Corrosion of a Co-15 Ce alloy under 10(-3)Pa S-2 at 700 degrees C
文献类型:期刊论文
作者 | G. Y. Fu ; Y. Niu ; W. T. Wu |
刊名 | Transactions of Nonferrous Metals Society of China
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出版日期 | 1998 |
卷号 | 8期号:1页码:97-101 |
关键词 | Co-Ce alloy sulfidation corrosion 2-phase binary-alloys internal oxidation oxidant pressures nb alloys 600-800-degrees-c |
ISSN号 | 1003-6326 |
中文摘要 | The corrosion behaviors of a Co-Ce alloy containing approximately 15 % Ce, pure Co and pure Ce have been studied at 700 degrees C in H-2-H2S mixtures providing a sulfur pressure of 10(-3)Pa. It is shown that the alloy corroded more slowly than pure cobalt, but more rapidly than pure cerium. The corrosion of the alloy produced duplex scales, containing an outermost layer of pure cobalt sulfide and an inner layer of a cerium sulfide mixed with cobalt sulfide and an innermost layer where cerium sulfide was mixed with cobalt metal. The cobalt sulfide formed a continuous CoS layer on the surface of the alloy, even though at rates reduced with respect to pure cobalt. Thus, a cerium content of 15% was not sufficient to prevent the sulfidation of the base metal. These results were interpreted by taking into account the limited solubility of cerium in the base metal and the presence in the alloy of intermetallic compound rich in cerium. |
原文出处 | |
公开日期 | 2012-04-14 |
源URL | [http://ir.imr.ac.cn/handle/321006/37656] ![]() |
专题 | 金属研究所_中国科学院金属研究所 |
推荐引用方式 GB/T 7714 | G. Y. Fu,Y. Niu,W. T. Wu. Corrosion of a Co-15 Ce alloy under 10(-3)Pa S-2 at 700 degrees C[J]. Transactions of Nonferrous Metals Society of China,1998,8(1):97-101. |
APA | G. Y. Fu,Y. Niu,&W. T. Wu.(1998).Corrosion of a Co-15 Ce alloy under 10(-3)Pa S-2 at 700 degrees C.Transactions of Nonferrous Metals Society of China,8(1),97-101. |
MLA | G. Y. Fu,et al."Corrosion of a Co-15 Ce alloy under 10(-3)Pa S-2 at 700 degrees C".Transactions of Nonferrous Metals Society of China 8.1(1998):97-101. |
入库方式: OAI收割
来源:金属研究所
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