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Evaluating the strengths of thick aluminum-to-aluminum joints with different adhesive lengths and thicknesses
- Authors
- Park, Jae-Hyun; Choi, Jin-Ho; Kweon, Jin-Hwe
- Issue Date
- Aug-2010
- Publisher
- Elsevier BV
- Keywords
- Adhesive joint; Damage zone theory; Cohesive failure
- Citation
- Composite Structures, v.92, no.9, pp 2226 - 2235
- Pages
- 10
- Indexed
- SCIE
SCOPUS
- Journal Title
- Composite Structures
- Volume
- 92
- Number
- 9
- Start Page
- 2226
- End Page
- 2235
- ISSN
- 0263-8223
1879-1085
- Abstract
- Composite joints are often the weakest elements in composite structures. In this paper, we propose a modified version of the damage zone theory based on the yield strain ratio. We use this framework to predict failure loads for various adhesive joints. Thick aluminum-to-aluminum joint specimens with eight different adhesive lengths and four adhesive thicknesses were manufactured and tested. The strengths of different adhesive lengths could be predicted to within 15.4% using the damage zone ratio method. In addition, the strengths of joints that feature different adhesive thicknesses were predicted to within 16.3% using the damage zone ratio method. (C) 2009 Elsevier Ltd. All rights reserved.
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