( E. Ni 80 P 20,FeZr 2 Fe 86 B 14 DSC, : (1) ; (2) ( < 100 ma), Tsinghua Tongfang Optical Disc Co., Ltd. All rights reserved.

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1 ( E ) 30 3 SCIENCE IN CHINA (Series E) (, ), Ni 80 P 20, FeZr 2 Fe 86 B 14,, DSC,, [1 ], [2, ], [3,4 : (1) ], ; (2) ( DSC,DTA ) [5,6 ], [7 ] [8 13 ],,,,, Ni 80 P 20,FeZr 2 Fe 86 B , [14,15 ],,, ( < 100 ma), , ( : , ) Tsinghua Tongfang Optical Disc Co, Ltd All rights reserved

2 194 ( E ) 30 [16 ],, [17 ],,, 112 ( 1) ( 0 3 mm), (1 4) 42 mm, 2,3 8 mm,,,, 1, Ni-Cr, PtRh10- Pt,, ( K/ min) Ni Curie, 1 K HP4338B, 1 khz ( < 10 ma),, Ni 80 P 20,FeZr 2 Fe 86 B 14, 20 m 1 2 mm,x Ni 80 P 20 (570 K,70 min),, [18 ], Ni 80 P 20 ( ERM) (DSC), Philip EM Ni 80 P 20 Ni 80 P 20 Ni Ni 3 P 2 Ni 80 P 20 (1) (2) (DSC) R T ( 2 (a) ) 3 : ( F H ) (1) 591 K, ; Tsinghua Tongfang Optical Disc Co, Ltd All rights reserved

3 3 : 195 (2), Ni 80 P 20,,, ; (3), 660 K, R- T, R- T 2 d R/ d T- T ( 2 (b) ) 2, 1, 2 3,d R/ d T- T 656 K DSC ( 2 (c) ) d R/ d T- T 1,2, d R/ d T- T ( 3) 3,3,, d R/ d T- T DSC T on T p,,, DSC, 3 Ni 80 P 20, 3, :1 015, 2 1, 3 2, 4 5 K/ min, 1 DSC Ni 80 P 20 E A ERM DSC / K min - 1 T on / K T p1 / K T p2 / K T p3 / K T on / K T p / K E A / kj mol DSC Ni 80 P 20 E A ERM DSC / K min - 1 T on / K T p2 / K T p3 / K T on / K T p / K E A / kj mol Tsinghua Tongfang Optical Disc Co, Ltd All rights reserved

4 196 ( E ) 30 1, (2 5 nm) Ni Ni 3 P ( 4 (a) ) 2 (25 30 nm), ( 4 (b) ) 3, d R/ d T- T K/ min Ni 80 P 20 (a) 599 K (b) 608 K Kissinger [19 ] 1, DSC ( 5), d R/ d T- T 1 (314 24) kj/ mol 2 (244 22) kj/ mol DSC (239 5) kj/ mol, kj/ mol [20 ], DSC ( ) kj/ mol [21 ] d R/ d T- T 1 5 Ni 80 P 20 (DSC), Kissinger (230 10) kj/ mol DSC (231 8) kj/ mol ( 2), 2, [22 ], DSC d R/ d T- T 2 d R/ d T- T 3 (195 12) kj/ mol Ni 80 P 20 ( ) kj/ mol [23 ], 3 Ni 80 P FeZr 2 FeZr 2 Ni 80 P 20,d R/ d T- T ( 6) 3, DSC DSC Kissinger ( 7), 1 (669 25) kj/ mol FeZr Tsinghua Tongfang Optical Disc Co, Ltd All rights reserved

5 3 : kj/ mol [24 ] 1) 3 6 FeZr 2 (DSC) ( F H ) 7 FeZr 2 (DSC) Kissinger 2 4 Fe 86 B 14 Fe 86 B 14, - Fe - Fe 1,d R/ d T- T ( 8) 1, DSC 710 K - Fe, K 1 ( 8), (271 12) kj/ mol DSC (165 6) kj/ mol 8 Fe 86 B 14 (DSC) ( F H ) Fe 86 B 14 (DSC) Kissinger Ni 80 P 20,FeZr 2 Fe 86 B 14 Ni 3 P + Ni,FeZr 2 - Fe, 1) Lu K, Zhang X H Electrical resistance measurements for identification of crystal nucleation and growth in amorphous solids : a case study ( ) Tsinghua Tongfang Optical Disc Co, Ltd All rights reserved

6 198 ( E ) 30 H = x c H a c + x in H a in, x c, x in / (a/ c), H a c, H a in a/ c, x c ( 2 nm), a/ c, DSC, H x c H a c,, x c, DSC,,, H,,,DSC, [25,, ] 312,, DSC, r, a/ c, 4 r 2 4 r/ 3 3 = 3 / r 1 2 nm, 3 4, 115 3, a/ c,a/ c, a/ c,, a/ c a/ c,d R/ d T- T, Fe 86 B 14, - Fe [26 ],, a/ c - Fe, d R/ d T- T, DSC,, DSC 4 (1), DSC, DSC (2),, d R/ d T- T 3, (3) Tsinghua Tongfang Optical Disc Co, Ltd All rights reserved

7 3 : Luborsky F E Amorphous Metallic Alloys London : Butterworth & Co (Publishers) Ltd, Cahn R W, Haasen P Physical Metallurgy Amsterdam : North- Holland Physics Publ, Ranganathan S, Vonheimendahl M The three activation energies with isothermal transformations : application to metallic glasses J Mater Sci, 1981, 16 : Vonheimendalh M, Kuglstatter G The activation energies of crystallization in the amorphous alloy metglass 2826A J Mater Sci, 1981, 16 : Christian J W Transformation in Metals and Alloys Oxford : Pergamon, Yinnon H, Uhlmann D H Applications of thermoanalytical techniques to the study of crystallization kinetics in glass-forming liquids, part I : theory J Non-Crys Solids, 1983, 54 : Lu K, L ck R, Predel B The temperature vs time transformation (T- T- T) diagram for a transition from the amorphous to the nanocrys2 talline state Acta Metall Mater, 1994, 42 : Kelton K F, Spaepen F A study of the devitrification of Pd 82 Si 18 over a wide temperature range Acta Metall, 1985, 3 : Altounian Z, Volkert C A, Strom-Olsen J O Crystallization characteristics of Fe- Zr metallic glasses from Fe 43 Zr 57 to Fe 20 Zr 80 J Appl Phys, 1985, 57 : Kwong V, Koo Y C, Thorpe S J, et al Crystallization behavior of Al 85 Y 10 Ni 5 by isochronal and isothermal annealing Acta Metall Mater, 1991 ; 39 : J skiewicz P Method to study crystallization kinetics by electrical resistivity Mater Sci Forum, 1998, : Hofstetter W, Sassik H, Grossinger R, et al Determination of the onset of crystallization of amorphous materials using different meth2 ods Mater Sci Eng, 1997, A : Schulz R, Samwer K, Johnson WL Kinetics of phase separation in Cu 50 Zr 50 metallic glasses J Non-Crys Solids, 1984, : Smits F M Measurement of sheet resistivities with the four-point probe Bell System Technical Journal, 1958, 37 : Cohen R L, West K W Characterization of metals and alloys by electrical resistivity measurements Material Evaluation, 1983, 41 : Kelton K F, Holzer J C Apparatus for in- situ measurements of changes in the electrical resistivity accompanying phase changes in metastable metallic alloys Rew Sci Instru, 1988, 59 : Muir W B, Strom-Olsen J O A sensitive ac difference method for electron transport measurements J Phys E: Sci Instru, 1976, 9 : Lu K, Wang J T Relationship between crystallization temperature and pre-existing nuclei in amorphous Ni- P alloys Mater Sci Eng, 1988, 97 : Kissinger H E Reaction kinetics in differential thermal analysis Anal Chem, 1957, 29 : Wang J T, Di L M, Li S L Crystallization kinetics of anorphous Ni- P alloys Z Phys Chem, 1987, 2 : Lu K, Wang J T Crystallization kinetics of Ni- P glass activation energies for nucleation and growth of nuclei J Mater Sci, 1988, 23 : Hamlyn- Harris J H, Stjohn D H, Sood D K The thermal stability of Ni-11 wt % P metallic glass J Mater Sci, 1990, 25 : Lu K, Wei W D, Wang J T Grain growth kinetics and interfacial energies in nanocrystalline Ni- P alloys J Appl Phys, 1991, 69 : Blank-Bewersdorf W, Koester U Transitent nucleation in Zirconium-based metallic glasses Mater Sci Eng, 1988, 9 : Lu K Grain growth processes in nanocrystalline materials studied by differential scanning calorimetry Scripta Metall Mater, 1991, 25 : Kgster U, Sch nemann U, Blank-Bewersdorff M, et al Nanocrystalline materials by crystallization of metal-metalloid glasses Mater Sci Eng, 1991, A133 : Tsinghua Tongfang Optical Disc Co, Ltd All rights reserved