A study on fatigue crack propagation in thick composite adhesively bonded joints

被引：18

作者：

Bernasconi, A. ^{[1
]}

Jamil, A. ^{[1
]}

Moroni, F. ^{[2
]}

Pirondi, A. ^{[3
]}

机构：

[1] Univ Milan, Dipartimento Meccan, Milan, Italy

[2] Univ Parma, Ctr Interdipartimentale SITEIA PARMA, I-43100 Parma, Italy

[3] Univ Parma, Dipartimento Ingn Ind, I-43100 Parma, Italy

来源：

INTERNATIONAL JOURNAL OF FATIGUE | 2013年 / 50卷

关键词：

Composite laminates; Adhesively bonded joints; Fatigue crack growth; Double cantilever beam; Single lap joints; PREDICTION; BEHAVIOR; LIFETIME;

D O I：

10.1016/j.ijfatigue.2012.05.018

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The fatigue crack propagation in adhesively bonded, thick composite joints was investigated experimentally using double cantilever beam and single lap joint specimens. The crack growth was modelled using a fracture mechanics model based on finite element models. The parameters of the Paris law were derived from fracture mechanics tests on double cantilever beam joints. The fatigue crack propagation in tapered single lap joints was modelled using these parameters and results compared with fracture observations. In both the fatigue tests on single lap and DCB joints complex crack paths were observed, with a combination of cohesive failure and delaminations. In spite of the complexity of the crack growth behaviour, a numerical model, based on the crack propagation in the adhesive layer only, allowed for predicting the crack growth behaviour observed during fatigue tests on single lap joints with relatively good accuracy. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：18 / 25

页数：8

共 16 条

[1]

[Anonymous], 1999, 343399 ASTM INT

[2]

Ashcroft IA, 2008, MODELLING ADHESIVELY

[3] Local Stress Analysis of the Fatigue Behaviour of Adhesively Bonded Thick Composite Laminates [J].