| 常温腐蚀对Al-Si涂层氧化行为的影响 |
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| 引用本文： | 张琦,宋复斌,王华阁,骆军华.常温腐蚀对Al-Si涂层氧化行为的影响[J].中国航空学报,2002,15(4). |
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| 作者姓名： | 张琦 宋复斌 王华阁 骆军华 |
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| 作者单位： | ZHANG Qi 1，SONG Fu bin 1，WANG Hua ge 2，LUO Jun hua 1 (1.School of Materials Science and Engineering，Beijing University of Aeronautics and Astronautics，Beijing\ 100083，China) (2.Shenyang Aeronautics Engine Research and Design Institute，Shengyang\ 110015，China) |
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| 基金项目： | Aeronautical Science Foundation of China(0 1I5 10 0 6) |
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| 摘 要： | 研究了未经 /经常温腐蚀的 DZ1 2 5镍基合金表面 Al-Si涂层的高温氧化行为。结果表明 ,经腐蚀的涂层等温氧化行为发生变化。在初始阶段 ,经腐蚀的试样增重大于未经腐蚀的试样 ,而且经腐蚀的试样的耐高温性能明显下降。氧化皮中主要是 Al2 O3及少量的 Ti O2 .
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| 关 键 词： | 常温腐蚀 氧化 Al-Si涂层 |
Influence of Ambient-Temperature Corrosion on the Oxidation Behavior of Al-Si Coatings |
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| ZHANG Qi,SONG Fu-bin,WANG Hua-ge,LUO Jun-hua.Influence of Ambient-Temperature Corrosion on the Oxidation Behavior of Al-Si Coatings[J].Chinese Journal of Aeronautics,2002,15(4). |
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| Authors: | ZHANG Qi SONG Fu-bin WANG Hua-ge LUO Jun-hua |
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| Abstract: | The high temperature oxidation behavior of Al Si coatings on the Ni base superalloy DZ125, with and without the ambient temperature corrosion test, was investigated. The results show that the isothermal oxidation behavior of the corroded coating changes, which has the higher mass gain than that of the original coating during the initial oxidation stage. Moreover, the cyclic oxidation resistance of the corroded coating decreases severely. The oxide scale was primarily composed of Al 2O 3, contaminated with TiO 2 that was due to the increase of Ti content after the room temperature corrosion test. |
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| Keywords: | ambient temperature corrosion oxidation Al Si coating |
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