Proceedings of the KSME Conference (대한기계학회:학술대회논문집)

The Korean Society of Mechanical Engineers (대한기계학회)
권호 표지

The Change of Half Value Breadth and Residual Stress during Fatigue Process in S45C Steel

S45C강의 피로과정에 대한 반가폭 및 잔류응력의 변화

  • 부명환 (한국원자력연구소 중수로압력관) ;
  • 구후택 (동아대학교 기계공학과) ;
  • 정종현 (동아대학교 기계공학과) ;
  • 박영철 (동아대학교 기계공학과 대학원) ;
  • 김병수 (인제대학교 기계자동차공학부) ;
  • 김영석 (한국원자력연구소 중수로압력관)
  • Published : 2001.06.27
Download PDF
⟨ Previous Next ⟩

Abstract

The purpose of this study is to examine the change of half value breadth and residual stress during fatigue process in S45C Steel by X-ray diffraction. For S45C Steel, the relationship between the change in fatigue damage of the specimen and the half value breadth, and residual stress of X-ray diffraction profiles during the fatigue processes has been investigated. The half value breadth(HVB) decreases in he early period of fatigue cycle. The change of HVB is relation to cyclic work hardening. In $10{\sim}20%$ of ratio of fatigue life, the change in the half value breadth is not marked. During fatigue process, the residual stress is changed with fatigue cycle increasing.

Keywords