Characterization and modelling of the viscous behaviour of adhesives using the modified Arcan device

被引：14
作者：
Badulescu, Claudiu [1 ]
Germain, Celia [1 ]
Cognard, Jean-Yves [1 ]
Carrere, Nicolas [1 ]
机构：
[1] Univ Brest, LBMS, ENSTA Bretagne, Brest, France
来源：
JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY | 2015年 / 29卷 / 05期
关键词：
temperature; time-dependent behaviour; inverse identification; Arcan tests; visco-elasticity; FINITE-ELEMENT SIMULATION; BONDED ASSEMBLIES; NONLINEAR BEHAVIOR; CONSTITUTIVE MODEL; EPOXY ADHESIVE; LAP JOINTS; FAILURE; DAMAGE; CREEP; STRENGTH;
D O I：
10.1080/01694243.2014.991483
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The non-linear behaviour of an epoxy adhesive has been studied thanks to the use of a modified Arcan test device. Multilevel creep tests have been performed in order to characterize the time-dependent behaviour. A visco-elastic model has been chosen to describe the behaviour of the adhesive. This model is based on the decomposition of the visco-elastic strain into elementary viscous mechanisms. The non-linear behaviour of the visco-elasticity is taken into account thanks to a non-linear function which depends on the stress. A specific identification procedure based on a single test has been proposed. Finally, the model has been validated using tests that have not been used for the identification. The model proposed in this paper enables the time-dependent non-linear behaviour of adhesives to be reproduced in a correct manner.
引用
收藏
页码：443 / 461
页数：19
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