Study of adhesive joints under static & fatigue loading

Study of adhesive joints under static & fatigue loading

Baramee PatamaprohmEkkarin Phongphinittana Clément Guinault Vladimir Gantchenko Jacques Renard Jean-Pierre Jeandrau Catherine Peyrac Fabien Lefebvre 

Centre des Matériaux P.M. Fourt Mines-Paris Tech, CNRS UMR 7633 BP87, F-91003 Evry cedex, France

Department of Mechanical and Aerospace Engineering DMIE Center, King Mongkut’s University of Technology North Bangkok 1518 Pibulsongkram Rd., Bangsue, Bangkok 10800, Thailand

CETIM Saint-Étienne, 7 Rue de la Presse, 42000 Saint-Étienne, France

CETIM Senlis, 52 Avenue Félix Louat, 60300 Senlis, France

Corresponding Author Email: 
baramee.patamaprohm@mines-paristech.fr
Page: 
63-85
|
DOI: 
https://doi.org/10.3166/RCMA.26.63-85
Received: 
N/A
|
Accepted: 
N/A
|
Published: 
30 April 2016
| Citation
Abstract: 

This study deals with the characterization of two adhesive joints under quasi static and fatigue loading. Different testing systems were involved. For quasi static loading, the complex behaviour model based on modified Drucker-Prager criterion taken into account hydrostatic stress and rate dependence was proposed to describe the elasto-visco-plastic behaviour of adhesixes. The model's parameters Mere determined and validated from experiments with the aid of finite element simulations (FEM). For fatigue loading, the lifetime of adhesives was studied. S-N curves was established and extended a failure criterion for any number of cycles. Endurance limit was determined for any combination of applied load for one adhesive, while another adhesive showed the endurance limit only in shear loading.

Keywords: 

Drucker-Prager criterion, adhesive joint assembly, FEM simulations, fatigue.

1. Introduction
2. Materials
3. Overview of experiments
4. Static case
5. Fatigue case
6. Conclusions
Acknowledgments

We would like to express our gratitude to the CETIM which supported this work through Etude en fatigue des assemblages collés (Project EFAC).

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