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Torsional Strength of CFRP Material for Application of Ship Shaft System

CFRP 소재의 선박용 축계 적용을 위한 비틀림강도 특성

  • Kim, Min-kyu (Shinkumha Inc.) ;
  • Shin, Ick-gy (Shinkumha Inc.) ;
  • Kim, Seon Jin (Department of Naval Architecture & Ocean Engineering, Pusan National University) ;
  • Park, Dae Kyeom (The Korea Ship and Offshore Research Institute, Pusan National University) ;
  • Seo, Jung Kwan (Department of Naval Architecture & Ocean Engineering, Pusan National University)
  • 김민규 ((주)신금하) ;
  • 신익기 ((주)신금하) ;
  • 김선진 (부산대학교 조선해양공학과) ;
  • 박대겸 (부산대학교 선박해양플랜트기술연구원) ;
  • 서정관 (부산대학교 조선해양공학과)
  • Received : 2021.07.14
  • Accepted : 2021.11.22
  • Published : 2021.12.20

Abstract

The Carbon Fiber Reinforced Plastic (CFRP) material is recently widely used in the composite industry with excellent rigidity and lightweight properties. A ship shaft system requires high standards of safety on torsional strength capacity. The purpose of this study is to verify the applicability of a CFRP shaft system to take the place of metal shaft systems for ships from a viewpoint of torsional strength. Selection of materials and manufacturing method are executed then two geometrically scaled CFRP shaft system models were designed and manufactured with three-layer patterns. The models were used for a series of torsion tests under single and repeated torsional loading conditions. Detailed design and manufacturing methods for a CFRP ship shaft system are documented and the torsion test results are listed in this paper. The results of this study could be useful guidelines on the development of CFRP ship shaft systems and a test method.

Keywords

Acknowledgement

본 연구는 해양수산부 해양안전 및 해양교통시설기술개발사업의 '그린십 금속 의장 부품 대체 난연, 내압 및 고강도 복합소 재개발' 사업으로 수행된 연구결과 중 일부이고, 산업통상자원부의 재원으로 추진 중인 '미래 해양플랜트 글로벌 전문인력양성사업(P0012646)'의 지원으로 수행된 연구결과이다.

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