Effect of triaxiality on damage parameters in adhesive

被引：3
|
作者：
Hilmy, I. [1 ]
Wahab, M. M. Abdel [1 ]
Crocombe, A. D. [1 ]
Ashcroft, I. A. [2 ]
Solana, A. G. [1 ]
机构：
[1] Univ Surrey, Sch Engn, Guildford GU2 5XH, Surrey, England
[2] Dept Engn Mech, Loughborough LE11 3TU, Leics, England
来源：
ADVANCES IN FRACTURE AND DAMAGE MECHANICS VI | 2007年 / 348-349卷
关键词：
triaxiality function; damage measurement; continuum damage mechanics; single lap joints; adhesive bonding;
D O I：
10.4028/www.scientific.net/KEM.348-349.37
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Adhesive in joints will have complex stress state rather than bulk adhesives, This will lead to the assumption behind bulk adhesive that triaxiality function (R-v) is equal to one (uni-axial stress state) is not valid anymore. In this paper, new procedure to find damage parameters alpha and beta for single-lap joints has been developed based on global damage of adhesive joints. With this procedure, damage parameters alpha and beta have been found. Validating the procedure by calculating the number of cycles to failure (N-f) has been performed successfully. The accuracy of the damage evolution equation is less than 2 %.
引用
收藏
页码：37 / +
页数：3
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