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The Effect of the Additive Elements Alloying Method on the Corrosion Resistance of Sintered STS 316L

STS 316L 소결재료의 내식특성에 미치는 합금원소 첨가방법의 영향

  • Kim, Hye Seong (School of Nano.Advanced Meterial Science & Engineering, and LINC, Gyeongsang National University) ;
  • Kim, Yoo Young (Gyeongnam National University of Science and Technology(GNTECH)) ;
  • Park, Dong Kyu (School of Nano.Advanced Meterial Science & Engineering, and LINC, Gyeongsang National University) ;
  • Ahn, In Shup (School of Nano.Advanced Meterial Science & Engineering, and LINC, Gyeongsang National University)
  • 김혜성 (경상대학교 나노.신소재공학부 및 LINC사업단) ;
  • 김유영 (경남과학기술대학교 기계공학과) ;
  • 박동규 (경상대학교 나노.신소재공학부 및 LINC사업단) ;
  • 안인섭 (경상대학교 나노.신소재공학부 및 LINC사업단)
  • Received : 2013.05.09
  • Accepted : 2013.06.05
  • Published : 2013.06.28

Abstract

In this study, STS 316L powders with 3 wt.% Cu and 1 wt.% Sn known as corrosion-resistance reinforcement elements, are prepared to make different kinds of specimens, in which, 3 wt.% Cu and 1 wt.% Sn are added in different forms by mixing, alloying and fully alloying. After sintering in the same condition, the corrosion resistance, wear resistance and their mechanical properties of specimens are tested respectively. According to the comparison, STS 316L specimen sintered at $1270^{\circ}C$ showed the most excellent mechanical property: HRB 78 (hardness), 1130.7 MPa (RCS), 26.6% (Fraction Wear), It was similar with the specimen made of STS316L and fully alloyed Cu and Sn powders, meanwhile, the latter one appears the best corrosion resistance, 75hrs-salt immersion test results. In addition, the specimens with Cu and Sn powders additive showed relatively worse wear resistance in compared with STS316L specimen.

Acknowledgement

Supported by : 경남과학기술대학교

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