IMECH-IR  > 力学所知识产出(1956-2008)
Fracture criterion based on the higher-order asymptotic fields
Wei YG(魏悦广); Wang ZQ(王自强); Wei, YG (reprint author), ACAD SINICA,INST MECH,LNM,BEIJING 100080,PEOPLES R CHINA.
Source PublicationInternational Journal of Fracture
1995
Volume73Issue:1Pages:39-50
ISSN0376-9429
AbstractA complete development for the higher-order asymptotic solutions of the crack tip fields and finite element calculations for mode I loading of hardening materials in plane strain are performed. The results show that in the higher-order asymptotic solution (to the twentieth order), only three coefficients are independent. These coefficients are determined by matching with the finite element solutions carried out in the present paper (our attention is focused on the first five terms of the higher-order asymptotic solution). We obtain an analytic characterization of crack tip fields, which conform very well to the finite element solutions over wide range. A modified two parameter criterion based on the asymptotic solution of five terms is presented. The upper bound and lower bound fracture toughness curves predicted by modified two parameter criterion are given. These two curves agree with most of the experimental data and fully capture the proper trend.
KeywordCrack-tip Fields Triaxiality Parameter Family Terms
Indexed BySCI
Language英语
WOS IDWOS:A1995TM71000004
WOS KeywordCRACK-TIP FIELDS ; TRIAXIALITY PARAMETER ; FAMILY ; TERMS
WOS Research AreaMaterials Science ; Mechanics
WOS SubjectMaterials Science, Multidisciplinary ; Mechanics
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/39170
Collection力学所知识产出(1956-2008)
Corresponding AuthorWei, YG (reprint author), ACAD SINICA,INST MECH,LNM,BEIJING 100080,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
Wei YG,Wang ZQ,Wei, YG . Fracture criterion based on the higher-order asymptotic fields[J]. International Journal of Fracture,1995,73,1,:39-50.
APA 魏悦广,王自强,&Wei, YG .(1995).Fracture criterion based on the higher-order asymptotic fields.International Journal of Fracture,73(1),39-50.
MLA 魏悦广,et al."Fracture criterion based on the higher-order asymptotic fields".International Journal of Fracture 73.1(1995):39-50.
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