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HEAT CAPACITIES OF Fe_(40)Ni_(40)B_(20) GLASSY ALLOY MEASURED BY ENTHALPY METHOD
作者姓名:JIANG Qing  ZHAO Ming  LI Jianchen
作者单位:Jilin University of Technology,Changchun,China
摘    要:HEATCAPACITIESOFFe_(40)Ni_(40)B_(20)GLASSYALLOYMEASUREDBYENTHALPYMETHOD¥JIANGQing;ZHAOMing;LIJianchen(JilinUniversityofTechnol?..

收稿时间:1995-02-25
修稿时间:1995-02-25

HEAT CAPACITIES OF Fe_(40) Ni_(40) B_(20) GLASSY ALLOY MEASURED BY ENTHALPY METHOD
JIANG Qing, ZHAO Ming, LI Jianchen.HEAT CAPACITIES OF Fe_(40) Ni_(40) B_(20) GLASSY ALLOY MEASURED BY ENTHALPY METHOD[J].Acta Metallurgica Sinica(English Letters),1995,8(1):23-28.
Authors:JIANG Qing  ZHAO Ming  LI Jianchen
Abstract:The heat capacities (C_p) ofglassy and crystalline Fe_(40)Ni_(40)B_(20) alloy have been measured by means ofdifferential scanning calorimeter(DSC). A larger C_p value at the glass transition temperature (T_g) can be obtained. The reproducible C_p values ofrelaxed glass at certain heating rate are lower than that ofas quenched glass below 500 K, and are much higher at T_g than that of the crystal. The heating rate affects C_p values of the glass. At last, C_p val ues ofthe undercooled liquid are estimated.
Keywords:heat capacity  glass transition  undercooled liquid  Fe_(40)Ni_(40)B_(20) alloy
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