Forming incoherent twin boundaries: a new way for nanograin growth under cyclic loading

被引：13
|
作者：
Luo, Xue-Mei [1 ]
Li, Xi [1 ]
Zhang, Guang-Ping [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72Wenhua Rd, Shenyang 110016, Peoples R China
来源：
MATERIALS RESEARCH LETTERS | 2017年 / 5卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Grain growth; Grain boundary; Twin boundary; Nanocrystalline; Fatigue; CHARACTER-DISTRIBUTION; MECHANICAL-PROPERTIES; DEFORMATION TWINS; STAINLESS-STEEL; NANOCRYSTALLINE; STRENGTH; STRAIN; PLASTICITY; FATIGUE; ALUMINUM;
D O I：
10.1080/21663831.2016.1203365
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Obvious grain growth was observed in regions around the fatigue cracks in the Au thin films under cyclic loading. Dominant generation of twin boundaries (TBs) and low-angle grain boundaries was observed in the coarsened grains. The experimental evidence shows that the newly formed TBs are mainly incoherent TBs, rather than the classical coherent TBs. [GRAPHICS] IMPACT STATEMENT A number of newly formed twin boundaries (TBs) are observed to be mainly incoherent TBs rather than the classical coherent TBs in the coarsened grains of the fatigued Au film.
引用
收藏
页码：95 / 101
页数：7
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