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http://dx.doi.org/10.5139/JKSAS.2003.31.1.025

Strength of Unidirectional and Fabric Hybrid Laminate Joints  

An,Hyeon-Su (경상대학교 대학원 항공공학과)
Sin,So-Yeong (경상대학교 대학원 항공공학과)
Gwon,Jin-Hui (경상대학교 기계항공공학부 공학연구원)
Choe,Jin-Ho (경상대학교 기계항공공학부 공학연구원)
Lee,Sang-Gwan (한국기계연구원)
Yang,Seung-Un ((주)데크)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.31, no.1, 2003 , pp. 25-33 More about this Journal
Abstract
The failure load and mode of the unidirectional and fabric hybrid composite laminate joints are studied by test and finite element analysis. Test is conducted for the specimens with nine various geometries under pin loading. Finite element analysis is performed considering the contact and friction effects between the pin and laminate by MSC/NASTRAN. Failure is estimated by Tsai-Wu and Yamada-Sun criteria on the characteristic curve. While the failure of the specimens with the small width and edge length are much affected by the joint geometry, the geometry effects are negligible in the specimens with large width and edge length. Finite element analysis based on the characteristic length method reasonably predicts the failure load and mode of the joints.
Keywords
Composite material; Strength of Joint; FEM; Characteristic;
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