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Fatigue strength plateau induced by microstructure inhomogeneity
Liu, R.; Tian, Y. Z.; Zhang, Z. J.; Zhang, P.; Zhang, Z. F.; Tian, YZ; Zhang, ZF (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.; Zhang, ZF (reprint author), Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China.
2017-08-15
发表期刊ELSEVIER SCIENCE SA
ISSN0921-5093
卷号702页码:259-264
摘要Fatigue damage localization is a critical problem which greatly impacts on the fatigue strength improvement. As a main cause of fatigue damage concentration, the microstructure inhomogeneity of cold-rolled and annealed Cu-5at%Al alloy has been paid much attention in this study. A notable plateau with constant fatigue strength is discovered in the region of partially recrystallized microstructures which share similar maximum grain size. The existence of such "fatigue strength plateau" suggests that in some specific cases, fatigue strength would vary with neither the tensile strength nor the average grain size, since the fatigue resistance of the damage localized regions remains unchanged.; Fatigue damage localization is a critical problem which greatly impacts on the fatigue strength improvement. As a main cause of fatigue damage concentration, the microstructure inhomogeneity of cold-rolled and annealed Cu-5at%Al alloy has been paid much attention in this study. A notable plateau with constant fatigue strength is discovered in the region of partially recrystallized microstructures which share similar maximum grain size. The existence of such "fatigue strength plateau" suggests that in some specific cases, fatigue strength would vary with neither the tensile strength nor the average grain size, since the fatigue resistance of the damage localized regions remains unchanged.
部门归属[liu, r. ; tian, y. z. ; zhang, z. j. ; zhang, p. ; zhang, z. f.] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [liu, r. ; zhang, z. f.] univ chinese acad sci, 19 yuquan rd, beijing 100049, peoples r china
关键词Cu-al Alloy High-cycle Fatigue (Hcf) Fatigue Strength Fatigue Damage Localization Cold Rolling Recrystallization Microstructure Homogeneity
学科领域Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China (NSFC) [51331007, 51501198]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79149
专题中国科学院金属研究所
通讯作者Tian, YZ; Zhang, ZF (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.; Zhang, ZF (reprint author), Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China.
推荐引用方式
GB/T 7714
Liu, R.,Tian, Y. Z.,Zhang, Z. J.,et al. Fatigue strength plateau induced by microstructure inhomogeneity[J]. ELSEVIER SCIENCE SA,2017,702:259-264.
APA Liu, R..,Tian, Y. Z..,Zhang, Z. J..,Zhang, P..,Zhang, Z. F..,...&Zhang, ZF .(2017).Fatigue strength plateau induced by microstructure inhomogeneity.ELSEVIER SCIENCE SA,702,259-264.
MLA Liu, R.,et al."Fatigue strength plateau induced by microstructure inhomogeneity".ELSEVIER SCIENCE SA 702(2017):259-264.
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