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Weibull stress analysis in local approach to fracture
Li YB1,3; Wang ZH1; Lei YB1,4; Qian GA(钱桂安)2; Zhou MJ1,3; Gao ZL1,3; Berto F5
Corresponding AuthorQian, Guian(qianguian@imech.ac.cn) ; Zhou, Mingjue(zhoumingjue@zjut.edu.cn)
Source PublicationTHEORETICAL AND APPLIED FRACTURE MECHANICS
2019-12-01
Volume104Pages:11
ISSN0167-8442
AbstractAs a measure of the probability of cleavage fracture, the Weibull stress within the framework of local approach has the potential capability to predict constraint effects on fracture of structural steels. This paper mainly analyzes Weibull stress considering constraint effect using constraint parameters T-stress and Q. Weibull stress is solved with constraint effects characterized by T-stress for elastic material and Q for elastic plastic material. These solutions are verified with existing solutions for T = 0 and finite element solutions including modified boundary layer models, contact tension models and single-edge bend models. Good agreement has been obtained in all cases. The Weibull stress solutions can be further adopted to predict scale fracture toughness.
KeywordWeibull stress Local approach Fracture T-stress Constraint effect
DOI10.1016/j.tafmec.2019.102379
Indexed BySCI ; EI
Language英语
WOS IDWOS:000505101300037
WOS KeywordCLEAVAGE FRACTURE ; ENGINEERING METHODOLOGY ; CONSTRAINT CORRECTIONS ; TRIAXIALITY PARAMETER ; SPECIMEN GEOMETRY ; PLASTIC STRAIN ; T-STRESS ; TOUGHNESS ; FAMILY
WOS Research AreaEngineering ; Mechanics
WOS SubjectEngineering, Mechanical ; Mechanics
Funding ProjectNational Natural Science Foundation of China[51605435] ; National Natural Science Foundation of China[11602219] ; National Natural Science Foundation of China[11872364] ; CAS Hundred Talents Program
Funding OrganizationNational Natural Science Foundation of China ; CAS Hundred Talents Program
Classification二类
Ranking1
ContributorQian, Guian ; Zhou, Mingjue
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/81267
Collection非线性力学国家重点实验室
Affiliation1.Zhejiang Univ Technol, Inst Proc Equipment & Control Engn, Hangzhou 310032, Zhejiang, Peoples R China;
2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China;
3.Zhejiang Univ Technol, Minist Educ, Engn Res Ctr Proc Equipment & Remfg, Hangzhou 310032, Zhejiang, Peoples R China;
4.EDF Energy Nucl Generat Ltd, Barnett Way, Gloucester GL4 3R5, England;
5.Norwegian Univ Sci & Technol NTNU, Dept Mech & Ind Engn, Richard Birkelands Vei 2b, N-7491 Trondheim, Norway
Recommended Citation
GB/T 7714
Li YB,Wang ZH,Lei YB,et al. Weibull stress analysis in local approach to fracture[J]. THEORETICAL AND APPLIED FRACTURE MECHANICS,2019,104:11.
APA Li YB.,Wang ZH.,Lei YB.,钱桂安.,Zhou MJ.,...&Berto F.(2019).Weibull stress analysis in local approach to fracture.THEORETICAL AND APPLIED FRACTURE MECHANICS,104,11.
MLA Li YB,et al."Weibull stress analysis in local approach to fracture".THEORETICAL AND APPLIED FRACTURE MECHANICS 104(2019):11.
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