Analysis of water absorption on the efficiency of bonded composite repair of aluminum alloy panels-Reference-Cited by-同舟云学术

Analysis of water absorption on the efficiency of bonded composite repair of aluminum alloy panels

Published:2024-01-01 Issue:1 Volume:31 Page:
ISSN:2191-0359
Container-title:Science and Engineering of Composite Materials
language:en
Short-container-title:

Author:

Ahmed Faraz¹,Mhamdia Rachid²,Mohammed Sohail M. A. K.³,Benyahia Faycal¹,Albedah Abdulmohsen¹,Bachir Bouiadjra Bel Abbes²¹

Affiliation:

1. Mechanical Engineering Department, College of Engineering, King Saud University , Riyadh , Saudi Arabia

2. LMPM, Department of Mechanical Engineering, University of Sidi Bel Abbes , BP 89, Cité Ben M’hidi , Sidi Bel Abbes , 22000 , Algeria

3. Department of Mechanical and Materials Engineering, Florida International University , 10555 West Flagler Street , Miami , FL, 33174 , USA

Abstract

Abstract Carbon fiber-reinforced polymer (CFRP) exhibits aging effects over time that can degrade its mechanical properties. In this study, a systematic investigation was carried out to investigate the effect of distilled water aging on the mechanical properties of CFRP composite patch bonded on Al 2024-T3 plates. We built a finite element model to analyze the effect of water absorption by the composite and the adhesive on the effectiveness of the composite patch repair. Using the experimentally evaluated mechanical properties of CFRP and Araldite adhesive subjected to distilled water immersion, finite element simulations were validated. The experimental observations deduce that there was a negligible effect of moisture absorption on the bulk mechanical properties of CFRP and adhesive over time. However, a significant effect of moisture absorption was observed on the elasto-plastic behavior of both CFRP and adhesive. Consequently, the numerical simulations suggest that the moisture absorption reduces the bonded composite patch repair efficiency attributed to an increase in the plasticity around the crack front and accordingly increases the damage in the adhesive layer. This study attempts to provide guidelines on the severity of damage caused by water absorption on the performance of structures repaired with composite patches.

Publisher

Walter de Gruyter GmbH

Link

https://www.degruyter.com/document/doi/10.1515/secm-2022-0235/pdf

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