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中文摘要: 对氧化钇部分稳定氧化锫粉末(8%Y2O3-ZrO2)制备过程中氯离子含量的变化加以研究,分析粉末中的杂质Cl-离子含量对热障涂层的腐蚀黄斑的诱发和形成作用.实验采用等离子喷涂不同Cr含量的8%Y2O3-ZrO2粉末,通过扫描电镜(SEM)和电子能谱(EDS)分析涂层组织结构和成分分布,盐雾腐蚀试验分析Cl-含量对热障涂层的腐蚀性.结果表明:Cl-与低氧ZrO2-n相形成不稳定的含水结晶体是8%Y2O3-ZrO2涂层黄斑主要原因.
中文关键词: 氧化钇部分稳定氧化锫粉末 腐蚀
Abstract:The change of chloride ion density was researched in the preparation process of yttrica partially stabilized zirconia powder to reveal the forming mechanization of corrosivelyyellow spotin the surface of thermal barrier coating.Plasma spraying is used to form 8%Y_2O_3-ZrO_2 coatings with different Cl~-% density.Microstructure characterization of coatings was carried out by means of SEM and element distribution of the coatings was measured by EDS.Corrosion effect of different Cl~- ion content on thermal barr...
文章编号： 中图分类号：TG174.4 文献标志码：
基金项目:
LI Zhen-duo ZHOU Heng ZHAI Hui LI Yu-sen
LI Zhen-duo~1,ZHOU Heng~1,ZHAI Hui~2,LI Yu-sen~2 (1.Beijing General Research Institute of Mining & Metallurgy,Beijing 100044,China,2.China Aero-Engine Group Guiyang Honghu Machine Corporation,Guiyang 550006,China)
引用文本：
李振铎,周恒,翟辉,李玉森.Cl~-浓度对8%Y_2O_3-ZrO_2涂层腐蚀性影响[J].有色金属（冶炼部分）,2008(Z1):.
.Effect of C1-Concentration on Corrosion of 8%Y2O3-ZrO2 Thermal Barrier Coating[J].Nonferrous Metals (Extractive Metallurgy),2008(Z1):.
李振铎,周恒,翟辉,李玉森.Cl~-浓度对8%Y_2O_3-ZrO_2涂层腐蚀性影响[J].有色金属（冶炼部分）,2008(Z1):.
.Effect of C1-Concentration on Corrosion of 8%Y2O3-ZrO2 Thermal Barrier Coating[J].Nonferrous Metals (Extractive Metallurgy),2008(Z1):.
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