IMECH-IR  > 非线性力学国家重点实验室
A model to predict S-N curves for surface and subsurface crack initiations in different environmental media
Qian GA(钱桂安); Zhou CE(周承恩); Hong YS(洪友士); Hong, YS (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Source PublicationInternational Journal of Fatigue
2015-02-01
Volume71Pages:35-44
ISSN0142-1123
AbstractThe influence of environmental media on crack propagation of a structural steel at high-cycle and very-high-cycle fatigue (VHCF) regimes was investigated with the fatigue tests in air, water and 3.5% NaCl aqueous solution. The fatigue strength in water and 3.5% NaCl solution is significantly decreased and the cracking morphology due to different driving forces is presented. A model is proposed to explain the influence of environmental media on fatigue life, which reflects the variation of fatigue life with applied stress, grain size, inclusion size and material yield stress. The model prediction is in good agreement with experimental observations. (C) 2013 Elsevier Ltd. All rights reserved.
KeywordVery-high-cycle Fatigue Aqueous Environment Fatigue Life Fatigue Crack Initiation Structural Steel
DOI10.1016/j.ijfatigue.2013.11.013
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000350599100006
WOS KeywordHIGH-CYCLE-FATIGUE ; HIGH-STRENGTH STEELS ; FISH-EYE FAILURES ; LOW-ALLOY STEEL ; GIGACYCLE FATIGUE ; INCLUSION SIZE ; HYDROGEN TRANSPORT ; BEARING STEEL ; LIFE REGIME ; BEHAVIOR
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Mechanical ; Materials Science, Multidisciplinary
Funding OrganizationNational Basic Research Program of China [2012CB937500] ; National Natural Science Foundation of China [11172304, 11021262, 11202210]
DepartmentLNM金属材料微结构与力学性能
Classification二类/Q1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49898
Collection非线性力学国家重点实验室
Corresponding AuthorHong, YS (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Qian GA,Zhou CE,Hong YS,et al. A model to predict S-N curves for surface and subsurface crack initiations in different environmental media[J]. International Journal of Fatigue,2015,71:35-44.
APA Qian GA,Zhou CE,Hong YS,&Hong, YS .(2015).A model to predict S-N curves for surface and subsurface crack initiations in different environmental media.International Journal of Fatigue,71,35-44.
MLA Qian GA,et al."A model to predict S-N curves for surface and subsurface crack initiations in different environmental media".International Journal of Fatigue 71(2015):35-44.
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