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복합재 판스프링에서의 재료특성에 따른 스프링 강성의 수치해석적 연구 A Numerical Study on Spring Rate of Composite Leaf Spring from Material Parameters

오성하, 최복록
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  • URLhttp://db.koreascholar.com/Article/Detail/291807
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한국기계기술학회지 (韓國機械技術學會誌)
제16권 제2호 (2014.04)
pp.1279-1284
한국기계기술학회 (Korean Society of Mechanical Technology)
초록

This paper shows the feasibility on the application of E-glass fiber/epoxy(GFRP) composite materials to an automotive leaf spring. In order to keep much lighter weight by replacing the steel with the composite material, it is important to optimize the material parameters and design variables consisting of the structure. This paper focused on the effects of material compositions and its fiber orientations for estimating the static behaviors of leaf spring. First of all, basic material properties of GFRP composite were measured by five types of coupon specimens from ASTM standard test. The reverse implementation was also done to obtain the complete set of in-situ fiber and matrix properties from ply test results. Finally, the static spring rates was examined for the variation of thickness and material parameters such as fiber angles and resin contents of composite leaf spring.

키워드
Leaf Spring판스프링GFRP유리섬유강화 플라스틱Orthotropic직교이방성Spring Rate스프링 상수
목차
Abstract
 Ⅰ. 서론
 2. 본론
  2.1 복합재 판스프링의 응력
  2.2 복합재 판스프링의 강성
 3. 결론
 References
저자
  • 오성하(맥소프트 기술연구소) | S. H. OH
  • 최복록(강릉원주대학교) | B. L. CHOI Corresponding Author