Numerical Assessment on the Fatigue Behavior of Composite Open-Hole Tensile Specimens

被引：0
作者：
Russo, Angela [1 ]
Russo, Federica [1 ]
Palumbo, Concetta [1 ]
Riccio, Aniello [1 ]
机构：
[1] Univ Campania L Vanvitelli, Dept Engn, Via Roma 29, I-81031 Aversa, CE, Italy
来源：
MACROMOLECULAR SYMPOSIA | 2022年 / 404卷 / 01期
关键词：
composite materials; fatigue loads; finite elements models; intralaminar damages; UNIAXIAL FATIGUE; FAILURE; MODEL;
D O I：
10.1002/masy.202100454
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
This paper deals with the fatigue failure of composite coupon characterized by circular hole and subjected to tensile cyclic loading conditions. A limited sensitivity analysis has been performed to study the onset and propagation of intralaminar damages, in terms of fibers and matrix failure. The residual strength material properties degradation model, proposed by Shokrieh and Lessard, has been implemented in the FEM code ANSYS Mechanical and employed to study the damages induced by stress concentrations and assess the effects of the stacking sequence and the geometrical parameters on the fatigue damage.
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