Journal of Ocean Engineering and Technology (한국해양공학회지)

Korean Society of Ocean Engineers (한국해양공학회)
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Characteristics of Fatigue Crack Growth for Camshaft Material Applied to High Frequence Induction Treatment

고주파열처리를 적용한 캠 샤프트 소재의 피로균열진전 특성

  • Lee, Hyun-Jun (Department of Mechanical and Precision Engineering, Gyeongsang Nat'l. Univ.) ;
  • Park, Sung-Ho (Department of Mechanical and Precision Engineering, Gyeongsang Nat'l. Univ.) ;
  • Park, Won-Jo (Department of Mechanical and Aerospace Engineering, Institute of Marine Industry, Gyeongsang Nat'l. Univ.)
  • 이현준 (경상대학교 대학원 정밀기계공학과) ;
  • 박성호 (경상대학교 대학원 정밀기계공학과) ;
  • 박원조 (경상대학교 정밀기계공학과 해양산업연구소)
  • Published : 2009.06.30
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Abstract

Nowadays, many components in automobile, aircraft, offshore structure and industry require lightness and high strength. However, since developments of advanced materials have limitations, it mainly is applying to method of surface hardening. This study offered research about camshaft that is one among engine important component. The material used in this study is 0.53% carbon steel as structure material of camshaft, splineshaft, coupling, pulley, driveshaft et cetera. Camshaft is processed using mainly carbon steel, and receives wear and fatigue by special quality high speed of parts. Therefore, camshaft need surface hardening to improve camshaft's fatigue life and increase durability of engine. This study compare to residual stress and martensite microstructure created by high frequency induction treatment, and these results lead to the conclusion of fatigue crack growth characteristics.

Keywords

References

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