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Improved Fatigue Strengths of Nanocrystalline Cu and Cu-Al Alloys
An, Xianghai; Lin, Qingyun; Wu, Shiding; Zhang, Zhefeng; anxianghai@gmail.com; zhfzhang@imr.ac.cn
2015
Source PublicationMATERIALS RESEARCH LETTERS
ISSN2166-3831
Volume3Issue:3Pages:135-141
AbstractIncreasing the fatigue strengths of high-strength materials, especially their endurance limits is essentially challenging. The fatigue strengths of nanocrystalline (NC) Cu and Cu-Al alloys processed by high-pressure torsion were prominently enhanced with a decrease in stacking fault energy. This remarkable escalation can be attributed not only to their significantly increased tensile strengths in macro-scale, but also to the essentially improved microstructure stability and reduced strain localization within shear bands in microscale. Owing to the limitation of their intrinsic fatigue mechanisms, the fatigue limits of NC Cu and Cu-Al alloys cannot always acquire appreciable improvement with their monotonic strengths.
description.department[an, xianghai ; lin, qingyun ; wu, shiding ; zhang, zhefeng] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china
KeywordNanocrystalline Stacking Fault Energy Fatigue Strength Fatigue Mechanism Severe Plastic Deformation
Funding OrganizationNational Natural Science Foundation of China [50931005, 51101162, 51331007]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74900
Collection中国科学院金属研究所
Corresponding Authoranxianghai@gmail.com; zhfzhang@imr.ac.cn
Recommended Citation
GB/T 7714
An, Xianghai,Lin, Qingyun,Wu, Shiding,et al. Improved Fatigue Strengths of Nanocrystalline Cu and Cu-Al Alloys[J]. MATERIALS RESEARCH LETTERS,2015,3(3):135-141.
APA An, Xianghai,Lin, Qingyun,Wu, Shiding,Zhang, Zhefeng,anxianghai@gmail.com,&zhfzhang@imr.ac.cn.(2015).Improved Fatigue Strengths of Nanocrystalline Cu and Cu-Al Alloys.MATERIALS RESEARCH LETTERS,3(3),135-141.
MLA An, Xianghai,et al."Improved Fatigue Strengths of Nanocrystalline Cu and Cu-Al Alloys".MATERIALS RESEARCH LETTERS 3.3(2015):135-141.
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