朱日彰, 齐慧滨, 何业东, 黄震中. 铝对Fe-25Cr合金在H2S-H2混合气氛中高温硫化腐蚀的作用[J]. 工程科学学报, 1994, 16(S1): 1-6,21. DOI: 10.13374/j.issn1001-053x.1994.s1.001
引用本文: 朱日彰, 齐慧滨, 何业东, 黄震中. 铝对Fe-25Cr合金在H2S-H2混合气氛中高温硫化腐蚀的作用[J]. 工程科学学报, 1994, 16(S1): 1-6,21. DOI: 10.13374/j.issn1001-053x.1994.s1.001
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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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铝对Fe-25Cr合金在H2S-H2混合气氛中高温硫化腐蚀的作用

The Influence of Al on the High Temperature Sulfidation of An Fe-25Cr Alloy+ in H2S-H2 Gas Mixtures

    摘要
  • 摘要: 研究了5%Al、10%Al对Fe-25Cr合金在H2S-H2平衡混合气氛中700~900℃下高温硫化腐蚀行为。发现加Al能显著降低Fe-25Cr合金的硫化速度并改变其硫化层的形貌、成分及结构。加Al合金的硫化动力学在孕育期后遵从抛物线规律。综合反应动力学、硫化层结构和成分分析。提出了Fe-Cr-Al合金的硫化机理。

     

    Abstract: 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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