Glass transition kinetics of La55Al25Ni10Cu10 bulk metallic glass by electrical resistivity measurement

被引：3

作者：

Liu, Bo-Yang ^{[1
]}

Ye, Feng ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China

来源：

RARE METALS | 2013年 / 32卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Bulk metallic glass; Electrical resistivity; Glass transition kinetics; Apparent activation energy; Fragility parameter; CRYSTALLIZATION KINETICS; SUPERCOOLED LIQUID; RELAXATION; BEHAVIOR;

D O I：

10.1007/s12598-013-0089-y

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The glass transition behavior of La55Al25Ni10Cu10 bulk metallic glass was investigated using electrical resistivity and differential-scanning calorimetry measurements. There are good agreements of the onset temperature (T (g-onset)) and the end temperature (T (g-end)) of the glass transition between the DSC curve and temperature dependent electrical resistivity (TER) curve in the same heating rate. Kinetics of the glass transition is studied with the electrical resistivity data. The apparent activation energy of the glass transition (Delta E (g)) is found to be 306.4 kJ center dot mol(-1). Fragility parameter D (*) and VFT temperature T (0) are 9.8 and 324.9 K, respectively.

引用

页码：359 / 362

页数：4

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