Effect of microcrack on deformation-induced amorphous behavior in medium steel

被引：1
|
作者：
Zhang Jianjun [1 ]
Zhu Jinhua [1 ]
机构：
[1] Xian Jiaotong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2006年 / 428卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
microcrack; amorphous structure; interfacial energy;
D O I：
10.1016/j.msea.2006.05.004
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Amorphous structure was detected in surface layer of a medium carbon steel sample impacted with repeated load. With HRTEM, it was observed that the deformation-induced amorphous more appeared on the internal surface of microcrack. Through thermodynamics calculation, it can be proved that the microcrack surface is a preferred site for deformation-induced amorphous, and the main driving force is interfacial energy instead of dislocation energy. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：244 / 246
页数：3
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