Characterizing cohesive zone model using a mixed-mode direct method

被引：33
|
作者：
Khoramishad, H. [1 ]
Hamzenejad, M. [1 ]
Ashofteh, R. S. [1 ]
机构：
[1] Iran Univ Sci & Technol, Sch Mech Engn, Welding & Joining Res Lab, Tehran 16846, Iran
来源：
ENGINEERING FRACTURE MECHANICS | 2016年 / 153卷
关键词：
Cohesive zone model; Adhesively bonded joints; Double cantilever beam; End notch flexure; Mixed-mode bending; ADHESIVELY BONDED JOINTS; FRACTURE-TOUGHNESS; DELAMINATION; COMPOSITES; SPECIMENS; CONCRETE; LAWS; INTERFACES;
D O I：
10.1016/j.engfracmech.2015.10.045
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In this paper, a direct method was proposed for determining the traction-separation laws (TSL) of cohesive zone model in modes I, II and mixed-mode using a mixed mode bending (MMB) specimen tested in different mixed-mode ratios and a compliance based beam method. The method was applied on adhesively bonded joints. TSLs obtained using the proposed method were in good agreement with TSLs obtained independently from double cantilever beam (DCB) and end notch flexure (ENF) tests representing pure mode stress states. Moreover, the mechanical behaviors of the MMB, DCB and ENF specimens were reasonably well predicted using the obtained TSLs. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：175 / 189
页数：15
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