Abstract

본 논문에서는 일체형 복합재 날개 제작에 대한 연구를 수행하였다. 날개는 피벗구조 형태 및 양항비가 큰 고 세장비 구조를 가지고 있다. 날개는 가벼워야할 뿐만 아니라 구조성능 요구조건을 만족하는 충분한 강도 및 강성이 요구되므로 탄소섬유 복합재를 적용하여 설계하였다. 제작비용을 줄이기 위해 구성 부품을 일체형으로 설계하여 구조 부품수를 감소시키고, 오토클레이브를 사용하여 날개를 일체성형으로 제작하였다. 제작공정별 시편시험을 수행하여 재료물성을 확인하였으며, 부분품시험을 통하여 일체성형에 따른 구조성능을 검증하였다. In this paper, the study for the manufacture of the integrated composite wing is performed. The wing has a pivoting structure and high aspect ratio to increase lift drag ratio. The wing is designed with carbon fiber composite because the wing needs to be light and have sufficient strength and stiffness to satisfy structural design requirements. The number of structural members is decreased by part integration to reduce manufacturing cost and the wing is manufactured with the integrated molding process by an autoclave. The material properties are identified by the coupon tests and the structural strength and stiffness are verified through the component tests.

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