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Journal of the Korea Institute of Military Science and Technology 2008;11(4):149-158.
Strength Estimation of T-joint Area of Composite Housing of Medium Range Surveillance Radar
Min-Sang Kwon
중거리급 탐색레이더 복합재 하우징의 T-joint 영역 구조 강도 평가
권민상
국방과학연구소
Abstract
This article provides strength estimation of T-joint area which made of composite material. Inner and outer structures of medium range surveillance radar are all made of sandwich structure which is made with composite material(CFRP) and aluminum honeycomb core. Since the radar is voluminous and has very complex inner structure, the whole structure cannot be made as one piece. Therefore, usage of T-joints is inevitable. Since some of stress concentration areas were located around T-joint area, series of strength estimations were conducted. Three different configurations were tested to improve mechanical properties(primarily on strength). The results show an improvement on strength to meet calculated strength on stress concentrated T-joint area.
Key Words: Strength Estimation, Composite Housing, T-joint Area, Medium Range Surveillance Radar
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