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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
Source PublicationPERGAMON-ELSEVIER SCIENCE LTD
ISSN1359-6462
Volume140Pages:76-81
AbstractWe 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.
description.department[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
KeywordHigh-mn Twip Steels Tension Low-cycle Fatigue Damage Mechanism Life Prediction
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China (NSFC) [51301179, 51331007, 51501198, U1664253]; Shenyang National Laboratory for Materials Science [2017FP24]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79027
Collection中国科学院金属研究所
Corresponding AuthorZhang, P; Zhang, ZF (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
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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