Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Fatigue Life Prediction for Automotive Vibroisolating Rubber Component Using Tearing Energy

찢김에너지를 이용한 자동차용 방진 부품의 내구수명 예측

  • Moon, Hyung-Il (CAE Team, Hyundai Mobis Co. Ltd.) ;
  • Kim, Ho (Convergence Industry Support Center, Korea Institute of Industrial Technology) ;
  • Woo, Chang-Soo (Department of Nano Mechanics, Korea Institute of Machinery & Materials) ;
  • Kim, Heon-Young (Department of Mechanical and Biomedical Engineering, Kangwon National University)
  • 문형일 (현대모비스 공학해석팀) ;
  • 김호 (송도테크노파크 융복합산업지원센터) ;
  • 우창수 (한국기계연구원 나노융합생산시스템연구본부) ;
  • 김헌영 (강원대학교 기계의용공학과)
  • Received : 2012.01.19
  • Accepted : 2012.04.23
  • Published : 2012.11.01
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Abstract

Recently, the demand to acquire and improve durability performance has steadily risen in rubber components design. In design process of a rubber component, an analytical prediction is the most effective way to improve fatigue life. Existing methods of analytical estimation have mainly used an equation for fatigue life obtained from fatigue test data. However, such formula is rarely used due to costs and time required for fatigue testing, as well as randomness of rubber materials. In this paper, we describe fatigue life estimation of rubber component using only the results from a relatively simple tearing test. We estimated fatigue life of the Janggu type fatigue specimen and the automotive motor mount, and evaluated reliability of the proposed method by comparing the estimated values with actual test results.

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References

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