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http://dx.doi.org/10.5139/JKSAS.2009.37.7.627

A Study on the Optimization of Ply Angles for Composite Tube using Design of Experiments  

Park, Byong-Ug (KAIST 기계공학과 대학원)
Seo, Yu-Deok (KAIST 기계공학과 대학원)
Kim, Hyun-Jung (KAIST 기계공학과 대학원)
Youn, Sung-Kie (KAIST 기계공학과)
Lee, Seung-Hoon (한국항공우주연구원 광학 탑재체 그룹)
Lee, Deog-Gyu (한국항공우주연구원 광학 탑재체 그룹)
Lee, Eung-Shik (한국항공우주연구원 광학 탑재체 그룹)
Chang, Su-Young (한국항공우주연구원 광학 탑재체 그룹)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.37, no.7, 2009 , pp. 627-633 More about this Journal
Abstract
Composite has become one of the most frequently used material for a tube of satellite camera due to its attractive characteristics. However, laminated composites can be weakened by delamination which comes from interlaminar stress. Such failure mode cause structural instability of the camera as well as degradation of optical quality. Therefore composite tube should be robust in delamination. Also, composite tube should have high stiffness, sufficient high natural frequency and small coefficient of thermal expansion. The design procedures presented in this paper are based on design of experiments. The experiments for mechanical analysis are designed by the tables of orthogonal arrays. In order to manipulate the various mechanical properties systematically, multiple-attribute decision making(MADM) is employed. Through analysis of variance and F-test, the critical design variables which have dominant influences on mechanical performance are determined. Finally improved ply angles for composite tube are determined.
Keywords
Composite tube; Interlaminar stress; Tables of Orthogonal arrays; MADM;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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