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Enhanced high-cycle fatigue resistance of 304 austenitic stainless steel with nanotwinned grains
Cui, F.1,2; Pan, Q. S.1; Tao, N. R.1; Lu, L.1
Corresponding AuthorLu, L.(llu@imr.ac.cn)
2021-02-01
Source PublicationINTERNATIONAL JOURNAL OF FATIGUE
ISSN0142-1123
Volume143Pages:11
AbstractIntroducing high density of nanotwins (NT) into metals is regarded an effective strategy to achieve superior mechanical properties. Our study shows that heterogeneous structured 304 austenitic stainless steel comprising of NT and micrometer-sized grains with a lower strength exhibits a comparable fatigue strength and larger fatigue limit/strength ratio, compared to its counterpart comprising of grains with NT and dislocation structures, distinct from the traditional fatigue view. Such superior high-cycle fatigue resistance arises from a weakened strain-localized fatigue mechanism where some NT grains co-deform plastically with a large volume fraction of surrounding microsized grains with enhanced dislocation slipping and martensitic transformation.
KeywordNanotwin Austenitic stainless steel Fatigue property Cyclic deformation Strain localization
Funding OrganizationNational Science Foundation of China (NSFC) ; Key Research Program of Frontier Science and International partnership program ; CAS, and LiaoNing Revitalization Talents Program ; SYNL Program ; NSFC ; Youth Innovation Promotion Association CAS
DOI10.1016/j.ijfatigue.2020.105994
Indexed BySCI
Language英语
Funding ProjectNational Science Foundation of China (NSFC)[U1608257] ; National Science Foundation of China (NSFC)[51931010] ; Key Research Program of Frontier Science and International partnership program[GJHZ2029] ; CAS, and LiaoNing Revitalization Talents Program[XLYC1802026] ; SYNL Program ; NSFC[51601196 52071321] ; Youth Innovation Promotion Association CAS[2019196]
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Mechanical ; Materials Science, Multidisciplinary
WOS IDWOS:000597144800003
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/158675
Collection中国科学院金属研究所
Corresponding AuthorLu, L.
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 230026, Peoples R China
Recommended Citation
GB/T 7714
Cui, F.,Pan, Q. S.,Tao, N. R.,et al. Enhanced high-cycle fatigue resistance of 304 austenitic stainless steel with nanotwinned grains[J]. INTERNATIONAL JOURNAL OF FATIGUE,2021,143:11.
APA Cui, F.,Pan, Q. S.,Tao, N. R.,&Lu, L..(2021).Enhanced high-cycle fatigue resistance of 304 austenitic stainless steel with nanotwinned grains.INTERNATIONAL JOURNAL OF FATIGUE,143,11.
MLA Cui, F.,et al."Enhanced high-cycle fatigue resistance of 304 austenitic stainless steel with nanotwinned grains".INTERNATIONAL JOURNAL OF FATIGUE 143(2021):11.
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