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Effects of defects on fatigue behavior of TC17 titanium alloy for compressor blades: Crack initiation and modeling of fatigue strength
Chi, Weiqian1; Wang, Wenjing1; Xu, Wei2; Li, Gen3; Chen, Xin2; Sun CQ(孙成奇)3,4
Corresponding AuthorWang, Wenjing(wjwang@bjtu.edu.cn) ; Sun, Chengqi(scq@lnm.imech.ac.cn)
Source PublicationENGINEERING FRACTURE MECHANICS
2022
Volume259Pages:13
ISSN0013-7944
AbstractS-N data of TC17 titanium alloy with surface defects exhibits plateau region (105-109 cycles) feature. The effects of defects are greatly related to the defect size. When the defect size is bigger than the critical one, the crack initiates from the defect, and the fatigue strength sigma w incorporating the effects of defects could be expressed as sigma w = C(root of the projection area of defect perpendicular to the principal stress direction, C and n are parameters. The model is also validated by the experimental results of metallic materials in literature.
KeywordTC17 titanium alloy Surface defect Very high cycle fatigue Crack initiation Fatigue strength prediction
DOI10.1016/j.engfracmech.2021.108136
Indexed BySCI ; EI
Language英语
WOS IDWOS:000729000700003
WOS KeywordHIGH-CYCLE-FATIGUE ; STRESS RATIO ; TI-6AL-4V ; LIMIT ; MECHANISM ; GROWTH ; STEEL
WOS Research AreaMechanics
WOS SubjectMechanics
Funding ProjectNational Natural Science Foundation of China[91860112] ; National Natural Science Foundation of China Basic Science Center for Multiscale Problems in Nonlinear Mechanics[11988102] ; Science and Technology Research and Development Program of China State Railway Group Co., Ltd.[P2020J024]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China Basic Science Center for Multiscale Problems in Nonlinear Mechanics ; Science and Technology Research and Development Program of China State Railway Group Co., Ltd.
Classification二类/Q1
Ranking1
ContributorWang, Wenjing ; Sun, Chengqi
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/87985
Collection非线性力学国家重点实验室
Affiliation1.Beijing Jiaotong Univ, Key Lab Vehicle Adv Mfg Measuring & Control Techn, Minist Educ, Beijing 100044, Peoples R China;
2.Aero Engine Corp China, Key Lab Aeronaut Mat Testing & Evaluat, Beijing Key Lab Aeronaut Mat Testing & Evaluat, Beijing Inst Aeronaut Mat, Beijing 100095, Peoples R China;
3.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China;
4.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Chi, Weiqian,Wang, Wenjing,Xu, Wei,et al. Effects of defects on fatigue behavior of TC17 titanium alloy for compressor blades: Crack initiation and modeling of fatigue strength[J]. ENGINEERING FRACTURE MECHANICS,2022,259:13.
APA Chi, Weiqian,Wang, Wenjing,Xu, Wei,Li, Gen,Chen, Xin,&孙成奇.(2022).Effects of defects on fatigue behavior of TC17 titanium alloy for compressor blades: Crack initiation and modeling of fatigue strength.ENGINEERING FRACTURE MECHANICS,259,13.
MLA Chi, Weiqian,et al."Effects of defects on fatigue behavior of TC17 titanium alloy for compressor blades: Crack initiation and modeling of fatigue strength".ENGINEERING FRACTURE MECHANICS 259(2022):13.
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