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Fatigue crack growth behavior in gradient microstructure of hardened surface layer for an axle steel
Zhang, Shijia; Xie JJ(谢季佳); Jiang, Qingqing; Zhang, Xiaole; Sun CQ(孙成奇); Hong YS(洪友士); Hong, YS (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
2017-07-17
Volume700Pages:66-74
ISSN0921-5093
AbstractThis paper experimentally investigated the behavior of fatigue crack growth of an axle steel with a surface strengthened gradient microstructure layer. First, the microstructure, residual stress and mechanical properties were examined as a function of depth from surface. Then the fatigue crack growth rate was measured via three point bending fatigue testing. The results indicated that fatigue crack growth rate decelerated first and then accelerated with the increase of crack length within the gradient layer. Especially, the fatigue crack was arrested in the gradient layer under relatively low stress amplitude due to the increase of threshold value for crack growth within the range of 3 mm from surface. Based on these results, the parameters of Paris equation and the threshold value of stress intensity factor range within the gradient layer were determined and a curved surface was constructed to correlate crack growth rate with stress intensity factor range and the depth from surface. The effects of microstructure, residual stress and surface notch on the crack growth behavior were also discussed.
KeywordFatigue Crack Growth Surface Strengthening Gradient Microstructure Residual Stress Crack Arrest
DOI10.1016/j.msea.2017.05.104
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000406564300009
WOS KeywordHIGH-CYCLE FATIGUE ; AUSTENITIC STAINLESS-STEEL ; RESIDUAL-STRESSES ; ALUMINUM-ALLOY ; ASPECT RATIO ; GRAIN-SIZE ; STRENGTH ; RESISTANCE ; CARBURIZATION ; PROPAGATION
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China(11572325) ; Chinese Academy of Sciences(XDB22040503 ; XDB22020201)
DepartmentLNM实验平台 ; LNM微结构计算力学
Classification一类
Ranking1
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/70056
Collection非线性力学国家重点实验室
Corresponding AuthorHong, YS (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, Shijia,Xie JJ,Jiang, Qingqing,et al. Fatigue crack growth behavior in gradient microstructure of hardened surface layer for an axle steel[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2017,700:66-74.
APA Zhang, Shijia.,谢季佳.,Jiang, Qingqing.,Zhang, Xiaole.,孙成奇.,...&Hong, YS .(2017).Fatigue crack growth behavior in gradient microstructure of hardened surface layer for an axle steel.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,700,66-74.
MLA Zhang, Shijia,et al."Fatigue crack growth behavior in gradient microstructure of hardened surface layer for an axle steel".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 700(2017):66-74.
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