Zhu Rizhang, Qi Huibin, He Yedong, Huang Zhenzhong. The Influence of Al on the High Temperature Sulfidation of An Fe-25Cr Alloy+ in H2S-H2 Gas Mixtures[J]. Chinese Journal of Engineering, 1994, 16(S1): 1-6,21. DOI: 10.13374/j.issn1001-053x.1994.s1.001
Citation: Zhu Rizhang, Qi Huibin, He Yedong, Huang Zhenzhong. The Influence of Al on the High Temperature Sulfidation of An Fe-25Cr Alloy+ in H2S-H2 Gas Mixtures[J]. Chinese Journal of Engineering, 1994, 16(S1): 1-6,21. DOI: 10.13374/j.issn1001-053x.1994.s1.001
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The Influence of Al on the High Temperature Sulfidation of An Fe-25Cr Alloy+ in H2S-H2 Gas Mixtures

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  • The effects of 5% Al and 10% Al on the sulfidation behaviour of the Fe-25Cr alloy in H2S-H2 gas mixtures in the temperature range of 700~900℃ has been studied.The sulfidation resistance of Fe-25Cr was improved and sulfide scale morphologies,composition and structure of Fe-25Cr were changed remarkably.The sulfidation kinetics of the alloys with aluminium obeyed basically the parabolic law after an initial period of reaction time.The sulfidation mechanism of the Fe-Cr-Al alloy has been proposed.
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