INVESTIGATION OF THE MIXED-MODE FRACTURE IN DELAMINATION TESTS: NUMERICAL SIMULATIONS USING COHESIVE ZONE AND PARTITIONING METHODS

被引：0
|
作者：
Kacmarcik, Josip [1 ]
Konjatic, Pejo [2 ]
Karac, Aleksandar [1 ]
机构：
[1] Univ Zenica, Fac Mech Engn, Zenica 72000, Bosnia & Herceg
[2] Josip Juraj Strossmayer Univ Osije, Fac Mech Engn Slavonski Brod, Slavonski Brod 35000, Croatia
来源：
TEHNICKI VJESNIK-TECHNICAL GAZETTE | 2015年 / 22卷 / 03期
关键词：
cohesive zone; delamination tests; mixed-mode fracture; mixed-mode partitioning; numerical simulation;
D O I：
10.17559/TV-20140723162324
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Delamination (fracture) tests have been numerically investigated using various cohesive zone properties. The test utilises asymmetric and symmetric double cantilever beam specimens loaded with bending moment. Energy release rate contributions from mode I and mode II fracture are calculated using a global and local approach. Mode-mixities results are presented and analysed. The numerical partitioning results for different configurations are compared to two analytical partitioning theories, namely, after Williams and after Hutchinson and Suo. Opposite to these theories, partitioning is observed to be dependent on cohesive zone properties.
引用
收藏
页码：711 / 719
页数：9
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