Thermodynamic and Kinetic Characteristics of Glass Transition in an Amorphous Alloy Pd_(77.5)Ni_(6.0)Si_(16.5)

作     者：DING Xing-zhao LIU Xiang-huai WU Qin-chong HE Yi-zhen 丁星兆;柳襄怀;乌钦崇;何怡贞

作者机构：Shanghai Institute of MetallurgyChinese Academy of SciencesShanghai 200050 Institute of Plasma PhysicsChinese Academy of SciencesHefei 230031 Institute of Solid State PhysicsChinese Academy of SciencesHefei 230031 

出 版 物：《Chinese Physics Letters》 (中国物理快报（英文版）)

年 卷 期：1999年第16卷第5期

页      面：358-360页

核心收录：

学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

主　　题：alloy process. thermodynamic 

摘      要：Variation of some thermodynamic functions of an amorphous alloy Pd_(77.5)Ni_(6.0)Si_(16.5) in glass transition temperature region during various scans was measured by a differential scanning *** Gibbs free energy of glassy state was examined to be larger than that of the undercooled liquid state when the specimen was heated up to the glass transition temperature region,which supports the idea of what there are thermodynamic origins underlying glass transition *** the other hand,it was found that glass transition behaved differently during heating and cooling ***,with increase of heating rate,the glass transition process was delayed gradually to higher *** can be concluded that glass transition is a kinetically modified thermodynamic phase transformation.