IMECH-IR  > 非线性力学国家重点实验室
Effects of inclusion size and stress ratio on the very-high-cycle fatigue behavior of pearlitic steel
Cong, Tao1,2; Qian, Guian3; Zhang, Guanzhen2; Wu, Si2; Pan, Xiangnan3; Du, Leiming4; Liu, Xiaolong1
Corresponding AuthorLiu, Xiaolong(liuxiaolong@bjtu.edu.cn)
Source PublicationINTERNATIONAL JOURNAL OF FATIGUE
2021
Volume142Pages:11
ISSN0142-1123
AbstractThe effects of inclusion size and stress ratio (R) on the very-high-cycle fatigue (VHCF) behavior of pearlitic steel were experimentally assessed. The S-N curve under rotating bending loading exhibited a horizontal asymptote shape and a clear fatigue limit. In contrast, the S-N curve under ultrasonic axial loading exhibited a continuously descending shape, and the fatigue limit disappeared at a fatigue life of 10(7) cycles. The fine granular area (FGA) within nanograins formed in the crack initiation region only for the samples subjected to VHCF at R = -1. All instances of interior crack initiation were caused by the MnS inclusions.
KeywordPearlitic steel Very-high-cycle fatigue Inclusion size Stress ratio Nanograins
DOI10.1016/j.ijfatigue.2020.105958
Indexed BySCI
Language英语
WOS IDWOS:000591573400002
WOS KeywordHIGH-STRENGTH STEELS ; SUBSURFACE CRACK INITIATION ; ROLLING-CONTACT FATIGUE ; CR-NI-STEELS ; DEFORMATION-BEHAVIOR ; RAILWAY WHEELS ; LIFE ; PROPAGATION ; REGIME ; MECHANISMS
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Mechanical ; Materials Science, Multidisciplinary
Funding ProjectNational Natural Science Foundation of China[11802011] ; National Key Research and Development Program of China[2017YFB0702004] ; Development Project of China Railway[J2019J004] ; China Academy of Railway Sciences Corporation Limited[2019YJ097]
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China ; Development Project of China Railway ; China Academy of Railway Sciences Corporation Limited
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/85575
Collection非线性力学国家重点实验室
Corresponding AuthorLiu, Xiaolong
Affiliation1.Beijing Jiaotong Univ, Sch Mech Elect & Control Engn, Beijing 100044, Peoples R China
2.China Acad Railway Sci Corp Ltd, Met & Chem Res Inst, Beijing 100081, Peoples R China
3.Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China
4.Harbin Inst Technol, Sch Sci, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Cong, Tao,Qian, Guian,Zhang, Guanzhen,et al. Effects of inclusion size and stress ratio on the very-high-cycle fatigue behavior of pearlitic steel[J]. INTERNATIONAL JOURNAL OF FATIGUE,2021,142:11.
APA Cong, Tao.,Qian, Guian.,Zhang, Guanzhen.,Wu, Si.,Pan, Xiangnan.,...&Liu, Xiaolong.(2021).Effects of inclusion size and stress ratio on the very-high-cycle fatigue behavior of pearlitic steel.INTERNATIONAL JOURNAL OF FATIGUE,142,11.
MLA Cong, Tao,et al."Effects of inclusion size and stress ratio on the very-high-cycle fatigue behavior of pearlitic steel".INTERNATIONAL JOURNAL OF FATIGUE 142(2021):11.
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