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Analysis on failure mechanism of scarf joints with brittleductile adhesives subjected to uniaxial tensile loads
Liao LJ(廖丽娟)1; Sawa T2; Huang CG(黄晨光)1
2013
会议名称ASME 2013 International Mechanical Engineering Congress and Exposition, IMECE 2013
会议日期November 15, 2013 - November 21, 2013
会议地点San Diego, CA, United states
会议录名称ASME 2013 International Mechanical Engineering Congress and Exposition, IMECE 2013
DOI10.1115/IMECE2013-62854
摘要The failure mechanism of scarf joints with a series of angles and brittle-ductile adhesives subjected to uniaxial tensile loads is analyzed by using a numerical method which employs a cohesive zone model (CZM) with a bilinear shape in mixedmode (mode I and II). The adopted methodology is validated via comparisons between the present simulated results and the existing experimental measurements, which illustrate that the load-bearing capacity increases as the scarf angle decreases. More important, it is observed that the failure of the joint is governed by not only the ultimate tensile loads, but also the applied tensile displacement until complete failure, which is related to the brittle-ductile properties of the adhesive layer. In addition, failure energy, which is defined by using the area of the load-displacement curve of the joint, is adopted to estimate the joint strength. Subsequently, the numerical results show that the strength of the joint adopting ductile adhesive with higher failure energy is higher than that of the joint using brittle adhesive with lower failure energy. Copyright © 2013 by ASME.
关键词Adhesives Numerical methods Safety engineering Tensile stress Cohesive zone model Ductile adhesives Ductile properties Failure mechanism Load bearing capacity Load displacement curve Simulated results Tensile displacement
ISBN号9780791856192
收录类别EI
语种英语
引用统计
文献类型会议论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77994
专题流固耦合系统力学重点实验室
作者单位1.Institute of Mechanics, Chinese Academy of Sciences, 15, Beisihuan West Road, Beijing, 100190, China;
2.Graduate School of Engineering, Hiroshima University, 1-4, Kagamiyama, Higashihiroshima, Hiroshima, 739-8527, Japan
推荐引用方式
GB/T 7714
Liao LJ,Sawa T,Huang CG. Analysis on failure mechanism of scarf joints with brittleductile adhesives subjected to uniaxial tensile loads[C],2013.
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