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http://dx.doi.org/10.9726/kspse.2015.19.6.012

Corrosion Resistance of Degraded STS310S and STS347H by Cr-free Modified Si Organic/Inorganic Hybrid Coating Solution  

Lee, So-Young (Dept. of Materials Sciencen and Engineering, Graduate School, Pukyong Nat'l Univ.)
Kim, Young-Soo (UR Interdisciplinary Program of Mechanical Engineering, Graduate School, Pukyong Nat'l Univ.)
Jeong, Hee-Rok (Prepoll Co. Ltd.)
Kim, Gui-Shik (Dept. of Mechanical Engineering, Jeju Nat'l Univ.)
Nam, Ki-Woo (Dept. of Materials Science and Engineering, Pukyong Nat'l Univ.)
Publication Information
Journal of Power System Engineering / v.19, no.6, 2015 , pp. 12-18 More about this Journal
Abstract
Austenitic stainless steels generally experience the occurrence of chromium-depleted zones at the boundaries, known as sensitization, caused by the carbide precipitation that takes place due to a welding process or heat treatment. Normally, the depleted zones become the focus of the intense corrosion. In this study, the Cr-free organic/inorganic hybrid solution was developed, and the artificially degraded STS316S and STS347H with the solution-coating investigated the corrosion resistance by salt spray test. Both the OIBD-1 and OIBD-2 solutions improved the corrosion resistance of STS310S and STS347H. The corrosion resistance with the OIBD-1 solution was better than that of OIBD-2 solution. Additionally, Both solutions have been proven excellence in adhesion ability, boiling water resistance and flexibility. However, a problem of rubbing after the boiling was found out to be overcome.
Keywords
Organic/Inorganic Hybrid Solution; Salt Spray Test; Corrosion Resistance; Artificially Degradation; Stainless Steel;
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Times Cited By KSCI : 3  (Citation Analysis)
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