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Butterfly effect in low-cycle fatigue: Importance of microscopic damage mechanism
Shao, C. W.; Zhang, P.; Zhang, Z. J.; Zhang, Z. F.; Zhang, P; Zhang, ZF (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
2017-11-01
发表期刊PERGAMON-ELSEVIER SCIENCE LTD
ISSN1359-6462
卷号140页码:76-81
摘要We report that materials with similar tensile properties can also exhibit quite different low-cycle fatigue (LCF) performances. Experimental results demonstrate that the LCF properties of twinning induced plasticity (TWIP) steels are naturally dominated by microscopic deformation mechanisms (mainly dislocation slip mode), which slightly influences the initial work hardening. However, such slight difference in the initial work hardening (the butterfly effect), corresponding to different damage mechanisms, accumulates and enlarges cycle by cycle during fatigue, finally leading to wide variations in cyclic stress response and fatigue life. (C) 2017 Acta Materialia Inc Published by Elsevier Ltd. All rights reserved.; We report that materials with similar tensile properties can also exhibit quite different low-cycle fatigue (LCF) performances. Experimental results demonstrate that the LCF properties of twinning induced plasticity (TWIP) steels are naturally dominated by microscopic deformation mechanisms (mainly dislocation slip mode), which slightly influences the initial work hardening. However, such slight difference in the initial work hardening (the butterfly effect), corresponding to different damage mechanisms, accumulates and enlarges cycle by cycle during fatigue, finally leading to wide variations in cyclic stress response and fatigue life. (C) 2017 Acta Materialia Inc Published by Elsevier Ltd. All rights reserved.
部门归属[shao, c. w. ; zhang, p. ; zhang, z. j. ; zhang, z. f.] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, liaoning, peoples r china ; [shao, c. w. ; zhang, z. f.] univ chinese acad sci, beijing 100049, peoples r china
关键词High-mn Twip Steels Tension Low-cycle Fatigue Damage Mechanism Life Prediction
学科领域Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China (NSFC) [51301179, 51331007, 51501198, U1664253]; Shenyang National Laboratory for Materials Science [2017FP24]
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/321006/79027
专题中国科学院金属研究所
通讯作者Zhang, P; Zhang, ZF (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Shao, C. W.,Zhang, P.,Zhang, Z. J.,et al. Butterfly effect in low-cycle fatigue: Importance of microscopic damage mechanism[J]. PERGAMON-ELSEVIER SCIENCE LTD,2017,140:76-81.
APA Shao, C. W.,Zhang, P.,Zhang, Z. J.,Zhang, Z. F.,Zhang, P,&Zhang, ZF .(2017).Butterfly effect in low-cycle fatigue: Importance of microscopic damage mechanism.PERGAMON-ELSEVIER SCIENCE LTD,140,76-81.
MLA Shao, C. W.,et al."Butterfly effect in low-cycle fatigue: Importance of microscopic damage mechanism".PERGAMON-ELSEVIER SCIENCE LTD 140(2017):76-81.
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