| 氧化铈对NiCoCrAlY涂层抗热腐蚀性能的影响 |
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| 引用本文： | 刘影,王宏宇,左敦稳,王强,潘文平.氧化铈对NiCoCrAlY涂层抗热腐蚀性能的影响[J].解放军理工大学学报,2011,0(6):667-670. |
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| 作者姓名： | 刘影 王宏宇 左敦稳 王强 潘文平 |
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| 作者单位： | 1.南京航空航天大学 机电学院，江苏 南京 210016； 2.解放军理工大学 工程兵工程学院，江苏 南京 210007； 3.江苏大学 机械工程学院，江苏 镇江 212013； 4.南京航空航天大学 民航学院，江苏 南京 210016 |
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| 基金项目： | 航空科学基金资助项目(2010ZE52056) ；博士后科学基金资助项目(2011M501172) ；江苏省博士后科研基金资助项目（1101087C）. |
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| 摘 要： | 为了研究纳米氧化铈对NiCoCrAlY涂层抗热腐蚀性能的影响,考察了添加3种不同含量纳米氧化铈的NiCoCrAlY熔覆涂层在1 050℃混合硫酸盐(质量分数为75％ Na2SO4-+25％ K2SO4)作用下的热腐蚀行为,并与未加纳米颗粒的涂层进行了比较.结果表明:添加纳米氧化铈后,涂层的抗热腐蚀性能得到了较大提高,其...
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| 关 键 词： | NiCoCrAlY涂层 抗热腐蚀性能 纳米氧化铈 混合硫酸盐 |
| 收稿时间： | 2011-09-01 |
| 修稿时间： | 2011-09-01． |
Effects of Nano CeO2 on hot corrosion resistance of NiCoCrAlY cladded coatings |
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| LIU Ying,WANG Hong-yu,ZUO Dun-wen,WANG Qiang and PAN Wen-ping.Effects of Nano CeO2 on hot corrosion resistance of NiCoCrAlY cladded coatings[J].Journal of PLA University of Science and Technology(Natural Science Edition),2011,0(6):667-670. |
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| Authors: | LIU Ying WANG Hong-yu ZUO Dun-wen WANG Qiang and PAN Wen-ping |
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| Institution: | 1. College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China; 2. Engineering Institute of Corps of Engineers, PLA Univ. of Sci. &; Tech., Nanjing 210007, China; 3. School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China; 4.College of Civil Aviation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 21001,China |
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| Abstract: | To study the effects of nano CeO2 on the hot corrosion resistance of NiCoCrAlY coating, three NiCoCrAlY coatings reinforced by different contents of nano CeO2 and the one without nano particles were prepared on a Ni based superalloy, and their hot corrosion behaviors in Na2SO4/K2SO4 (75∶25) mixture at 1 050 ℃ in static air investigated. Results indicate that the hot corrosion resistance of the NiCoCrAlY coatings after adding nano CeO2 is obviously improved, among which the one with 2% nano CeO2 presented the best hot corrosion resistance. Under the same experimental condition, the surface integrity of the coatings with nano CeO2 is better than that of the one without nano particles, and the corroded layer depth of the coatings with nano CeO2 is also far below that of the one without nano particles. |
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| Keywords: | NiCoCrAlY coating hot corrosion resistance nano CeO2 mixed sulfate |
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