열처리공학회지 (Journal of the Korean Society for Heat Treatment)

  • 제6권3호
  • /
  • Pages.152-158
  • /
  • 1993
  • /
  • 1225-1070(pISSN)
  • /
  • 2508-4046(eISSN)
한국열처리공학회 (The Korean Society for Heat Treatment)
권호 표지

17-4 PH 스텐레스강의 수소취화방지에 관한 연구

A study on the Reardation Embrittlement in 17-4 PH Stainaless steel

  • 이헌봉 (부산대학교 공과대학 금속공학과) ;
  • 최상헌 (부산대학교 공과대학 금속공학과) ;
  • 김인배 (부산대학교 공과대학 금속공학과)
  • Lee, Hun-Bong (Department of Metall. Engineering, Pusan National University) ;
  • Choi, Sang-Hyun (Department of Metall. Engineering, Pusan National University) ;
  • Kim, In-Bae (Department of Metall. Engineering, Pusan National University)
  • 발행 : 1993.09.30
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초록

Effects of oxide film which is grown by heat treatment on the hydrogen embrittlement (HE) of 17-4 PH stainless steel were investigated. Specimems were tensile tested after cathodic hydrogen charging and the be haviors of HE were evaluated from the elongation change. It was found that specimems solution treated at $1040^{\circ}C$ for 1/2hour showed best retardation ability to HE for both aging conditions i.e. $480^{\circ}C{\times}1hr$ and $620^{\circ}C{\times}4hrs$. X-ray and Auger study revealed that the major composition of oxide films are $Cr_2O_3$ and $CuCr_2O_4$.

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연구 과제 주관 기관 : 부산대학교