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http://dx.doi.org/10.4150/KPMI.2013.20.3.203

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

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)
Publication Information
Journal of Powder Materials / v.20, no.3, 2013 , pp. 203-209 More about this Journal
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.
Keywords
Stainless steel; Powder metallurgy; Corrosion resistant; Sintering;
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