APPARENT CRYSTALLIZATION KINETICS OF AMORPHOUS Fe_(80)B_(20) ALLOY

Acta Metall Sin

1994, Vol. 30

Issue (17): 218-222 DOI:

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APPARENT CRYSTALLIZATION KINETICS OF AMORPHOUS Fe_(80)B_(20) ALLOY

DONG Zhenfu; LU Ke; LIU Xuedong; DING Bingzhe; WEI Wenduo; WANGJingtang(State Key Laboratory of RSA; Institute of Metal Reseach; Chinese Academy of Sciences; Shenyang)

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DONG Zhenfu; LU Ke; LIU Xuedong; DING Bingzhe; WEI Wenduo; WANGJingtang(State Key Laboratory of RSA; Institute of Metal Reseach; Chinese Academy of Sciences; Shenyang). APPARENT CRYSTALLIZATION KINETICS OF AMORPHOUS Fe_(80)B_(20) ALLOY. Acta Metall Sin, 1994, 30(17): 218-222.

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Abstract By use of a differential scanning calorimeter, the crystallization kinetics of an amorphous Fe80B20 alloy was studied. The kinetic parameters of crystallization, such as the transformed fraction x(t),the local activation energy Ec(x), and the average Avrami exponent n, were analyzed. The crystal growth in this alloy is not only interface-controlled but also diffusion-controlled.

Key words: amorphous alloy crystallization kinetics interface-control diffusion-con-trol Fe_(80)B_(20)

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1994/V30/I17/218

1ChristainJW．TheThoeryofTransformationinMetalsandAlloys,1stEd．,Oxford:PergamonPress,19652卢柯,王景唐．中国科学,1992;22:A4143GreerAL．ActaMetall．1982;30:1714RanganathanS,HeimendahlMV,JMaterSci,1981;16:24015ChenHS,KirerlingLC,PoateJM,BrownWL．ApplPhysLett,1978;32:4616RosenblumMP,SpaEpenF,TurnbullD．ApplPhysLett,1980;37:1847LuK,WangJT．MaterSciEng,1991;A133:5000

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