Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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A Study on Calculation of Composites Lamina Material Properties through Reverse Engineering of Light Weight Composite Car-body

경량 복합재 차체 구조의 역설계를 통한 복합재료 라미나 물성 산출 기법 연구

  • Moon, Jin Bum (Composites Research Division, Korea Institute of Materials Science) ;
  • Kim, Jihoon (Composites Research Division, Korea Institute of Materials Science) ;
  • Jang, Hong Kyu (Composites Research Division, Korea Institute of Materials Science) ;
  • Park, Jisang (Implementation Research Division, Korea Institute of Materials Science)
  • 문진범 (재료연구소 복합재료 연구본부) ;
  • 김지훈 (재료연구소 복합재료 연구본부) ;
  • 장홍규 (재료연구소 복합재료 연구본부) ;
  • 박지상 (재료연구소 실용화 연구본부)
  • Received : 2016.08.22
  • Accepted : 2016.10.07
  • Published : 2017.01.01
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Abstract

In reverse engineering, one of the main tasks is reconstructing the mechanical properties of used materials. For an isotropic material, it could be defined by a single tensile test using a coupon extracted from the structure. In contrast, CFRP composites require many tests and complex procedures to define all the material properties because CFRP is an orthotropic material and a stacked laminate. In this paper, the procedure to reconstruct composite material properties is studied by using the classical lamination theory and the test data of three different laminates from a composite structure. A sample reconstruction of composite material properties using a composite car body is introduced to verify the method.

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References

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