The compressive deformation mechanisms of a coarse-grained AgInCd alloy

被引：5

作者：

Wan, Weicai ^{[1
]}

Chen, Hongsheng ^{[3
]}

Long, Chongsheng ^{[3
]}

Sun, Qingzhu ^{[2
]}

Li, Guangzhao ^{[1
]}

Wang, Haibo ^{[2
]}

Tang, Qifeng ^{[1
]}

机构：

[1] Xihua Univ, Sch Mat Sci & Engn, Chengdu 610039, Sichuan, Peoples R China

[2] Panzhihua Coll, Sch Mat Engn, Panzhihua 617000, Peoples R China

[3] Nucl Power Inst China, Sci & Technol Reactor Fuel & Mat Lab, Chengdu 610041, Sichuan, Peoples R China

来源：

MATERIALS CHARACTERIZATION | 2017年 / 134卷

基金：

中国国家自然科学基金;

关键词：

Deformation mechanism; AgInCd alloy; Deformation twinning; Stacking fault; Dislocation; STACKING-FAULT ENERGY; X-RAY-DIFFRACTION; CU-AL ALLOYS; NANOCRYSTALLINE AL; METALS; MICROSTRUCTURE; STRENGTH; BEHAVIOR; STEEL;

D O I：

10.1016/j.matchar.2017.11.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The compressive deformation mechanisms of a coarse-grained AgInCd alloy have been investigated in the present study. When compressive strain is not higher than 30%, the deformation mechanisms transform from full dislocation slip and multiplication into the two coefficient mechanisms of full dislocation slip and partial dislocation emission with increasing compressive strain. When compressive strain reaches 50%, the dominant deformation mechanisms convert into deformation twinning. With further increasing strain, the dislocation densities decrease and the twin thicknesses reduce in the nano-twinned grains. Twin boundary possesses a weaker strengthening effect comparing with grain boundary for the AgInCd alloys.

引用

页码：279 / 284

页数：6

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