한국항공우주학회지 (Journal of the Korean Society for Aeronautical & Space Sciences)

  • 제41권3호
  • /
  • Pages.194-200
  • /
  • 2013
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  • 1225-1348(pISSN)
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  • 2287-6871(eISSN)
한국항공우주학회 (The Korean Society for Aeronautical and Space Sciences)
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복합재료 적층판 기계적 체결부 응력집중계수에 대한 고찰

A Study on Stress Concentration Factor of Composite Laminate Mechanical Joints

  • Kwon, Jeong-Sik (Department of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Kim, Jin-Sung (Department of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Lee, Soo-Yong (Department of Aerospace and Mechanical Engineering, Korea Aerospace University)
  • 투고 : 2012.10.07
  • 심사 : 2013.02.01
  • 발행 : 2013.03.01
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초록

복합재료 적층판 기계적 체결부 표준시험(ASTM D5961) 결과에 대하여 이론적 강도 계산 및 유한요소 해석결과를 비교한다. 응력집중계수를 산출하기 위하여 ASM Handbook의 금속 및 복합재료에 대한 산출식을 이용하여 실험 결과값과 비교한다. 형상학적 인자들과 체결방식(단일/이중 겹칩)에 따른 체결강도의 차이도 비교한다. 유한요소 해석에 있어, 복합재료 적층판의 기계적 체결부의 효율적인 유한요소 모델을 찾기 위해 몇 가지 유한요소 모델들과 실험 결과들을 비교한다.

In this paper, the results of composite laminate mechanical joints test(ASTM D5961) are compared with the theoretical strength calculations and FEM analysis results. To calculate the S.C.F.(stress concentration factor) on joint strength, equations on metallic and composite materials in ASM Handbook used and compared with experimental results. The difference of joint strength are compared by geometrical parameters and joining types(single/double lap joint). In FEM analysis, to find efficient FEM model on composite laminate mechanical joint, several FEM models are compared with experimental test results.

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참고문헌

  1. ASM Handbook Vol. 21 pp. 281-284
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