Subcritical damage mechanisms of bolted joints in CFRP composite laminates

被引：54

作者：

Atas, A. ^{[1
]}

Soutis, C. ^{[2
]}

机构：

[1] Balikesir Univ, Dept Mech Engn, TR-10145 Balikesir, Turkey

[2] Univ Manchester, Fac Engn & Phys Sci, Manchester M13 9PL, Lancs, England

来源：

COMPOSITES PART B-ENGINEERING | 2013年 / 54卷

关键词：

Polymer-matrix composites (PMCs); Mechanical testing; Radiography; Joints/joining; Subcritical damage mechanisms; COMPRESSIVE STRENGTH; STACKING-SEQUENCE; BEARING STRENGTHS; FAILURE; HOLE;

D O I：

10.1016/j.compositesb.2013.04.071

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A detailed experimental programme is presented that was conducted in order to establish a data base for strength and subcritical damage mechanisms of bolted joints in CFRP composite laminates. Single fastener double-shear tensile tests for various joint geometries were performed for a range of cross-ply and quasi-isotropic lay-ups of HTS40/977-2 CFRP material system. Penetrant enhanced X-ray radiography was used to define the subcritical damage locations which are of great importance when modelling the failure response of the joints. It is suggested that the subcritical damage planes can be modelled using cohesive zone elements (CZEs) in order to develop physically based strength prediction methods for bolted joints in CFRP laminates. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：20 / 27

页数：8

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