STRUCTURE RELAXATION OF AMORPHOUS ALLOYS

Acta Metall Sin

1995, Vol. 31

Issue (19): 318-323 DOI:

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STRUCTURE RELAXATION OF AMORPHOUS ALLOYS

LIU Junmin(Department of Physics; Zhongshan University; Guangzhou 510275);SHUI Jiapeng(Institute of Solid State Physics; Chinese Academy of Sciences; Hefei230031)(Manuscript received 1994-04-15)

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LIU Junmin(Department of Physics; Zhongshan University; Guangzhou 510275);SHUI Jiapeng(Institute of Solid State Physics; Chinese Academy of Sciences; Hefei230031)(Manuscript received 1994-04-15). STRUCTURE RELAXATION OF AMORPHOUS ALLOYS. Acta Metall Sin, 1995, 31(19): 318-323.

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Abstract

By using the coupling broad distribution function of relaxation activation energy in according with the fluctuation in structure of amorphous alloys, the classical activation energy spectrum model is modified, and four different forms of relaxation function are obtained. The dependence of internal friction on annealing temperature and annealing time is experimentally investigated for amorphouse alloys (Pd_(80)Si_(20) and Ni_(80)P_(20)), the streched exponent function is used to fit the decay law, M(t)= exp(-Ct~β). the dependence of exponent(β) on annealing temperature is discussed. (Correspondent: LIU Junmin, Department of Physcics, Zhongshan University, Guangzhou 510275)

Key words: : amorphous alloys structure relaxation activation energy relaxation-function internal friction

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1995/V31/I19/318

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