Mullite Preparation from Kaolin Residue. Química - Aprígio Veloso, 820 CEP Campina Grande, PB, Brasil.
|
|
- Victoria Hill
- 6 years ago
- Views:
Transcription
1 ullite Preparation from Kaolin Residue.I.Brasileiro 1 ;D.H.S.Oliveira 2 ;H.L.Lira 3 ;L.N.L.Santana 3 ;G..Neves 3 ;.P.Novaes 4 J.. Sasak 5 1 Universidade Federal de ampina Grande, UFG/DEQ PB, Departamento de Engenharia Química - prígio Veloso, 820 EP ampina Grande, PB, Brasil. 2 UFG/DEa/PIBI/NPq Departamento de Engenharia de ateriais, PB, Brasil. 3 UFG/DEa - Departamento de Engenharia de ateriais, PB, Brasil. 4 SENI Tmat/riciúma S, Brasil. 5 UF Universidade Federal do eará, E, Brasil. Keywords: kaolin waste; alumina; ball-clay; mullite; sintering. bstract: In the process of kaolin improvement to types of residue are generated and dispose in the environment. The first residue, about 70%wt, generated from the washing of the kaolin and the second generated residue from the improvement in sieve 200 mesh (0.074mm), of the remaining of the washed kaolin 30%. These residues can present excellent qualities to be used as raw materials rich in kaolinite. Kaolinite when is submitted to heat give two stable phases: mullite and crystobalite. The properties of mullite, such as, low thermal expansion, low dielectric constant and high mechanical resistance, make this material as a good candidate to be applied in electronic products and in structural high temperature uses. In this work, compositions with residue from kaolin, alumina and ball-clay were studied to obtain mullite. The compositions were established starting from proportion between silica and alumina to obtain mullite (2SiO 2.3l 2 O 3 ). The samples were made by pressing processing with 27 Pa and sintering at temperatures of 1350 and 1500, with heating rate of 10 /min. Through the results from chemical analysis of the formulated masses, it can be verified that the proportions of the oxides were close to the stoichiometric of the mullite and that the sintering, at studied temperatures, give the formation of mullite, and confirmed by the DRX analysis. The preliminary results showed that the compositions with low alumina content and submitted to a high temperatures, presented the best results. Introduction ullite is a unique thermodynamically stable phase in the binary system l 2 O 3 -SiO 2 [1] and due to its excellent properties, such as, creep resistance at high temperature, chemical stability, low dielectric coefficient and low thermal expansion has called attention from several researchers [2,3]. s a mineral, mullite is rare in the nature [4] and the reserves are not sufficient to supply the crescent new applications. This is the reason for several researchers looking for process to obtain mullite from l 2 O 3 -SiO 2 or from some minerals that contain l 2 O 3 and SiO 2 in their compositions [1]. n alternative material is study through calcination of a mix of kaolin residue, alumina and ball-clay, in an appropriate proportion of the oxides, taking in account the amount of SiO 2 and l 2 O 3 to obtain mullite. In the improvement of primary kaolin two types of residue are disposed in the environment. The first one, with 70%wt, are generated during the washing of the raw kaolin and the second, with 30%wt, are produced during the sieve process in a mesh 200 (0.074mm).
2 The aim of this study is to obtain mullite from the residue produced by kaolin industry, alumina and ball-clay and to characterize by physical and mechanical properties of the produced mullite. aterials and ethod aterials: In this work it was used a residue from primary kaolin industry supplied by aulisa Industria S/, a clay provided by rmil inerios Ltda. and calcined alumina S4G, supplied by lcan. Treatment and characterization of the raw materials: The residue and ball-clay were dried at 110º for 24 hours, until constant weight and passed in a sieve 200 mesh to submitted to chemical analysis and X-ray diffraction, using a Siemens/Brucker-XS, with ukα radiation. Formulation and characterization of the masses: The masses formulations were set up taking in account the silica and alumina content of the raw materials. The compositions were submitted to a sieve 100mesh (0.150mm) and characterized by XRD analysis and particle size by laser. Processing and characterization of the specimens: The masses were mixed with ethylic alcohol and dry at room temperature. fter dry the lumps were crushed and passed through a sieve with 100 mesh. Powder compacts were formed by uniaxially pressing at 27 Pa. The final dimension of green compacts was 6.0x2.0x0.5cm 3. The compacts were then sintered in an electrical oven at various temperatures from 1350 o to 1500 o for 1 h in air. The heating rate was 10 o /min. fter sintering the specimens were submitted to measurement of the following properties: porosity, linear shrinkage, water absorption, apparent density and flexural rupture strength. The flexural strength of specimens was determined by the three-point bending technique, at a loading rate of 0.5 mm/min. The result is the average of five specimens. Results and Discussion The Table 1 present the chemical composition of the raw materials. From Table 1 it can be observed that the residue contain basically silica (57.11%) and alumina (40.67%), also ballclay, with 66.14% of silica and 32.00% of alumina. ccording to hen at al [5], the reaction, 2SiO 2 + l 2 O 3 + 2H 2 O + 2 l 2 O 3 3 l 2 O 3 +2SiO H 2 O, is observed during the firing of kaolin+alumina. By this reaction it can assume that SiO 2 from kaolin can react completely with alumina to produce mullite and in the case of the residue it is necessary an excess of alumina to reach with all the silica. Table 1 hemical composition of the raw materials. Raw materials % SiO 2 % l 2 O 3 % Fe 2 O 3 % Na 2 O % K 2 O Kaolin residue Ball- clay lumina The Table 2 presents the compositions studied in this work. The Table 3 presents the results for particle size distribution of the powders for each composition. From of the Table 3, it can observed that particle size distribution is very similar for the compositions I and II. The compositions III and present particle size lower than for the compositions I and II, this is due to the ball-clay with a high content of particle size lower than 2µm.
3 Table 2 ompositions of the specimens (% wt) ompositions Kaolin Residue Ball clay lumina I II III Table 3 Particle size (µm) for different composition omposition 10% of 50% of 90% of 100% of I II III Table 4 present the chemical compositions of the formulated masses. It can be observed a high content of silica and alumina that is excellent to obtain mullite. Table 4 hemical composition (%) of the formulated pastes Specimens SiO 2 l 2 O 3 Fe 2 O 3 Na 2 O K 2 O TiO 2 L.O.* omposition I omposition II omposition III omposition *L.O.- Loss of ignition Figures 1, 2, 3, and 4 present the XDR patterns of the compositions (I, II, III e ) fired at different temperatures. omposition II - ullite omposition I - ullite - ristoballite lumina - lumina - ristoballite Q Q Fig.1: The DRX patterns of the composition I for different temperature. Fig.2: The DRX patterns of the composition II for different temperature.
4 omposition III 1000 Q ullite - ristoballite - lumina Fig.3: The DRX patterns of the composition III for different temperature. omposition - ullite Q ristoballite - lumina Fig.4: The DRX patterns of the composition for different temperature From the results of phase analysis the mullite formation begins as the sintering temperature is above 1350 o and indicates that the compositions sintered at temperature of 1350 o are composed of: mullite, cristobalite, quartz and alumina. With increase of temperature it can be observed an increase of the mullite phase and vanishing of cristobalite and alumina. ccording to Ebadzadeh et al [2], the amount of silica in the vitreous phase can react with alumina to produce mullite [5]. ccording to Liu et al [6] mullite produced at 1200 o is called as primary mullite and above 1300 o secondary mullite is formed. n increase in temperature to 1500 o it can be observed the formation of mullite as unique crystalline phase. Tables 5, 6, 7 and 8 show the amounts of the silica, alumina and mullite as crystalline phases present for each composition and sintering temperature. Table 5 The amount of the crystalline phases for the composition I. Temperature SiO 2 l 2 O 3 ullite Table 7 The amount of the crystalline phases for the composition III. Temperature SiO 2 l 2 O 3 ullite Table 6 The amount of the crystalline phases for the composition II. Temperature SiO 2 l 2 O 3 ullite Table 8 The amount of the crystalline phases for the composition. Temperature SiO 2 l 2 O 3 ullite
5 It can be observed that in all composition that the amount of mullite phase increase rapidly with sintering temperature from 1350 o to 1500 o. ccording to hen et al [5] the amount of mullite increases quickly and the reduction of alumina occurs instantaneously in the range of 1300 o to 1500 o. In this range of temperature secondary mullite is produced by dissolution of alumina combined with silica and precipitation of mullite grain. The composition II present amount of mullite inferior compared to the others and this is due to the small content of silica from raw materials that is not enough to reach with residual alumina to form mullite and this affect the physical and mechanical properties of the specimens. On the other hand, the compositions with greater amount of silica (I, III and ) present high content of mullite and also better physical and mechanical properties, as can be seen in Table 9. Table 9 Physical properties of the specimens omposition Temperature W* (%) LS* (%) P* (%) D* (g/cm 3 ) I 7.2 ± ± ± ±0.24 II 8.98± ± ± ± III 6.91± ± ± ± ± ± ± ±0.04 omposition W (%) LS (%) P (%) D (g/cm3) I 4.58± ± ± ±0.07 II ± ± ± ±0.01 III 4.79± ± ± ± ± ± ± ±0.01 omposition W (%) LS (%) P (%) D (g/cm3) I 3.75± ± ± ±0.02 II ± ± ± ±0.01 III 3.82± ± ± ± ± ± ± ±0.03 omposition W (%) LS (%) P (%) D (g/cm3) I 3.29± ± ± ±0.05 II ± ± ± ±0.06 III 3.41± ± ± ± ± ± ± ±0.04 *W Water bsorption; *LS Linear Shrinkage; *P pparent Porosity; *D pparent Density. The apparent density does not show significant difference in relation to the compositions and sintering temperature. ccording to hen et al [5] the densification in this range of temperature (1300 o o ) is relatively low and suggests the formation of secondary mullite produced from the reaction between vitreous phase and alumina. The composition present best results in terms of physical and mechanical properties and this is due to the presence of ball-clay to produce a good plasticity in the paste and give an excellent green density of the specimens. The increase in the sintering temperature give an increase of the amount of mullite and confer an improve of the properties. Figure 5 show the mechanical behavior of the specimens and the compositions I, III and present superior properties when compared with composition II. ccording to Ebadzadeh [2] the factors that affect the mechanical resistance is the high porosity and the big size of the mullite grain. lso the reduction of mechanical resistance can be attributed to the transformation of
6 Fe 2 O 3 (hematite) to Fe 3 O 4 (magnetite) with release of oxygen that form pore and act as defect in the sintered specimens. omposição 1 omposição 2 65 omposição 3 omposição PF (Pa) Temperature ( ) Fig.5: echanical behavior for different compositions versus sintering temperatures. onclusions The study of the kaolin residue, ball-clay and alumina to obtain mullite can give the following conclusions: 1. The raw materials (kaolin residue, ball-call and alumina) show content of SiO 2 and l 2 O 3 suitable to produce mullite. 2. ullite is produced with success after sintering reaction between kaolin residue, alumina and ball-clay. 3. The proof bodies made with the composition II, which presented small silica content, resulted in low properties physical-mechanics to the others for all of the temperatures; 4. The increase in the sintering temperature favored an improvement in the properties of the studied compositions; 5. The composition, with larger tenor of clay ball-clay, presented the best results, for this to have provided a better compacting and consequently the improvement of the properties. cknowledgement The authors gratefully acknowledge financial support provided by NPq. References [1] onteiro, R.R.; Sabioni,..S.; da osta, G..,Revista cerâmica 50 (2004) pp [2] Ebadzadeh, T., aterials Science and Engineering 355 (2003), pp [3] Rachida, E.Q.; Sophie, G.; Bernard, D.; zzeddine, S.;Lahcen, R.; Redouane,., J. m. eram. Soc. 25 (2005) pp [4] Goski, D.G.; aley, W.F., anadian etallurgical Quartely 38, 2(1999) pp.119. [5] hen,. Y.,Tuan, W. H.,Lan, W.H., Journal of the European eramic Society 20 (2000). [6] Liu, K.., Thomas, G., J. m. eram. Soc. 77 (6) (1994) p
Mullite from clay reactive alumina for insulating substrate application
Applied Clay Science 25 (2004) 29 35 www.elsevier.com/locate/clay Mullite from clay reactive alumina for insulating substrate application V. Viswabaskaran a,1, F.D. Gnanam a,2, M. Balasubramanian b, *
More informationMicrostructural evolution of mullite during the sintering of kaolin powder compacts
Ceramics International 26 (2000) 715±720 Microstructural evolution of mullite during the sintering of kaolin powder compacts C.Y. Chen, G.S. Lan, W.H. Tuan * Institute of Materials Science and Engineering,
More informationEFFECT OF CALCINATION TEMPERATURE ON KAOLINITE FOR MULLITISATION OF KAOLINITE AND ALUMINA MIXTURE
EFFECT OF CALCINATION TEMPERATURE ON KAOLINITE FOR MULLITISATION OF KAOLINITE AND ALUMINA MIXTURE A THESIS SUBMITTED BY Abinash Lenka In Partial Fulfillment of the Requirement For the degree of BACHELOR
More informationEFFECTS OF LIGHTWEIGHT MULLITE-SILICA RICH GLASS COMPOSITE AGGREGATES ON PROPERTIES OF CASTABLES
Original papers EFFECTS OF LIGHTWEIGHT MULLITE-SILICA RICH GLASS COMPOSITE AGGREGATES ON PROPERTIES OF CASTABLES YUANYUAN LI, # NAN LI, WEN YAN The Key State Laboratory Breeding Base of Refractories and
More informationApplication of Drilling Mud Waste as Raw Material In Building Brick Making
International journal of scientific and technical research in engineering (IJSTRE) www.ijstre.com Volume 2 Issue 3 ǁ March 2017. Application of Drilling Mud Waste as Raw Material In Building Brick Making
More informationCalcined and Reactive Aluminas for Refractories
European Regional Product Data Calcined and Reactive Aluminas for Refractories Think alumina, think Almatis. RP-EU/RCP/007/R08/0812/MSDS 387/1000 Calcined Aluminas for Refractories unground CT 19 CT 800
More informationAN INSIGHT INTO THE PYROPLASTICITY OF PORCELAIN STONEWARE TILES
AN INSIGHT INTO THE PYROPLASTICITY OF PORCELAIN STONEWARE TILES Fábio G. Melchiades (1), Anselmo O. Boschi (1), Lisandra R. dos Santos (1), Michele Dondi (2), Chiara Zanelli (2), Mariano Paganelli (3),
More informationINCORPORATION OF ALUMINUM-RICH SALT SALG IN BAUXITIC-TYPE REFRACTORIES. 193 Aveiro, Portugal
INCORPORATION OF ALUMINUM-RICH SALT SALG IN BAUXITIC-TYPE REFRACTORIES D.A. Pereira 1, J.A. Labrincha 2 1 Mechanical Engineering Dept., ISEP, 4200 Porto, Portugal 2 Ceramics and Glass Engineering Dept.,
More informationPORCELAIN TILES BY THE DRY ROUTE
PORCELAIN TILES BY THE DRY ROUTE (1,) F. G. Melchiades, (1) M. T. Daros, (1,) A. O. Boschi (1) Laboratório de Revestimentos Cerâmicos - LaRC Departamento de Engenharia de Materiais - DEMa Universidade
More informationMECHANICAL PROPERTIES AND MICROSTRUCTURE OF FAST FIRED CLINKER TILES BASED ON WIERZBKA I RAW MATERIAL
DOI: 10.1515/adms 2016 0002 M. Gajek 1, A. Rapacz-Kmita 1, M. Dudek 2, J. Partyka 1 1 AGH University of Science and Technology, Faculty of Material Science and Ceramics, Department of Ceramics and Refractories,
More informationSTUDY OF POROSITY IN PORCELAIN TILE BODIES
STUDY OF POROSITY IN PORCELAIN TILE BODIES C. Gil (1), M.C. Peiró (1), J. J. Gómez (2), L. Chiva (2), E. Cerisuelo (3), J.B. Carda (1) (1) Department of Inorganic and Organic Chemistry, ESTCE, Universitat
More informationMicrowave dielectric properties and microstructures of MgTa 2 O 6 ceramics with CuO addition
Materials Chemistry and Physics 90 (2005) 373 377 Microwave dielectric properties and microstructures of MgTa 2 O 6 ceramics with CuO addition Cheng-Liang Huang a,, Kuo-Hau Chiang a, Chi-Yuen Huang b a
More informationEffect of Nano-Sized Fe 2 O 3 on Microstructure and Hydration Resistance of MgO-CaO Refractories
Int. J. Nanosci. Nanotechnol., Vol. 12, No. 1, March. 2016, pp. 19-26 Effect of Nano-Sized Fe 2 O 3 on Microstructure and Hydration Resistance of MgO-CaO Refractories S. G. Kahrizsangi*, A. Nemati, A.
More informationREFRACTORIES. Definition Classification Properties Manufacture of refractory bricks Properties and applications of Refractory bricks
Topics REFRACTORIES Definition Classification Properties Manufacture of refractory bricks Properties and applications of Refractory bricks Definition Substances which can with stand high temperature without
More informationMineral Solutions for Technical Ceramics
Mineral Solutions for Technical Ceramics Imerys Ceramics, your partner for performing Technical Ceramic solutions Imerys Ceramics uses its unrivalled product portfolio, commercial and technical expertise
More informationEffect of MgO, Y 2 O 3 and boehmite additives on the sintering behaviour of mullite formed from kaolinite-reactive alumina
Journal of Materials Processing Technology 142 (2003) 275 281 Effect of MgO, Y 2 O 3 and boehmite additives on the sintering behaviour of mullite formed from kaolinite-reactive alumina V. Viswabaskaran
More informationDevelopment of Low Clay Whiteware Bodies
Development of Low Clay Whiteware Bodies A THESIS IN THE PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF BACHELOR OF TECHNOLOGY BY ARUN SAWAIYAN ROLL NO : 111CR0110 Under the Guidance of: Prof.
More informationTHE INFLUENCE OF CEMENT DOSAGE ON THE QUALITY PERFORMANCES OF SPECIAL REFRACTORY CONCRETES
THE INFLUENCE OF CEMENT DOSAGE ON THE QUALITY PERFORMANCES OF SPECIAL REFRACTORY CONCRETES Nicolae ANGELESCU, Cristina IONIŢĂ VALAHIA University of Targoviste, # 2, Carol I Blvd., Code 130024, Targoviste,
More informationSINTERING MECHANISMS OF PORCELAIN STONEWARE TILES
SINTERING MECHANISMS OF PORCELAIN STONEWARE TILES M. Dondi*, M. Raimondo, C. Zanelli, CNR-ISTEC, Institute of Science and Technology for Ceramics, Faenza (Italy); P.M. Tenorio Cavalcante, COPPE-UFRJ, Rio
More informationCERAMIC MATERIALS I. Asst. Prof. Dr. Ayşe KALEMTAŞ. Office Hours: Thursday, 09:30-10:30 am.
CERAMIC MATERIALS I Office Hours: Thursday, 09:30-10:30 am. akalemtas@mu.edu.tr, akalemtas@gmail.com, Phone: 211 19 17 Metallurgical and Materials Engineering Department CLASSIFICATION OF CERAMICS Ceramic
More informationCERAMIC PROPERTIES OF PUGU KAOLIN CLAYS. PART I: POROSITY AND MODULUS OF RUPTURE. Leonard D. Akwilapo 1* and Kjell Wiik 2.
, 147-154. ISSN 1011-3924 Printed in Ethiopia 2003 Chemical Society of Ethiopia CERAMIC PROPERTIES OF PUGU KAOLIN CLAYS. PART I: POROSITY AND MODULUS OF RUPTURE Leonard D. Akwilapo 1* and Kjell Wiik 2
More informationComparative Analysis of Ceramic Product Manufactured from Traditional Raw Materials and Local Raw Materials in Bangladesh
Engineering International, Volume 4, No 1(2016) ISSN 2409-3629 Comparative Analysis of Ceramic Product Manufactured from Traditional Raw Materials and Local Raw Materials in Bangladesh Abdullah Al Mahmood
More informationSynthesis of silicon carbide from coal fly ash and activated carbon powder
Material Science Research India Vol. 6(2), 251-256 (2009) Synthesis of silicon carbide from coal fly ash and activated carbon powder SULARDJAKA¹, JAMASRI¹, M.W. WILDAN¹ and KUSNANTO² ¹Department of Mechanical
More informationDEVELOPMENT AND PRODUCTION OF CERAMIC TILES FROM WASTE BOTTLE POWDER (MILLED GLASS)
ORIGINAL RESEARCH ARTICLE OPEN ACCESS DEVELOPMENT AND PRODUCTION OF CERAMIC TILES FROM WASTE BOTTLE POWDER (MILLED GLASS) Elakhame Z. U.*, Ifebhor F., Asotah W. A. Federal Institute of Industrial Research,
More informationPREPARATION OF GEOPOLYMER USING FLY ASH AND RICE HUSK SILICA AS RAW MATERIALS
18 TH INTERNATIONAL CONFERENCE ON COMPOSITE MATERIALS PREPARATION OF GEOPOLYMER USING FLY ASH AND RICE HUSK SILICA AS RAW MATERIALS P. Chaiyapoom 1,2, S. Jiemsirilers 1,2*, S. Wada 1,2, K. Hemra 3, P.
More informationEffect of physical and chemical modification on surface area of lowgrade
IOP Conference Series: Earth and Environmental Science PAPER OPEN ACCESS Effect of physical and chemical modification on surface area of lowgrade bauxite To cite this article: E Kusrini et al 2018 IOP
More informationStudy On Application Of Alumina In High-Purity Andalusite Based Refractory
Journal of Minerals & Materials Characterization & Engineering, Vol. 3, No.2, pp 81-89, 2004 jmmce.org Printed in the USA. All rights reserved Study On Application Of Alumina In High-Purity Andalusite
More informationCHAPTER-6: SUMMARY AND CONCLUSIONS
CHAPTER-6: SUMMARY AND CONCLUSIONS 190 6. SUMMARY AND CONCLUSIONS 6.1 Summary of laboratory test work Based on the entire laboratory test work, findings are summarized as following; 6.1.1 Characterization
More informationEffect of Sintering Temperature on the Properties and Microstructure of a Ceramic Product
Material Science Research India Vol. 8(2), 321-325 (2011) Effect of Sintering Temperature on the Properties and Microstructure of a Ceramic Product R. VIJAYARAGAVAN* and S. MULLAINATHAN *Department of
More informationMULLITE AND OTHER ALUMINO- SILICATE REFRACTORIES VIS-À-VIS ALUMINA - SILICA (AL2O3 - SIO2) BINARY PHASE DIAGRAM
MULLITE AND OTHER ALUMINO- SILICATE REFRACTORIES VIS-À-VIS ALUMINA - SILICA (AL2O3 - SIO2) BINARY PHASE DIAGRAM Alumino-Silicate Refractories Aluminosilicate or Alumino-Silicate minerals are the naturally
More informationEffect of MgO addition on the mechanical and thermal properties of mullite synthesised through reaction sintering of Al 2 O 3 and Algerian kaolin
American Journal of Modern Physics 2013; 2(5): 270-275 Published online September 20, 2013 (http://www.sciencepublishinggroup.com/j/ajmp) doi: 10.11648/j.ajmp.20130205.16 Effect of MgO addition on the
More informationDYNAMIC FRAGMENTATION OF ALUMINA WITH ADDITIONS OF NIOBIA AND SILICA UNDER IMPACT
XXXX TB40 19th International Symposium of Ballistics, 7 11 May 2001, Interlaken, Switzerland DYNAMIC FRAGMENTATION OF ALUMINA WITH ADDITIONS OF NIOBIA AND SILICA UNDER IMPACT L.H.L. Louro1, A.V. Gomes1,
More informationLoss On Ignition measurement for oxidizable iron ores with C / H analyzer
Progress in Analytical Chemistry & Materials characterisation in the Steel and Metals Industries 19-21/05/2015 2015 Loss On Ignition measurement for oxidizable iron ores with C / H analyzer L. DAHERON
More informationInfluence of Rice Husk Ash and Fly Ash on Properties of Red Clay
Available Online Publications J. Sci. Res. 6 (3), 421-430 (2014) JOURNAL OF SCIENTIFIC RESEARCH www.banglajol.info/index.php/jsr Influence of Rice Husk Ash and Fly Ash on Properties of Red Clay M. S. Sultana
More informationEFFECT OF SODIUM HYDROXIDE SOLUTION ON THE PROPERTIES OF GEOPOLYMER BASED ON FLY ASH AND ALUMINIUM WASTE BLEND
Suranaree J. Sci. Technol. Vol. 21 No. 1; January - March 2014 9 EFFECT OF SODIUM HYDROXIDE SOLUTION ON THE PROPERTIES OF GEOPOLYMER BASED ON FLY ASH AND ALUMINIUM WASTE BLEND Sujitra Onutai 1,2, Thanakorn
More informationProcessing of illite powder in Bidor, Perak. : A study of the process and the potential use of illite clay
Geol. Soc. Malaysia, Bulletin 24, October 1989; pp. 67-77 Processing of illite powder in Bidor, Perak. : A study of the process and the potential use of illite clay FAN CHOON MEN'G & Aw PEcK CHIN Geological
More informationA MODEL ALUMINA BASED INVESTMENT CASTING CERAMIC CORE BODY SYSTEM
Journal of Materials Science and Engineering with Advanced Technology Volume 2, Number 1, 2010, Pages 11-25 A MODEL ALUMINA BASED INVESTMENT CASTING CERAMIC CORE BODY SYSTEM Industrial Technology Research
More informationHigh Purity Alumina and Zeolite from Local Low Grade Kaolin
High Purity Alumina and Zeolite from Local Low Grade Kaolin Meor Yusoff M.S., Masliana Muslim, Choo Tye Foo and Julie Andrianny Murshidi Materials Technology Group, Industrial Technology Division, Malaysian
More informationPreparation and Application of Minerals-based Sacrificial Pastes for Fabrication of LTCC Structures
Preparation and Application of Minerals-based Sacrificial Pastes for Fabrication of LTCC Structures Thomas Maeder, Hansu Birol, & Peter Ryser Swiss Federal Institute of Technology, Lausanne - EPFL Laboratory
More informationGLASS-CRYSTALLINE SURFACES FOR BUILDING CERAMICS FROM POWER STATION WASTE
Journal of Yakov Chemical Beliy, Technology Yaroslava and Kol tsova, Metallurgy, Sergey 50, Nikitin 1, 2015, 97-103 GLASS-CRYSTALLINE SURFACES FOR BUILDING CERAMICS FROM POWER STATION WASTE Yakov Beliy,
More informationCombined Microwave-Laser Processing for Sintering of Oxide Ceramics
Combined Microwave-Laser Processing for Sintering of Oxide Ceramics Alexander S. Vanetsev 1, Vassily V. Lennikov 2 and Xerman de la Fuente Leis 2 1 Kurnakov Institute of General and Inorganic Chemistry
More informationPROTECTING REFRACTORIES AGAINST CORUNDUM GROWTH IN ALUMINUM TREATMENT FURNACES. C. Allaire and M. Guermazi
PROTECTING REFRACTORIES AGAINST CORUNDUM GROWTH IN ALUMINUM TREATMENT FURNACES C. Allaire and M. Guermazi CIREP-CRNF, Dept. of Eng. Physics & Materials Engng., Ecole Polytechnique (CRIQ campus), 8475 Christophe
More informationAmenability to Processing of Manganiferous Iron Ore. Shobhana Dey*, M K Mohanta, Sunati Mohanty, M C Goswami and K K Bhattacharyya
Amenability to Processing of Manganiferous Iron Ore Shobhana Dey*, M K Mohanta, Sunati Mohanty, M C Goswami and K K Bhattacharyya MNP Division, C.S.I.R,National Metallurgical Laboratory, Jamshedpur, Jharkhand
More informationUTILIZATION OF ALUMINIUM PROCESSING WASTE AS RAW MATERIALS IN THE MANUFACTURE OF CEMENT
UTILIZATION OF ALUMINIUM PROCESSING WASTE AS RAW MATERIALS IN THE MANUFACTURE OF CEMENT M Pareek, Digvijay Singh, D Yadav*, S K Chaturvedi* and M M Ali* Century Metal Recycling Pvt. Ltd., Palwal, Haryana
More informationMICROWAVE DIELECTRIC PROPERTIES OF Ba 0.75 Sr 0.25 (Nd x Bi 1-x ) 2 Ti 4 O 12 SOLID SOLUTION
Original papers MICROWAVE DIELECTRIC PROPERTIES OF Ba 0.75 Sr 0.25 (Nd x Bi 1-x ) 2 Ti 4 O 12 SOLID SOLUTION Long Mingzhu, ZHuang WENDONG*, # Tang Bin, Yu Shengquan, Zhou Xiaohua, Zhang Shuren State Key
More informationSaint-Gobain Ceramic Materials
Saint-Gobain Ceramic Materials Saint Gobain SiC Membranes for Produced Water December 10th, 2014 Nathalie Elkhiati Fabiano Rodrigues Karen Dwyer Aberdeen Saint-Gobain Group Silicon Carbide Characteristics
More informationUsing low grade silicon carbide and leftover construction soil to fabricate green bricks
Using low grade silicon carbide and leftover construction soil to fabricate green bricks *Min-Hsin Liu 1) and Yi-Le Hsu 2) 1), 2) Department of Environmental Engineering and Management, Chaoyang University
More informationBENEFICIATION OF LOW GRADE IRON ORE FINES BY MAGNETIZING ROASTING
Int. J. Engg. Res. & Sci. & Tech. 2014 Jyoti Sharma and T Sharma, 2014 Research Paper ISSN 2319-5991 www.ijerst.com Vol. 3, No. 2, May 2014 2014 IJERST. All Rights Reserved BENEFICIATION OF LOW GRADE IRON
More informationPozzolanic Activity of Recycled Red Ceramic Bricks
Pozzolanic Activity of Recycled Red Ceramic Bricks Igor S. Pinheiro, Luiz C. Montenegro, and Adriana G. Gumieri School of Engineering; Federal University of Minas Gerais, Rua Espírito Santo, 35, Belo Horizonte,
More informationKinetics of Recovery of Alumina from Coal Fly Ash through Fusion with Sodium Hydroxide
American Journal of Materials Engineering and Technology, 2013, Vol. 1, No. 3, 54-58 Available online at http://pubs.sciepub.com/materials/1/3/6 Science and Education Publishing DOI:10.12691/materials-1-3-6
More informationIntegrated thick-film hybrid microelectronics applied on different material substrates
Integrated thickfilm hybrid microelectronics applied on different material substrates C. Jacq, T. Maeder, S. MenotVionnet, I. Saglini, H. Birol, and P. Ryser EPFL LPM Lausanne, Switzerland lpmwww.epfl.ch
More informationLEACHING OF ILMENITE AND PRE-OXIDIZED ILMENITE IN HYDROCHLORIC ACID TO OBTAIN HIGH GRADE TITANIUM DIOXIDE R. Vásquez, A. Molina
LEACHING OF ILMENITE AND PRE-OXIDIZED ILMENITE IN HYDROCHLORIC ACID TO OBTAIN HIGH GRADE TITANIUM DIOXIDE R. Vásquez, A. Molina Material Science Department. Simon Bolivar University Caracas, Venezuela
More informationInfluence of Rare Earths on the Sintering of Zirconia-Yttria. Experimental
Materials Research, Vol. 2, No. 3, 211-217, 1999. 1999 Influence of Rare Earths on the Sintering of Zirconia-Yttria I.C. Canova a, D.P.F. de Souza a#, N.R. Costa a, M.F. de Souza b a Departamento de Engenharia
More informationExperimental O 3. Results and discussion
Introduction Surface coatings to protect against oxidation extend the service temperature and the service life of basic metals. The commercially used coating systems can be divided into three main groups:
More information2. EXPERIMENTAL PROCEDURE, RESULTS AND DISCUSSION
AMME 2002 11th Sintering and properties of Astaloy Mo-Fe 2 B and Astaloy Mo-Co-(Fe,Co) 2 B cermets J. Nowacki a, T. Pieczonka b a Technical University of Szczecin, Institute of Materials Engineering Al.
More informationCHARACTERIZATION OF GRANITE WASTE FOR INCORPORATION IN RED CERAMIC
CHARACTERIZATION OF GRANITE WASTE FOR INCORPORATION IN RED CERAMIC C. M. F. Vieira, S. N. Monteiro State University of North Fluminense, UENF Advanced Materials Laboratory, LAMAV Av. berto Lamego, 2. Zip
More informationFUNDAMENTAL STUDY ON MICROSTRUCTURE OF CeO 2 -DOPED (Na 0.5 Bi 0.5 )TiO 3 CERAMICS
FUNDAMENTAL STUDY ON MICROSTRUCTURE OF CeO 2 -DOPED (Na 0.5 Bi 0.5 )TiO 3 CERAMICS Rozidawati Awang 1,*, Nurain Ab. Halim 1, Zalita Zainuddin 1, Mohammad Hafizuddin Haji Jumali 1, Muhammad Yahaya 1 and
More informationHigh Thermal Conductivity Silicon Nitride Ceramics
Journal of the Korean Ceramic Society Vol. 49, No. 4, pp. 380~384, 2012. http://dx.doi.org/10.4191/kcers.2012.49.4.380 Review High Thermal Conductivity Silicon Nitride Ceramics Kiyoshi Hirao, You Zhou,
More informationMICROWAVES AS AN ENERGY SOURCE FOR PRODUCING MAGNESIA - ALUMINA SPINEL
MICROWAVES AS AN ENERGY SOURCE FOR PRODUCING MAGNESIA - ALUMINA SPINEL JUAN A. AGUILAR MARIO GONZALEZ IDALIA GOMEZ Universidad Autónoma de Nuevo León, Facultad de Ingeniería Mecánica y Eléctrica Apartado
More informationCalcium Aluminate Cements
Global Product Data Calcium Aluminate Cements Think alumina, think Almatis. GP-RCP/005/R08/0516/SDS 993 Products Almatis produces high purity Calcium Aluminate Cements with 70 and 80 % Al 2 O 3 content.
More informationBIND-AMOR: Flash-calcined dredging sediments of the AMORAS mechanical dewatering plant al cement substitute
BIND-AMOR: Flash-calcined dredging sediments of the AMORAS mechanical dewatering plant al cement substitute 1 1 Situation Port of Antwerp Port of Antwerp 2nd largest port in Europe 42 sea ship per day
More informationPROPERTIES OF 2.45 GHZ MICROWAVE SINTERED SiO2 FROM RICE HUSK ASH AND Al2O3
PROPERTIES OF 2.45 GHZ MICROWAVE SINTERED SiO2 FROM RICE HUSK ASH AND Al2O3 Muhammad Zamrun Firihu 1 and I. Nyoman Sudiana 2 1 Theoretical and Computational Physics Laboratory, Department of Physics, Faculty
More informationCharacterisation of Ceramic Pastes of Portuguese Ancient Tiles
aterials Science Forum Vols. 514-516 (2006) pp. 1648-1652 online at http://www.scientific.net (2006) Trans Tech Publications, Switzerland Online available since 2006/05/15 Characterisation of Ceramic Pastes
More informationStudy the Influence of Sintering on the Properties of Porcelain Stoneware Tiles
Study the Influence of Sintering on the Properties of Porcelain Stoneware Tiles Ola Saleh Mahdi Department of Ceramic Engineering and Building Materials, University of Babylon, College of Materials Engineering,
More informationJournal of Chemical and Pharmaceutical Research, 2014, 6(3): Research Article
Available online www.jocpr.com Journal of Chemical and Pharmaceutical Research, 204, ():7-78 Research Article ISSN : 0975-784 CODEN(USA) : JCPRC5 Study of the mechanism of the direct reduction roasting
More informationNovel Ceramic Casting Slips for Step Change Improvement in Performance. John Adams
Novel Ceramic Casting Slips for Step Change Improvement in Performance John Adams Background - 1 Casting Slip Components Kaolin clay Ball clay Feldspar Quartz Chemical additives (eg dispersants)
More informationwww.alteo-alumina.com Technical features Glazes A ceramic glaze is a vitreous material prepared from the milling of two types of constituents: mineral raw materials (non soluble in water) frits The frit/raw
More informationMould fluxes for steelmaking - composition design and characterisation of properties. Research Institute, Stockholm
Mould fluxes for steelmaking - composition design and characterisation of properties Carl-Åke Däcker KIMAB, Corrosion and Metals Research Institute, Stockholm The main functions for mould powder - and
More informationEffect of Surface Treatment of Artificial Aggregates by an Alkali-Activator on Properties of Geopolymer/Aggregate Composites
, pp.59-63 http://dx.doi.org/10.14257/astl.2016.130.13 Effect of Surface Treatment of Artificial Aggregates by an Alkali-Activator on Properties of Geopolymer/Aggregate Composites Jihwan Won 1, Seunggu
More informationCRYSTALLIZATION BEHAVIOR OF HYBRID PREMULLITE POWDERS SYNTHESIZED BY SOL-GEL METHOD
9. Savjetovanje o materijalima, tehnologijama, trenju i trošenju 9. Conference on Materials, Processes, Friction and Wear MATRIB 04, Vela Luka, 23-25.06.2004. CRYSTALLIZATION BEHAVIOR OF HYBRID PREMULLITE
More informationCharacterization of Silica from Sodium Hydroxide Treated Rice Husk
Characterization of Silica from Sodium Hydroxide Treated Rice Husk Syed H. Javed, Tajwar S., Shafaq M., M. Zafar, M. Kazmi Abstract Silica derived from rice husk under controlled combustion produces reactive
More informationSTUDIES ON SINTERING OF MOLDED GRANITE BODIES
STUDIES ON SINTERING OF MOLDED GRANITE BODIES V.X. de Lima Filho, P. F Blazdell *, R. E. F. Q Nogueira and R. Braga Universidade Federal do Ceara Centro de Tecnologia, Bloco 714, Caixa Postal 12144, Fortaleza,
More informationChapter 2 Portland Cement Clinker
Chapter Portland Cement Clinker.1 Portland Cement Clinker Burning The main goal of the clinkering process is to produce the material of designed phase composition, which is called Portland cement clinker.
More informationReplacing Coal by Tire Powder in Ceramic Industry. C. G. Mothé*, H. F. Mothé Filho**
Replacing Coal by Tire Powder in Ceramic Industry C. G. Mothé*, H. F. Mothé Filho** * Departamento de Processos Orgânicos, Escola de Química/CT/UFRJ, CEP 21949-900, Rio de Janeiro, RJ, Brazil, cheila@eq.ufrj.br,
More informationDIRECT LASER SINTERING OF BOROSILICATE GLASS
DIRECT LASER SINTERING OF BOROSILICATE GLASS F. Klocke, A. McClung and C. Ader Fraunhofer Institute for Production Technology IPT, Aachen, Germany Reviewed, accepted August 4, 2004 Abstract Despite the
More informationUDK : ; Formation of Porous Ceramics Using Cullet and Biological Waste of Water Purification
Science of Sintering, 43 (2011) 81-94 doi:10.2298/sos1101081v UDK 552.52:621.039.542.3;539.217 Formation of Porous Ceramics Using Cullet and Biological Waste of Water Purification M. Vlasova *), I. Rosales,
More informationSilica Fume Concrete
Silica Fume Concrete Silica fume names Silica Fume, Microsilica, Undensified Silica Fume, Undensified Microsilica, Densified Silica Fume, Densified Microsilica, Silica ash, amorphous silica Introduction
More informationPresented at the14th International Congress on the Chemistry of Cement. Beijing, China. October 2015
CO 2 -Reducing Cement Based on Calcium Silicates Presented at the14th International Congress on the Chemistry of Cement Beijing, China October 2015 S. Sahu 1 *, S. Quinn 1, V. Atakan 1, N. DeCristofaro
More informationCharacterisation of CTF deposits from coal-biomass combustion. Fraser Wigley and Jim Williamson Imperial College London Gerry Riley RWE npower
Characterisation of CTF deposits from coal-biomass combustion Fraser Wigley and Jim Williamson Imperial College London Gerry Riley RWE npower Introduction Co-firing of biomass with coal is now common at
More informationCERAMICS. (related only to traditional ceramics): Materials made of clays and hardened by fire
CERAMICS Original definition: (related only to traditional ceramics): Materials made of clays and hardened by fire Actual definition: Inorganic non-metallic heterogeneous materials with structure composed
More informationDevelopment of red wall tiles by the dry process using Brazilian raw materials
Ceramics International 31 (2005) 215 222 important properties of the wall tiles such as high dimensional stability (low linear shrinkage), low hidratability, and high porosity [3]. Brazil is currently
More informationValorization of non-conventional fly ashes in eco-efficient cements
Valorization of non-conventional fly ashes in eco-efficient cements Moustapha Sow 1,2, Martin Cyr 1 and Nicolas Schmutz 2 1 LMDC, Université de Toulouse, Toulouse, France 2 SAS CICM, Le Port, Ile de la
More informationMINIMIZATION OF ERRORS DUE TO MICROABSORPTION OR ABSORPTION CONTRAST
Copyright JCPDS - International Centre for Diffraction Data 2004, Advances in X-ray Analysis, Volume 47. 200 MINIMIZATION OF ERRORS DUE TO MICROABSORPTION OR ABSORPTION CONTRAST Bradley M. Pederson, Krista
More informationEVALUATION REPORT OF HESS PUMICE
EVALUATION REPORT OF HESS PUMICE June 11, 212 By Uma Ramasamy and Paul Tikalsky CONCRETE AND MATERIALS RESEARCH AND EVALUATION LABORATORY DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING 1 INTRODUCTION
More informationWF VAN DER VYVER
DETERMINATION OF FACTORS INFLUENCING THE DEGREE OF REDUCTION DISINTEGRATION IN NORTHERN CAPE LUMP ORE AND THE ROLE OF GANGUE MINERALS IN THE PROPAGATION OF CRACKS WF VAN DER VYVER Dissertation submitted
More informationInfluence of forming method and sintering process on densification and final microstructure of submicrometre alumina ceramics
Processing and Application of Ceramics 2 [1] (2008) 13-17 Influence of forming method and sintering process on densification and final microstructure of submicrometre alumina ceramics Monika Mikoczyová
More informationElaboration and Properties of Zirconia Microfiltration Membranes
Available online at www.sciencedirect.com Procedia Engineering 33 (2012) 278 284 ISWEE 11 Elaboration and Properties of Zirconia Microfiltration Membranes Ferhat Bouzerara a,b *, Abdelhamid Harabi b, Boudjemaa
More informationSILICA SCALE PREVENTION METHOD USING SEED MADE FROM GEOTHERMAL BRINE
SILICA SCALE PREVENTION METHOD USING SEED MADE FROM GEOTHERMAL BRINE Hajime Sugita, Isao Matsunaga, Tsutomu Yamaguchi Geo-Energy Division, Geotechnology Department, National Institute for Resources and
More informationApplication of Catalyst Waste to Ceramics Made of Raw Materials
ISSN 1392 1320 MATERIALS SCIENCE (MEDŽIAGOTYRA). Vol. 11, No. 1. 2005 Application of Catalyst Waste to Ceramics Made of Raw Materials Olga KIZINIEVIČ 1, Ramunė ŽURAUSKIENĖ 1, Algis ŠPOKAUSKAS 2, Romualdas
More informationFeasibility study of manufacturing concrete eco-blocks using marble sludge powder as raw materials
Sustainable Development and Planning IV, Vol. 2 845 Feasibility study of manufacturing concrete eco-blocks using marble sludge powder as raw materials F. J. Aukour Faculty of Natural Resources and Environment,
More informationSome studies on the reaction between fly ash and lime
Bull. Mater. Sci., Vol. 28, No. 2, April 2005, pp. 131 136. Indian Academy of Sciences. Some studies on the reaction between fly ash and lime A BASUMAJUMDAR, A K DAS, N BANDYOPADHYAY and S MAITRA* College
More informationA Study on Injection Moulding of Two Different Pottery Bodies
A Study on Injection Moulding of Two Different Pottery Bodies M. Y. Anwar 1, M. Zubair 1, M. Ajmal 1, and M. T. Z. Butt 2 1. Department of Metallurgical & Materials Engineering, UET Lahore. 2. Faculty
More informationCeramic Processing Research
Journal of Ceramic Processing Research. Vol. 14, No. 3, pp. 400~404 (2013) J O U R N A L O F Ceramic Processing Research Preparation of nano mullite from activated kaolin and gibbsite at a low temperature
More informationInvestigation of Appropriate Refractory Material for Laboratory Electritic Resistrance Furnance
Investigation of Appropriate Refractory Material for Laboratory Electritic Resistrance Furnance Department Of Mechanical Engineering, Federal University of Technology, Minna, Nigeria E-mail: joe_agboola@yahoo.com
More informationWiendartun 1 & Dani Gustaman Syarif 2
Journal of Materials Science Research; Vol. 1, No. 3; 2012 ISSN 1927-0585 E-ISSN 1927-0593 Published by Canadian Center of Science and Education Electrical Characteristics Cufe 2 o 4 Thick Film Ceramics
More informationSYNTHESIS AND CHARACTERIZATION OF CORDIERITE-MULLITE COMPOSITE
SYNTHESIS AND CHARACTERIZATION OF CORDIERITE-MULLITE COMPOSITE A THESIS IN THE PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF BACHELOR OF TECHNOLOGY BY ANKITA BILUNG ROLL NO: 108CR016 DEPARTMENT
More informationThe Use of Fly Ash Fillers in Rubber
The Use of Fly Ash Fillers in Rubber Richard A. Kruger 1, Mark Hovy 1 and David Wardle 2 1 Sphere-Fill, PO Box 317, Randburg 2125, South Africa 2 Polymer Mixing Services, PO Box 2344, Innesdale, 31, South
More informationThe Pelletizing of Industrial Acceptable Magnetite Pellets with Bentonite Clay as Binding Agent
The Pelletizing of Industrial Acceptable Magnetite Pellets with Bentonite Clay as Binding Agent PJ Pieters, Frans B. Waanders, and Elvis Fosso-Kankeu Abstract Magnetite fines, resulting from the beneficiation
More informationRefractory Alternatives to Combat Elephant's Foot Erosion and Top Cap Wear in Coreless Furnaces
Refractory Alternatives to Combat Elephant's Foot Erosion and Top Cap Wear in Coreless Furnaces Peter L. Satre Manager, Engineering Allied Mineral Products, Inc. Traditional Furnace Lining Coreless melting
More informationMicrostructural variations in SiC ceramics sintered with AlN-Y 2 O 3. Keywords: Silicon carbide, Liquid phase sintering, Microstructure
Microstructural variations in SiC ceramics sintered with AlN-Y 2 O 3 K.Strecker 1 ; C.Santos 2 ; M. J. Bondioli 2 ; M.-J.Hoffmann 3 1 Universidade Federal de São João del-rei, Departamento de Mecânica,
More information