An experimental study on the effect of tow variations on compressive characteristics of plain weave carbon/epoxy composites under compressions
- Authors
- Yoo, Seong-Hwan; Park, Seok-Won; Chang, Seung-Hwan
- Issue Date
- Feb-2010
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Shear angle; Crimp angle; Static compressive test; Compression-compression fatigue test; Compliance ratio
- Citation
- COMPOSITE STRUCTURES, v.92, no.3, pp 736 - 744
- Pages
- 9
- Journal Title
- COMPOSITE STRUCTURES
- Volume
- 92
- Number
- 3
- Start Page
- 736
- End Page
- 744
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/22658
- DOI
- 10.1016/j.compstruct.2009.09.012
- ISSN
- 0263-8223
1879-1085
- Abstract
- The effect of tow deformation on the static and fatigue characteristics of fabric composites under compression was investigated by experimental approach. Sheared specimens made of plain weave carbon/epoxy prepregs were prepared using a picture frame rig and the shear angles were 0 degrees, 16 degrees, vertical bar 26 degrees, 34 degrees, 46 degrees. To verify the effect of the tow variations of the fabric composites on compressive characteristics, the unidirectional composite specimens composed of the same fibre and matrix system with the same stacking sequences as the fabric composites were prepared for comparison. The static compressive test results showed that the static compressive strength of sheared fabric specimens was lower than that of the unidirectional specimens with the same stacking angle. On the other hand, the fatigue test results showed that fatigue life of sheared fabric specimens was higher than that of the unidirectional specimens for mild shear deformation cases. it was proved that these results were fully affected by the tow deformation caused by the shear deformation of the fabric specimens. The compression-compress ion fatigue behaviours of sheared fabric specimens were verified by appropriate unit-cell models. (C) 2009 Elsevier Ltd. All rights reserved.
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Collections - College of Engineering > School of Mechanical Engineering > 1. Journal Articles
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