Use of the Iosipescu test for the identification of shear damage evolution laws of an orthotropic composite

被引：28

作者：

Bru, Thomas ^{[1
,2
]}

Olsson, Robin ^{[1
]}

Gutkin, Renaud ^{[1
]}

Vyas, Gaurav M. ^{[1
]}

机构：

[1] Swerea SICOMP AB, SE-43122 Molndal, Sweden

[2] Chalmers, Div Mat & Computat Mech, Dept Appl Mech, SE-41296 Gothenburg, Sweden

来源：

COMPOSITE STRUCTURES | 2017年 / 174卷

关键词：

Shear testing; Thermosetting resin; Fabrics/textiles; Finite element analysis (FEA); Continuum damage mechanics CDM; FIBER-REINFORCED COMPOSITES; OF-PLANE SHEAR; STRAIN; FAILURE; INPLANE; SPECIMEN; FRICTION; BEHAVIOR; GROWTH; MODEL;

D O I：

10.1016/j.compstruct.2017.04.068

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The experimental evaluation of the shear response of fibre-reinforced plies is a requirement for accurate material models predicting progressive damage. In the first part of the paper, the quality of the Iosipescu shear test is investigated with full-field strain measurements and finite element analyses. In the second part, the in-plane and through-thickness shear response of an orthotropic carbon/epoxy uni-weave non-crimp fabric composite are compared, and the stress-strain curves used as input for two continuum damage mechanics models. Both models were able to predict accurately the nonlinear shear behaviour of the material. The model parameters and the damage evolution laws could easily be extracted from cyclic Iosipescu tests. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：319 / 328

页数：10

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