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Strength analysis of metallic bonded joints containing defects
Xu W(许巍); Wei YG(魏悦广); Xu, W; Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Source PublicationCOMPUTATIONAL MATERIALS SCIENCE
2012-02-01
Volume53Issue:1Pages:444-450
ISSN0927-0256
AbstractFinite element simulation has been utilized to study the overall strength of metallic single lap joints with defects in their adhesive layers. Three types of defects are taken into account respectively, which are local debonding, weak bonding and void. For the first two types of defects, a developed numerical method using the cohesive zone model modified by user-defined subroutines is carried out as to consider the influences of the defect size and location. Furthermore, a modified-Gurson model is employed to simulate the adhesive layer with voids, considering the influence of the void size. The results show that the overall strength of the joints diminishes as the defect size is increased. Especially, the adhesive fracture properties and the size of the weak bonding region have combined influences on the strength of the joints.
KeywordFinite Element Analysis Cohesive Zone Model Adhesively Bonded Joint Defect Single-lap Joints Cohesive Zone Models Automotive Industry Mechanical-behavior Adhesive Joints Ductile Materials Crack-growth Simulation Thickness Fracture
Subject Area损伤、破坏机理和微结构演化
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000300722900060
Funding OrganizationThis work was supported by the National Natural Science Foundation of China (11021262, 10932011 and 90816004).
DepartmentLNM新型材料及结构的多尺度力学
Classification二类/Q2
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46721
Collection非线性力学国家重点实验室
Corresponding AuthorXu, W; Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Xu W,Wei YG,Xu, W,et al. Strength analysis of metallic bonded joints containing defects[J]. COMPUTATIONAL MATERIALS SCIENCE,2012,53(1):444-450.
APA 许巍,魏悦广,Xu, W,&Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China..(2012).Strength analysis of metallic bonded joints containing defects.COMPUTATIONAL MATERIALS SCIENCE,53(1),444-450.
MLA 许巍,et al."Strength analysis of metallic bonded joints containing defects".COMPUTATIONAL MATERIALS SCIENCE 53.1(2012):444-450.
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