Influence of pre-oxidation on the hot corrosion of Ti3SiC2 in the mixture of Na2SO4-NaCl melts
文献类型:期刊论文
作者 | G. M. Liu ; M. S. Li ; Y. C. Zhou ; Y. M. Zhang |
刊名 | Corrosion Science
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出版日期 | 2006 |
卷号 | 48期号:3页码:650-661 |
关键词 | titanium silicon carbide pre-oxidation hot corrosion Na2SO4-NaCl melts titanium-silicon carbide bulk ceramics 1000-degrees-c oxidation behavior air |
ISSN号 | 0010-938X |
中文摘要 | Polycrystalline Ti3SiC2 suffered from serious hot corrosion attack in the mixture of 75wt.%Na2SO4 + 25wt.%NaCl melts at 850 degrees C. In order to improve the hot corrosion resistance of this material, pre-oxidation treatment was conducted at 1200 degrees C in air for 2 h. A duplex oxide scale with an outer layer of TiO2 and an inner layer of a mixture of TiO2 and SiO2 was formed during the pre-oxidation. Because the outer oxide layer of the pre-oxidation treated specimens could inhibit hot corrosion process, they exhibited good hot corrosion resistance in the mixture of 75wt.%Na2SO4 + 25wt.%NaCl melts at 850 degrees C for 50 h. However, during the hot corrosion the outer layer of TiO2 would degrade gradually. Once the outer layer damaged, the hot corrosion rate increased sharply, the corrosion behavior was similar to Ti3SiC2 corroded under the same conditions. The microstructure and phase compositions of the hot corrosion samples were investigated by SEM/EDS and XRD. (C) 2005 Elsevier Ltd. All rights reserved. |
原文出处 | |
公开日期 | 2012-04-13 |
源URL | [http://ir.imr.ac.cn/handle/321006/34355] ![]() |
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. M. Liu,M. S. Li,Y. C. Zhou,et al. Influence of pre-oxidation on the hot corrosion of Ti3SiC2 in the mixture of Na2SO4-NaCl melts[J]. Corrosion Science,2006,48(3):650-661. |
APA | G. M. Liu,M. S. Li,Y. C. Zhou,&Y. M. Zhang.(2006).Influence of pre-oxidation on the hot corrosion of Ti3SiC2 in the mixture of Na2SO4-NaCl melts.Corrosion Science,48(3),650-661. |
MLA | G. M. Liu,et al."Influence of pre-oxidation on the hot corrosion of Ti3SiC2 in the mixture of Na2SO4-NaCl melts".Corrosion Science 48.3(2006):650-661. |
入库方式: OAI收割
来源:金属研究所
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