Journal of Power System Engineering (동력기계공학회지)

The Korean Society for Power System Engineering (한국동력기계공학회)
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A Study on Wear Characteristics of Degraded Stainless Steel

열화된 스테인리스강의 마모특성에 관한 연구

  • Cho, Sung-Duck (Graduate School, UR Interdisciplinary Program of Mechanical Engineering, Pukyong National University) ;
  • Ahn, Seok-Hwan (Department of Mechatronics, Jungwon University) ;
  • Nam, Ki-Woo (Department of Materials Science and Engineering, Pukyong National University)
  • 조승덕 (부경대학교 학연협동기계공학) ;
  • 안석환 (중원대학교 메카트로닉스학과) ;
  • 남기우 (부경대학교 재료공학과)
  • Received : 2017.08.08
  • Accepted : 2017.11.15
  • Published : 2017.12.31
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Abstract

This study deals with the characteristics of degraded stainless steel. Stainless steel is heat treated to ensure mechanical properties when designing or manufacturing machinery parts or equipment. In this study, the mechanical properties and wear characteristics of three kinds of stainless steels after artificially heat-treated at 753 K~993 K, where chrome depletion occurs near the grain boundary, were evaluated. The microstructure and fracture surface were also observed. From the results, friction coefficient and wear loss decreased with increasing the heat treatment temperature regardless of the type of stainless steel. Also, as the tensile strength increased, the friction coefficient and wear loss decreased. Wear loss showed proportional to a tendency to increase with increasing friction coefficient.

Keywords

References

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