Characterization of Hot-Steam Oxidation Tested Chromosiliconized Heat-Resistant Austenitic Stainless Steel

Yasuhiro Hoshiyama; Xiaoying Li; Hanshan Dong; Akio Nishimoto

doi:10.2320/matertrans.M2011396

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Characterization of Hot-Steam Oxidation Tested Chromosiliconized Heat-Resistant Austenitic Stainless Steel

Yasuhiro Hoshiyama, Xiaoying Li, Hanshan Dong, Akio Nishimoto

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Keywords: chromizing-siliconizing, austenitic stainless steel, oxidation resistance, pack cementation

JOURNAL RESTRICTED ACCESS Advance online publication

Article ID: M2011396

DOI https://doi.org/10.2320/matertrans.M2011396

J-STAGE : matertrans 53 6

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Abstract

In this study, a duplex chromizing-siliconizing coating was produced on heat-resistant austenitic stainless steel by pack cementation. The chromizing-siliconizing of the duplex chromosiliconized coating was evaluated in 873 K hot steam for 3.6 × 10³ ks, and the oxidized as well as the coated samples were characterized. A duplex chromosiliconizing coating has been successfully applied to heat-resistant austenitic stainless steel by pack cementation. This coating containing Cr and Si can effectively improve the oxidation resistance of heat-resistant austenitic stainless steel in 873 K hot steam for 3.6 × 10³ ks.

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