce.org Printed in the USA. All rights reserved To Study the Effect of Austempering Temperature on Fracture

More information

Effect of Full Annealing PWHT on a Long -term Creep Strength of 2.25Cr-1Mo Steel Welded Joint

Effect of Full Annealing PWHT on a Long -term Creep Strength of 2.25Cr-1Mo Steel Welded Joint Effect of Full Annealing PWHT OMMI (Vol. 2, Issue 2) Aug. 2003 www.ommi.co.uk Effect of Full Annealing PWHT on a Long -term Creep Strength of 2.25Cr-1Mo Steel Welded Joint Kazuhiro Kimura, Takashi Watanabe,

More information

Effect of tempering temperature on microstructure and mechanical properties of low alloy high strength steel

Effect of tempering temperature on microstructure and mechanical properties of low alloy high strength steel Journal of Metals, Materials and Minerals, Vol.28 No.1 pp.16-21, 2018 Effect of tempering temperature on microstructure and mechanical properties of low alloy high strength steel Vaibhav YADAV 1, Anil

More information

Effect of Morphology of Copper Precipitation Particles on Hydrogen Embrittlement Behavior in Cu-Added Ultra Low Carbon Steel

Effect of Morphology of Copper Precipitation Particles on Hydrogen Embrittlement Behavior in Cu-Added Ultra Low Carbon Steel Materials Transactions, Vol. 43, No. 9 (2002) pp. 2213 to 2218 c 2002 The Japan Institute of Metals Effect of Morphology of Copper Precipitation Particles on Hydrogen Embrittlement Behavior in Cu-Added

More information

Effects of Ni and Heat Treatment on Long-term Creep Strength of Precipitation Strengthened 15Cr Ferritic Heat Resistant Steels

Effects of Ni and Heat Treatment on Long-term Creep Strength of Precipitation Strengthened 15Cr Ferritic Heat Resistant Steels , pp. 1747 1753 Effects of Ni and Heat Treatment on Long-term Creep Strength of Precipitation Strengthened 15Cr Ferritic Heat Resistant Steels Yoshiaki TODA, Mitsuyoshi IIJIMA, 1) Hideaki KUSHIMA, 2) Kazuhiro

More information

1. Introduction. 2. Objective of development and effects of alloying elements

1. Introduction. 2. Objective of development and effects of alloying elements Recent boilers have been designed for higher temperatures and pressures than those in the past and require steels with high temperature strength that is greater than that of conventional 18-8 austenitic

More information

Engineering Materials

Engineering Materials Engineering Materials Heat Treatments of Ferrous Alloys Annealing Processes The term annealing refers to a heat treatment in which a material is exposed to an elevated temperature for an extended time

More information

low susceptibility to delayed fracture. High strength steels are known to be prone to delayed fracture.

low susceptibility to delayed fracture. High strength steels are known to be prone to delayed fracture. Stricter requirements are imposed on collision safety by newly revised regulations such as Federal Motor Vehicle Safety Standard (FMVSS) No.214 and Insurance Institute for Highway Safety (IIHS) 1). To

More information

HYDROGEN EMBRITTLEMENT AND LOW TEMPERATURE EFFECTS ON CARBON STEELS

HYDROGEN EMBRITTLEMENT AND LOW TEMPERATURE EFFECTS ON CARBON STEELS HYDROGEN EMBRITTLEMENT AND LOW TEMPERATURE EFFECTS ON CARBON STEELS LAURA VERGANI Politecnico di Milano, Department of Mechanical Engineering, Milano, Italy CHIARA COLOMBO Politecnico di Milano, Department

More information

Effects of Post Weld Heat Treatment (PWHT) Temperature on Mechanical Properties of Weld Metals for High-Cr Ferritic Heat-Resistant Steel

Effects of Post Weld Heat Treatment (PWHT) Temperature on Mechanical Properties of Weld Metals for High-Cr Ferritic Heat-Resistant Steel Effects of Post Weld Heat Treatment (PWHT) Temperature on Mechanical Properties of Weld Metals for High-Cr Ferritic Heat-Resistant Steel Genichi TANIGUCHI *1, Ken YAMASHITA *1 * 1 Welding Process Dept.,

More information

Proceedings of the First International Conference on Self Healing Materials April 2007, Noordwijk aan Zee, The Netherlands N.Shinya et al.

Proceedings of the First International Conference on Self Healing Materials April 2007, Noordwijk aan Zee, The Netherlands N.Shinya et al. SELF HEALING OF CREEP DAMAGE THROUGH AUTONOMOUS BORON SEGREGATION AND BORON NITRIDE PRECIPITATION DURING HIGH TEMPERATURE USE OF AUSTENITIC STAINLESS STEELS N. Shinya 1*, J. Kyono 1, K. Laha 2 and C. Masuda

More information

SEGREGATION BEHAVIOR OF PHOSPHORUS AND ITS EFFECT ON MICROSTRUCTURE AND MECHANICAL PROPERTIES IN ALLOY SYSTEM Ni-Cr-Fe-Mo-Nb-Ti-Al*

SEGREGATION BEHAVIOR OF PHOSPHORUS AND ITS EFFECT ON MICROSTRUCTURE AND MECHANICAL PROPERTIES IN ALLOY SYSTEM Ni-Cr-Fe-Mo-Nb-Ti-Al* SEGREGATION BEHAVIOR OF PHOSPHORUS AND ITS EFFECT ON MICROSTRUCTURE AND MECHANICAL PROPERTIES IN ALLOY SYSTEM Ni-Cr-Fe-Mo-Nb-Ti-Al* Xishan Xie, Xingbo Liu, Jianxin Dong, Yaohe Hu, Zhichao Xu University

More information

I. 8. Evaluation of Ductile-brittle Transition Behavior of Helium-Implanted Reduced Activation Martensitic Steel F82H by Miniature Charpy Specimens

I. 8. Evaluation of Ductile-brittle Transition Behavior of Helium-Implanted Reduced Activation Martensitic Steel F82H by Miniature Charpy Specimens CYRIC Annual Report 2002 I. 8. Evaluation of Ductile-brittle Transition Behavior of Helium-Implanted Reduced Activation Martensitic Steel F82H by Miniature Charpy Specimens Hasegawa A., Wakabayashi E.,

More information

[Kumar, 5(12): December2018] ISSN DOI /zenodo Impact Factor

[Kumar, 5(12): December2018] ISSN DOI /zenodo Impact Factor GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES IMPROVEMENT IN TENSILE STRENGTH OF MILD STEEL BY CARBURIZATION TECHNIQUE Pardeep Kumar* 1 & Parveen Sharma 2 *1&2 Assistant Professor, Department of

More information

HOT COMPRESSION AND FRACTURE TOUGHNESS OF HIGH SPEED STEEL WORK ROLLS. A. Ziadi, B. Serier, B. Boutabout and M. Belhouari

HOT COMPRESSION AND FRACTURE TOUGHNESS OF HIGH SPEED STEEL WORK ROLLS. A. Ziadi, B. Serier, B. Boutabout and M. Belhouari HOT COMPRESSION AND FRACTURE TOUGHNESS OF HIGH SPEED STEEL WORK ROLLS A. Ziadi, B. Serier, B. Boutabout and M. Belhouari Department of Mechanical Engineering, University of Sidi Bel Abbes, BP.89, 22000,

More information

Transition temperature

Transition temperature Transition temperature Different criteria are used to determine the transition temperature, depending on the purpose of the application. Various criteria of transition temperature obtained from Charpy

More information

STRUCTURE AND PROPERTIES OF A508 GR. 4N CLASS 3 GRADE STEEL

STRUCTURE AND PROPERTIES OF A508 GR. 4N CLASS 3 GRADE STEEL STRUCTURE AND PROPERTIES OF A508 GR. 4N CLASS 3 GRADE STEEL Ladislav KANDER a, Šárka STEJSKALOVÁ a, Magdalena ŠMÁTRALOVÁ a, Petr ČÍŽEK a, Petr PUSTĚJOVSKÝ b MATERIAL AND METALLURGICAL RESEARCH Ltd., Ostrava,

More information

Chulalongkorn University, Bangkok, Thailand. Chulalongkorn University, Bangkok, Thailand; Abstract

Chulalongkorn University, Bangkok, Thailand. Chulalongkorn University, Bangkok, Thailand; Abstract Journal of Metals, Materials and Minerals. Vol.16 No.2 pp.25-31, 2006 The Effect of Long-Term Thermal Exposure at Elevated Temperatures on Microstructures and Mechanical Properties in Centrifugally Casted

More information

Mechanical Properties and Fracture Behavior of Medium Carbon Dual Phase Steels

Mechanical Properties and Fracture Behavior of Medium Carbon Dual Phase Steels Mechanical Properties and Fracture Behavior of Medium Carbon Dual Phase Steels Manoranjan Kumar Manoj 1*, Vivek Pancholi 2 and Sumeer Kumar Nath 2 Metallurgical Engineering Department 1, National Institute

More information

Cr-Alloyed Steel Powders for High-Strength Sintered Parts without Heat Treatment after Sintering *

Cr-Alloyed Steel Powders for High-Strength Sintered Parts without Heat Treatment after Sintering * KAWASAKI STEEL TECHNICAL REPORT No. 47 December 2 Cr-Alloyed Steel Powders for High-Strength Sintered Parts without Heat Treatment after Sintering * Shigeru Unami Senior Researcher, iron Powder & Magnetic

More information

of Metal Alloys This is just an extension of the previous chapter Hardenability of Steels: The Jominy Test

of Metal Alloys This is just an extension of the previous chapter Hardenability of Steels: The Jominy Test Chapter 11 Applications and Processing of Metal Alloys This is just an extension of the previous chapter Hardenability of Steels: The Jominy Test As usual, everything is standardized! After the Jominy

More information

MTLS 4L04 Steel Section. Lecture 6

MTLS 4L04 Steel Section. Lecture 6 MTLS 4L04 Steel Section Lecture 6 Tempering of Martensite To get around the problem of the brittleness of the Martensite, Martensite is heat treated at elevated temperatures (200-700 C) to precipitate

More information

The liquid phase sintering of molybdenum with Ni and Cu additions

The liquid phase sintering of molybdenum with Ni and Cu additions Materials Chemistry and Physics 67 (2001) 92 100 The liquid phase sintering of molybdenum with Ni and Cu additions K.S. Hwang, H.S. Huang Institute of Materials Science and Engineering, National Taiwan

More information

Rajamangala University of Technology Krungthep, 2,Nanglinchee Road, Tungmahamek, Sathorn, Bangkok, 10120, Thailand

Rajamangala University of Technology Krungthep, 2,Nanglinchee Road, Tungmahamek, Sathorn, Bangkok, 10120, Thailand Advanced Materials Research Online: 2013-09-04 ISSN: 1662-8985, Vols. 774-776, pp 1059-1067 doi:10.4028/www.scientific.net/amr.774-776.1059 2013 Trans Tech Publications, Switzerland The Effects of Heat

More information

Material Degradation of Nuclear Structures Mitigation by Nondestructive Evaluation

Material Degradation of Nuclear Structures Mitigation by Nondestructive Evaluation Material Degradation of Nuclear Structures Mitigation by Nondestructive Evaluation 17 MnMoV 6 4 (WB35): Stretched Zone Material Degradation of Nuclear Structures Mitigation by Nondestructive Evaluation

More information

THE EFFECT OF HIGH CYCLE FATIGUE DAMAGE ON TOUGHNESS OF EN8 GRADE STEEL PART II

THE EFFECT OF HIGH CYCLE FATIGUE DAMAGE ON TOUGHNESS OF EN8 GRADE STEEL PART II Int. J. Mech. Eng. & Rob. Res. 2013 P Talukdar et al., 2013 Research Paper ISSN 2278 0149 www.ijmerr.com Vol. 2, No. 2, April 2013 2013 IJMERR. All Rights Reserved THE EFFECT OF HIGH CYCLE FATIGUE DAMAGE

More information

Subject Index. STP909-EB/Aug. 1986

Subject Index. STP909-EB/Aug. 1986 STP909-EB/Aug. 1986 Subject Index A Absorbed specific energy until fracture (ASFE) measurement, 118-123 Accidents (see Loss of coolant accidents; Over-cooling accidents; Reactor pressure vessels) Accelerated

More information

JOINING THE DIFFERENT MATERIALS USING FRICTION WELDING A REVIEW

JOINING THE DIFFERENT MATERIALS USING FRICTION WELDING A REVIEW Int. J. Mech. Eng. & Rob. Res. 2015 S R Divagar and M Muthu Kumaran, 2015 Review Article ISSN 2278 0149 www.ijmerr.com Vol. 4, No. 1, January 2015 2015 IJMERR. All Rights Reserved JOINING THE DIFFERENT

More information

THE ROLE OF Mg ON STRUCTURE ANB MECHANICAL PROPERTIES IN ALLOY 718

THE ROLE OF Mg ON STRUCTURE ANB MECHANICAL PROPERTIES IN ALLOY 718 THE ROLE OF Mg ON STRUCTURE ANB MECHANICAL PROPERTIES IN ALLOY 718 Xishan Xie, Zhichao Xu, Bo Qu and Guoliang Chen University of Science and Technology, Beijing 100083, China John F. Radavich, School of

More information

Analysis of High-Collapse Grade P110 Coupling Failures

Analysis of High-Collapse Grade P110 Coupling Failures Analysis of High-Collapse Grade P110 Coupling Failures Michael G. Burns, P. E., Stress Engineering Services, Inc., Houston, Texas USA W. M. Buehler, Stork Testing and Metallurgical Consulting, Inc., Houston,

More information

Effect of titanium additions to low carbon, low manganese steels on sulphide precipitation

Effect of titanium additions to low carbon, low manganese steels on sulphide precipitation University of Wollongong Thesis Collections University of Wollongong Thesis Collection University of Wollongong Year 2008 Effect of titanium additions to low carbon, low manganese steels on sulphide precipitation

More information

Diffusion bonding of fine grained high carbon steels in the super-plasticity temperature range

Diffusion bonding of fine grained high carbon steels in the super-plasticity temperature range Indian Journal of Engineering & Materials Sciences Vol. 12, August 2006, pp. 362-367 Diffusion bonding of fine grained high carbon steels in the super-plasticity temperature range Mustafa Taşkın*, Nuri

More information

Electron Beam Melted (EBM) Co-Cr-Mo Alloy for Orthopaedic Implant Applications Abstract Introduction The Electron Beam Melting Process

Electron Beam Melted (EBM) Co-Cr-Mo Alloy for Orthopaedic Implant Applications Abstract Introduction The Electron Beam Melting Process Electron Beam Melted (EBM) Co-Cr-Mo Alloy for Orthopaedic Implant Applications R.S. Kircher, A.M. Christensen, K.W. Wurth Medical Modeling, Inc., Golden, CO 80401 Abstract The Electron Beam Melting (EBM)

More information

A TOUGHNESS STUDY OF THE WELD HEAT AFFECTED ZONE OF A MODIFIED 9Cr-1Mo STEEL

A TOUGHNESS STUDY OF THE WELD HEAT AFFECTED ZONE OF A MODIFIED 9Cr-1Mo STEEL ICF100358OR A TOUGHNESS STUDY OF THE WELD HEAT AFFECTED ZONE OF A MODIFIED 9Cr-1Mo STEEL A. Moitra, K. Laha, P.R. Sreenivasan and S. L. Mannan Materials Development Group Indira Gandhi Centre for Atomic

More information

EFFECT OF HEAT TREATMENT ON PROPERTIES OF HOT-WORK TOOL STEEL. Janusz KRAWCZYK, Piotr BAŁA

EFFECT OF HEAT TREATMENT ON PROPERTIES OF HOT-WORK TOOL STEEL. Janusz KRAWCZYK, Piotr BAŁA EFFECT OF HEAT TREATMENT ON PROPERTIES OF HOT-WORK TOOL STEEL Janusz KRAWCZYK, Piotr BAŁA AGH University of Science and Technology Faculty of Metals Engineering and Industrial Computer Science Department

More information

Effects in Ductile Iron

Effects in Ductile Iron Summary of Element Effects in Ductile Iron Rick Gundlach Element Materials Technology Wixom Insert Company Logo Here DIS Annual Meeting, June 7, 2012 Muskegon, Michigan Types of Alloying Elements Substitutional

More information

CRITICAL ASSESSMENT OF THE DEGREE OF TEMPER EMBRITTLEMENT IN 2.25Cr-1Mo STEEL

CRITICAL ASSESSMENT OF THE DEGREE OF TEMPER EMBRITTLEMENT IN 2.25Cr-1Mo STEEL CRITICAL ASSESSMENT OF THE DEGREE OF TEMPER EMBRITTLEMENT IN 2.25Cr-1Mo STEEL M.A. Islam Materials and Metallurgical Engineering Department Bangladesh University of Engineering and Technology, Dhaka-1000,

More information

Reverse Austenite and its Effect on Mechanical Properties. Y. Zhang, Shanghai Iron and Steel Research Institute, China.

Reverse Austenite and its Effect on Mechanical Properties. Y. Zhang, Shanghai Iron and Steel Research Institute, China. 459 Reverse Austenite and its Effect on Mechanical Properties Y. Zhang, Shanghai Iron and Steel Research Institute, China Introduction The phase transformation of an unequilibrium structure during heating

More information

AGING BEHAVIOR IN CO-CR-MO-C ALLOYS

AGING BEHAVIOR IN CO-CR-MO-C ALLOYS AGING BEHAVIOR IN CO-CR-MO-C ALLOYS Alfirano, Anistasia Milandia and Suryana Metallurgical Engineering Department, Sultan Ageng Tirtayasa University, Cilegon, Indonesia E-Mail: alfirano@ft-untirta.ac.id

More information

STRUCTURAL-MECHANICAL PROPERTIES OF V-N MICROALLOYED 34CRMO4 STEEL AFTER CONTROL COOLING PROCESS

STRUCTURAL-MECHANICAL PROPERTIES OF V-N MICROALLOYED 34CRMO4 STEEL AFTER CONTROL COOLING PROCESS STRUCTURAL-MECHANICAL PROPERTIES OF V-N MICROALLOYED 34CRMO4 STEEL AFTER CONTROL COOLING PROCESS Pavel KUČERA a, Eva MAZANCOVÁ a a VŠB Technical University of Ostrava, Faculty of Metallurgy and Materials

More information

Lecture 31-36: Questions:

Lecture 31-36: Questions: Lecture 31-36: Heat treatment of steel: T-T-T diagram, Pearlitic, Martensitic & Bainitic transformation, effect of alloy elements on phase diagram & TTT diagram, CCT diagram, Annealing, normalizing, hardening

More information

Response of Weld Joints in Stainless Steel 304LN Pipe to Low Temperature Sensitization

Response of Weld Joints in Stainless Steel 304LN Pipe to Low Temperature Sensitization Response of Weld Joints in Stainless Steel 304LN Pipe to Low Temperature Sensitization Raghuvir Singh', Gautam Das', Satyarth Suman, and 'National Metallurgical Laboratory, Jamshedpur-831007 P. K. Singh"

More information

ATI 2205 ATI Technical Data Sheet. Duplex Stainless Steel GENERAL PROPERTIES. (UNS S31803 and S32205)

ATI 2205 ATI Technical Data Sheet. Duplex Stainless Steel GENERAL PROPERTIES. (UNS S31803 and S32205) ATI 2205 Duplex Stainless Steel (UNS S31803 and S32205) GENERAL PROPERTIES ATI 2205 alloy (UNS S31803 and/or S32205) is a nitrogen-enhanced duplex stainless steel alloy. The nitrogen serves to significantly

More information

Investigations on the Microstructure and Fracture of Alloyed Austempered Ductile Iron

Investigations on the Microstructure and Fracture of Alloyed Austempered Ductile Iron Investigations on the Microstructure and Fracture of Alloyed Austempered Ductile Iron Olivera Eric 1, Slavica Zec 1, Dragan Rajnovic 2, Leposava Sidjanin 2, Milan T. Jovanovic 1 1 Institute of Nuclear

More information

OPTIMIZATION OF PROPERTIES AND STRUCTURE WITH ADDITION OF TITANIUM IN HADFIELD STEELS Mohammad Bagher Limooei (1), Shabnam Hosseini (1)

OPTIMIZATION OF PROPERTIES AND STRUCTURE WITH ADDITION OF TITANIUM IN HADFIELD STEELS Mohammad Bagher Limooei (1), Shabnam Hosseini (1) Abstract OPTIMIZATION OF PROPERTIES AND STRUCTURE WITH ADDITION OF TITANIUM IN HADFIELD STEELS Mohammad Bagher Limooei (1), Shabnam Hosseini (1) 1- Islamic Azad University, Ayatollah Amoli Branch sh_hosseini@yahoo.com,

More information

The Effect of Dissolved Oxygen on Stress Corrosion Cracking of 310S in SCW

The Effect of Dissolved Oxygen on Stress Corrosion Cracking of 310S in SCW CNNC NPIC The Effect of Dissolved Oxygen on Stress Corrosion Cracking of 310S in SCW Liu Jinhua Bin Gong Outline 1 Introduction 2 Experimental 3 Results and Discussion 4 Conclusions 5 Future Work 2016/10/28

More information

AN INVESTIGATION ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF QUENCHED AND TEMPERED SS440C MARTENSITIC STAINLESS STEEL

AN INVESTIGATION ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF QUENCHED AND TEMPERED SS440C MARTENSITIC STAINLESS STEEL International Journal of Mechanical and Materials Engineering (IJMME), Vol. 7 (2012), No. 2, 119 123. AN INVESTIGATION ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF QUENCHED AND TEMPERED SS440C MARTENSITIC

More information

High performance application of modern bainitic steels

High performance application of modern bainitic steels High performance application of modern bainitic steels Author : Paul Hill Date : 16 th May 2012 2012 Rolls-Royce plc The information in this document is the property of Rolls-Royce plc and may not be copied

More information

4.0 Alloying Elements and Microstructural Phases

4.0 Alloying Elements and Microstructural Phases 4.0 Alloying Elements and Microstructural Phases There is a direct link between microstructure and properties and if the microstructure is altered by heat treatment, fabrication or composition then the

More information

Effect of Vanadium on Subcritical Heat Treatment Behavior of Hypoeutectic 16 wt% Cr Cast Iron containing 2 wt% Mo

Effect of Vanadium on Subcritical Heat Treatment Behavior of Hypoeutectic 16 wt% Cr Cast Iron containing 2 wt% Mo Journal of Metals, Materials and Minerals, Vol.21 No.2 pp.13-18, 2011 Effect of Vanadium on Subcritical Heat Treatment Behavior of Hypoeutectic 16 wt% Cr Cast Iron containing 2 wt% Mo Rugauksorn JUNSAMOOT

More information

Improvement of Mechanical Properties of 7475 Based Aluminum Alloy Sheets by Controlled Warm Rolling

Improvement of Mechanical Properties of 7475 Based Aluminum Alloy Sheets by Controlled Warm Rolling Materials Transactions, Vol. 45, No. 1 (24) pp. 69 to 74 #24 The Japan Institute of Light Metals Improvement of Mechanical Properties of 7475 Based Aluminum Alloy Sheets by Controlled Warm Rolling Hiroki

More information

Maximizing Hardness and Toughness in 8620 Steel. Emily Anderson, Rachel Freer, Josh Kubiak, Allison Perna, Katie Sullivan

Maximizing Hardness and Toughness in 8620 Steel. Emily Anderson, Rachel Freer, Josh Kubiak, Allison Perna, Katie Sullivan Maximizing Hardness and Toughness in 8620 Steel Emily Anderson, Rachel Freer, Josh Kubiak, Allison Perna, Katie Sullivan 1 Introduction Totten, G., Funatani, K., Xie, L. Handbook of Metallurgical Process

More information

Fatigue Crack Growth Behavior of Austempered AISI 4140 Steel with Dissolved Hydrogen

Fatigue Crack Growth Behavior of Austempered AISI 4140 Steel with Dissolved Hydrogen metals Article Fatigue Crack Growth Behavior Austempered AISI Steel with Dissolved Hydrogen Varun Ramasagara Nagarajan 1, Susil K. Putatunda 1, * James Boileau 2 1 Department Chemical Engeerg Materials

More information

THE EFFECT OF FINAL SURFACE TREATMENT OF 34CrMo4 STEEL ON RESISTANCE TO SULPHIDE STRESS CRACKING (SSC)

THE EFFECT OF FINAL SURFACE TREATMENT OF 34CrMo4 STEEL ON RESISTANCE TO SULPHIDE STRESS CRACKING (SSC) THE EFFECT OF FINAL SURFACE TREATMENT OF 3CrMo STEEL ON RESISTANCE TO SULPHIDE STRESS CRACKING (SSC) Pavel KUČERA a, Anastasia MASLOVA a, Eva MAZANCOVÁ a a VŠB Technical University of Ostrava, Faculty

More information

BRITTLENESS OF STRUCTURAL PM STEELS ADMIXED WITH MANGANESE STUDIED BY ADVANCED ELECTRON MICROSCOPY AND SPECTROSCOPY

BRITTLENESS OF STRUCTURAL PM STEELS ADMIXED WITH MANGANESE STUDIED BY ADVANCED ELECTRON MICROSCOPY AND SPECTROSCOPY Powder Metallurgy Progress, Vol.8 (2008), No 2 109 BRITTLENESS OF STRUCTURAL PM STEELS ADMIXED WITH MANGANESE STUDIED BY ADVANCED ELECTRON MICROSCOPY AND SPECTROSCOPY E. Hryha, L. Nyborg, E. Dudrová, S.

More information

Phase Transformations in Metals Tuesday, December 24, 2013 Dr. Mohammad Suliman Abuhaiba, PE 1

Phase Transformations in Metals Tuesday, December 24, 2013 Dr. Mohammad Suliman Abuhaiba, PE 1 Ferrite - BCC Martensite - BCT Fe 3 C (cementite)- orthorhombic Austenite - FCC Chapter 10 Phase Transformations in Metals Tuesday, December 24, 2013 Dr. Mohammad Suliman Abuhaiba, PE 1 Why do we study

More information

An Assessment of Mechanical Properties of Medium Carbon Steel under Different Quenching Media

An Assessment of Mechanical Properties of Medium Carbon Steel under Different Quenching Media An Assessment of Mechanical Properties of Medium Carbon Steel under Different Quenching Media M. B. Ndaliman Department of Mechanical Engineering, Federal University of Technology Minna, Nigeria Abstract

More information

ATI ATI 2205 Alloy (UNS S31803 and S32205) Duplex Stainless Steel. Technical Data Sheet

ATI ATI 2205 Alloy (UNS S31803 and S32205) Duplex Stainless Steel. Technical Data Sheet Alloy (UNS S31803 and S32205) Duplex Stainless Steel GENERAL PROPERTIES alloy (UNS S31803 and/or S32205) is a nitrogenenhanced duplex stainless steel alloy. The nitrogen serves to significantly improve

More information

Global Journal of Engineering Science and Research Management

Global Journal of Engineering Science and Research Management DIFFUSION BONDING OF AL ALLOY USING DIFFERENT IINTERLAYERS Assist. Prof. Dr. Ahmed A. Akbar*, Samer K. Khaleel * Asst. Prof. Dr. at University of Technology, Production Engineering and Metallurgy, Iraq

More information

LASER BEAM WELDING OF QUENCHED AND TEMPERED ASTM A 517 GR.B STEEL

LASER BEAM WELDING OF QUENCHED AND TEMPERED ASTM A 517 GR.B STEEL LASER BEAM WELDING OF QUENCHED AND TEMPERED ASTM A 517 GR.B STEEL S. Missori*, G.Costanza*, E. Tata*, A. Sili** *University of Roma-Tor Vergata, ** University of Messina ABSTRACT Quenched and tempered

More information

Low-Carbon, Cu-Precipitation-Strengthened Steel

Low-Carbon, Cu-Precipitation-Strengthened Steel Low-Carbon, Cu-Precipitation-Strengthened Steel Dr. Semyon Vaynman, Dr. Morris E. Fine, Dr. Yip-Wah Chung, Northwestern University, Department of Materials Science and Engineering, Evanston, IL 628 Phone

More information

Effect of Thermomechanical Processing on the Microstructure and Properties of a Low Carbon Copper Bearing Steel

Effect of Thermomechanical Processing on the Microstructure and Properties of a Low Carbon Copper Bearing Steel , pp. 257 261 Effect of Thermomechanical Processing on the Microstructure and Properties of a Low Carbon Copper Bearing Steel M. K. BANERJEE, P. S. BANERJEE and S. DATTA Department of Metallurgy, B. E.

More information

Schematic representation of the development of microstructure. during the equilibrium solidification of a 35 wt% Ni-65 wt% Cu alloy

Schematic representation of the development of microstructure. during the equilibrium solidification of a 35 wt% Ni-65 wt% Cu alloy Schematic representation of the development of microstructure during the equilibrium solidification of a 35 wt% Ni-65 wt% Cu alloy At 1300 ºC (point a) the alloy is in the liquid condition This continues

More information

Chapter 9 Heat treatment (This chapter covers selective sections in Callister Chap. 9, 10 &11)

Chapter 9 Heat treatment (This chapter covers selective sections in Callister Chap. 9, 10 &11) Chapter 9 Heat treatment (This chapter covers selective sections in Callister Chap. 9, 10 &11) Study theme outcomes: After studying this chapter, students should or should be able to: - know and understand

More information

J = D C A C B x A x B + D C A C. = x A kg /m 2

J = D C A C B x A x B + D C A C. = x A kg /m 2 1. (a) Compare interstitial and vacancy atomic mechanisms for diffusion. (b) Cite two reasons why interstitial diffusion is normally more rapid than vacancy diffusion. (a) With vacancy diffusion, atomic

More information

3. A copper-nickel diffusion couple similar to that shown in Figure 5.1a is fashioned. After a 700-h heat treatment at 1100 C (1373 K) the

3. A copper-nickel diffusion couple similar to that shown in Figure 5.1a is fashioned. After a 700-h heat treatment at 1100 C (1373 K) the ENT 145 Tutorial 3 1. A sheet of steel 1.8 mm thick has nitrogen atmospheres on both sides at 1200 C and is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen

More information

An Investigation of Microstructural Change of Low Alloy Steel AISI 4150 by Seebeck Coefficient

An Investigation of Microstructural Change of Low Alloy Steel AISI 4150 by Seebeck Coefficient Journal of Metals, Materials and Minerals, Vol.0 No.1 pp.1-6, 010 An Investigation of Microstructural Change of Low Alloy Steel AISI 4150 by Seebeck Coefficient Teerapong SAMRAN 1 and Preecha TERMSUKSAWAD

More information

Influence of rapid cooling rates for HIP on mechanical and corrosion properties of UNS S32205

Influence of rapid cooling rates for HIP on mechanical and corrosion properties of UNS S32205 Influence of rapid cooling rates for HIP on mechanical and corrosion properties of UNS S32205 Arnulf Hörtnagl 1, Paul Gümpel 1, Michael Hamentgen², Beat Hofer³ Institute for Materials System Technology

More information

EFFECT OF THE SECOND PHASE ON HYDROGEN EMBRITTLEMENT OF IRON ALLOYS

EFFECT OF THE SECOND PHASE ON HYDROGEN EMBRITTLEMENT OF IRON ALLOYS EFFECT OF THE SECOND PHASE ON HYDROGEN EMBRITTLEMENT OF IRON ALLOYS E. Lunarska*, A. Gachechiladze**, A. Mikeladze**, M. Moeser*** * Institute of Physical Chemistry, 01-223 Warsaw, Poland ** Institute

More information

Development of Super-9%Ni Steel Plates with Superior Low-Temperature Toughness for LNG Storage Tanks

Development of Super-9%Ni Steel Plates with Superior Low-Temperature Toughness for LNG Storage Tanks UDC 669. 15 24 : 669. 14. 018. 41 : 662. 767-404 Development of Super-9%Ni Steel Plates with Superior Low-Temperature Toughness for LNG Storage Tanks Manabu HOSHINO* 1 Naoki SAITOH* 1 Hirohide MURAOKA*

More information

F. Chagnon and Y. Trudel. Quebec Metal Powders Limited

F. Chagnon and Y. Trudel. Quebec Metal Powders Limited EFFECT OF DENSITY ON MECHANICAL PROPERTIES OF SINTER HARDENED P/M MATERIALS by F. Chagnon and Y. Trudel Quebec Metal Powders Limited Paper presented at the 1998 International Conference on Powder Metallurgy

More information

EXPERIMENT 6 HEAT TREATMENT OF STEEL

EXPERIMENT 6 HEAT TREATMENT OF STEEL EXPERIMENT 6 HEAT TREATMENT OF STEEL Purpose The purposes of this experiment are to: Investigate the processes of heat treating of steel Study hardness testing and its limits Examine microstructures of

More information

Metallographic Atlas for 2.25Cr-1Mo Steels and Degradation due to Long-term Service at the Elevated Temperatures

Metallographic Atlas for 2.25Cr-1Mo Steels and Degradation due to Long-term Service at the Elevated Temperatures ECCC Creep Conference, 12 14 September 2005, London. etd@etd1.co.uk Metallographic Atlas for 2.25Cr-1Mo Steels and Degradation due to Long-term Service at the Elevated Temperatures Hideaki Kushima, Takashi

More information

Effect of Heat Treatment on Microstructure and Mechanical Properties of Medium Carbon Steel

Effect of Heat Treatment on Microstructure and Mechanical Properties of Medium Carbon Steel International Journal of Engineering Research and Development ISSN: 2278-067X, Volume 2, Issue 1 (July 2012), PP. 07-13 www.ijerd.com Effect of Heat Treatment on Microstructure and Mechanical Properties

More information