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

Acta Metallurgica Sinica (English Letters) ›› 1990, Vol. 3 ›› Issue (7): 10-14.

• Research paper • Previous Articles Next Articles

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

Received:1990-07-11 Revised:1990-07-11 Online:1990-07-11 Published:2009-10-10

Abstract

Abstract: 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.

Key words: sulfidation, rare-earth, sulfide scale, sulfidation rate

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. INFLUENCE OF Y,Ce AND La ON HIGH TEMPERATURE SULFIDATION OF Fe-25Cr-40Ni SUPERALLOY[J]. Acta Metallurgica Sinica (English Letters), 1990, 3(7): 10-14.

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

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