INFLUENCE OF Y,Ce AND La ON HIGH TEMPERATURE SULFIDATION OF Fe-25Cr-40Ni SUPERALLOY

INFLUENCE OF Y,Ce AND La ON HIGH TEMPERATURE SULFIDATION OF Fe-25Cr-40Ni SUPERALLOY

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摘要 The effects of Y,Ce and La on the sulfidation of alloy Fe-25Cr-40Ni have been investigated. The sulfidation rate of the alloys with RE more than 0.1 wt-% is lower than that of the base alloy.The addition of Y is more effective than La and Ce in lowering the sulfidation rate. Based on the analyses of the structure and composition of the sulfide seales,the sulfidation mechanism of the alloys with RE has been proposed. The effects of Y,Ce and La on the sulfidation of alloy Fe-25Cr-40Ni have been investigated. The sulfidation rate of the alloys with RE more than 0.1 wt-% is lower than that of the base alloy.The addition of Y is more effective than La and Ce in lowering the sulfidation rate. Based on the analyses of the structure and composition of the sulfide seales,the sulfidation mechanism of the alloys with RE has been proposed.

作者 HUANG Yuanwei HAN Yong SUN Lanxiang XU Zhiqiang SHI Shengtai(S.T.Shih) Shanghai Institute of Metallurgy,Academia Sinica,Shanghai,China HUANG Yuanwei,Associate Professor,Shanghai Institute of Metallurgy,Academia Sinica,865 Changning Road,Shanghai,China

出处《Acta Metallurgica Sinica(English Letters)》 SCIE EI CAS CSCD 1990年第7期10-14,共5页 金属学报（英文版）

关键词 SULFIDATION RARE-EARTH sulfide scale sulfidation rate sulfidation rare-earth sulfide scale sulfidation rate

分类号 TG-55 [金属学及工艺]

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1Li, Fang, He, Yedong, Qi, Huibin, Huang, Zhenzhong, Zhu, Rizhang.FeMoAl COATING AND ITS HIGHTEMPERATURE SULFIDATION PROPERTIES[J].中国有色金属学会会刊：英文版,1997,7(2):119-123.
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9Qi,Huibin Zhu,Rizhang Department of Surface Science and Corrosion Engineering,University of Science and Technology Beijing,Beijing 100083,ChinaWang,Shujuan Northeastern Unirersity,Shenyang 110006,China.INFLUENCE OF Al ON HIGH TEMPERATURE SULFIDATION OF AN Fe-25Cr ALLOY IN H_2S-H_2 GAS MIXTURES[J].中国有色金属学会会刊：英文版,1993,3(4):43-49.
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Acta Metallurgica Sinica(English Letters)

1990年第7期

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INFLUENCE OF Y,Ce AND La ON HIGH TEMPERATURE SULFIDATION OF Fe-25Cr-40Ni SUPERALLOY

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