Journal of Power System Engineering (동력기계공학회지)

The Korean Society for Power System Engineering (한국동력기계공학회)
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Relationship Between Mechanical Properties and Damping Capacity in Stainless Steel with Two Phases of Reversed Austenite and Deformation Induced Martensite

역변태 오스테나이트와 가공유기 마르텐사이트의 2상 혼합조직을 갖는 스테인리스강의 기계적 성질과 감쇠능

  • Namgung, Won (Korea Polytechnic VII Colleges) ;
  • Jung, Mok-Hwan (Department of Metallurgical Engineering, Pukyoung National University) ;
  • Lee, Hyang-Beak (Department of Metallurgical Engineering, Pukyoung National University) ;
  • Kim, Jae-Nam (Department of Metallurgical Engineering, Pukyoung National University) ;
  • Kang, Chang-Young (Department of Metallurgical Engineering, Pukyoung National University)
  • 남궁원 (한국 폴리텍 VII 대학 울산캠퍼스 산업설비자동화과) ;
  • 정목환 (부경대학교 금속공학과) ;
  • 이향백 (부경대학교 금속공학과) ;
  • 김재남 (부경대학교 금속공학과) ;
  • 강창룡 (부경대학교 금속공학과)
  • Received : 2012.12.12
  • Accepted : 2013.03.15
  • Published : 2013.04.30
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Abstract

This study was carried out to investigate the relationship between mechanical properties and damping capacity in high manganese austenitic stainless steel with two phase mixed structure of reversed austenite and deformation induced martensite. Reversed austenite of ultra-fine grain size less than $0.3{\mu}m$ was obtained by reversion treatment. Two phase structure of deformation induced martensite and reversed austenite was obtained by annealing treatment at range of $500^{\circ}C{\sim}700^{\circ}C$ for various time in cold rolled high manganese austenite stainless steel. In stainless steel with two phase mixed structure of martensite and austenite, damping capacity decreased rapidly with the increasing hardness and strength. With the increasing elongation, damping capacity was increased rapidly and then, slowly increased.

Keywords

References

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