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| Fe-5Cr合金表面溶胶-凝胶复合涂层的抗高温腐蚀性能研究 | |
| 引用本文： | 姚明明,缑英俊,何业东. Fe-5Cr合金表面溶胶-凝胶复合涂层的抗高温腐蚀性能研究[J]. 中国粉体技术, 2005, 11(5): 6-10 |
| 作者姓名： | 姚明明 缑英俊 何业东 |
| 作者单位： | 1. 北京科技大学,北京市腐蚀、磨蚀与表面技术重点实验室,北京,100083;济南大学,化学化工学院,山东,济南,250022 2. 济南大学,化学化工学院,山东,济南,250022 3. 北京科技大学,北京市腐蚀、磨蚀与表面技术重点实验室,北京,100083 |
| 基金项目： | 国家自然科学基金资助项目,编号：50271010. |
| 摘 要： | 在含氧化铝-氧化钇纳米粒子的胶体中添加氧化铝的微米粒子,借助高能球磨机研磨,将纳米或微米陶瓷粉末均匀地分散在溶胶-凝胶溶液中形成涂覆液;采用浸渍提拉法将溶胶-凝胶涂覆液沉积在Fe-5Cr合金基体表面上,然后通过烧结得到厚的陶瓷涂层。利用SEM及EDS对涂层进行了结构、成分以及表面形貌的分析,用XRD技术对涂层表面的相组成进行了分析。采用氧化增重法研究了Fe-5Cr合金基体材料及其涂层的抗高温氧化及硫化性能。研究结果表明,带有溶胶-凝胶复合涂层的试样在600℃下具有优异的抗高温氧化及较好的抗高温硫化性能。 |
| 关 键 词： | 溶胶-凝胶 复合涂层 高温氧化 高温硫化 Fe-5Cr合金 |
| 文章编号： | 1008-5548（2005）05-0002-05 |
| 收稿时间： | 2005-01-21 |
| 修稿时间： | 2005-01-21 |
Study on Oxidation and Sulfidation Resistances of Sol-gel Composite Coatings on Fe-5Cr Alloy |
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| Yao Ming-ming,Gou Ying-jun,He Ye-dong. Study on Oxidation and Sulfidation Resistances of Sol-gel Composite Coatings on Fe-5Cr Alloy[J]. China Powder Science and Technology, 2005, 11(5): 6-10 | |
| Authors: | Yao Ming-ming Gou Ying-jun He Ye-dong |
| Affiliation: | 1. Beijing Key Laboratory for Corrosion, Erosion and Surface Technology, University of Science and Technology Beijing, Beijing 100083 ;2. School of Chemistry and Chemical Engineering, Jinan University, Jinan 250022, China |
| Abstract: | The selected α-Al2O3 micro-powder was added to Al2O3-Y2O3 sol-gel solution by superpower ball milling to provide uniform stable paint.The ceramic film on the Fe-5Cr substrate was prepared via dipping and heating.The specimens were characterized by scanning electron microscopy(SEM).The high-temperature corrosion resistance of Fe-5Cr with Al2O3-Y2O3 composite coating was studied through weight-gain method.It was found that theAl2O3-Y2O3 composite coating has excellent oxidation resistance in air at 600℃ and sulfidation resistance has been improved to a certain degree in SO2 at 600℃.All the experiment results show that this composite coating method is a new technique,which is very economic and can be used widely. |
| Keywords: | sol-gel composite coatings oxidation resistance sulfidation resistance Fe-5Cr alloy |
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