| 等离子喷涂热障涂层高温风洞热震行为 |
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| 引用本文： | 刘亚男,张立同,梅 辉,成来飞.等离子喷涂热障涂层高温风洞热震行为[J].稀有金属材料与工程,2009,38(1):176-179. |
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| 作者姓名： | 刘亚男 张立同 梅 辉 成来飞 |
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| 作者单位： | 西北工业大学,超高温结构复合材料国防科技重点实验室,陕西,西安,710072 |
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| 基金项目： | 美国Honeywell公司资金资助项目 |
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| 摘 要： | 采用等离子喷涂工艺制备ZrO2-8%Y2O3(质量分数,下同)陶瓷层,冷喷涂制备CoNiCrAlY粘结层,在高温燃气风洞条件下测试热障涂层的热震性能,并研究了高温氧化处理对试样热震性能的影响.结果表明,等离子喷涂热障涂层具有较好的抗热震性能,经过100次热震循环后,涂层与基体结合良好,涂层较为完整,未出现大面积的剥落;经过氧化处理后的试样抗热震性较差.
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| 关 键 词： | 热障涂层 热震 氧化 剥落 |
| 收稿时间： | 2008/1/31 0:00:00 |
Thermal Shock Behavior of Air Plasma Sprayed Thermal Barrier Coatings under High Temperature Wind Tunnel |
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| Liu Yanan,Zhang Litong,Mei Hui and Cheng Laifei.Thermal Shock Behavior of Air Plasma Sprayed Thermal Barrier Coatings under High Temperature Wind Tunnel[J].Rare Metal Materials and Engineering,2009,38(1):176-179. |
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| Authors: | Liu Yanan Zhang Litong Mei Hui and Cheng Laifei |
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| Abstract: | Thermal barrier coatings (TBCs) comprised of 92 wt.% ZrO2 and 8 wt.% Y2O3 (YSZ); CoNiCrAlY bond coat were deposited by an Air Plasma Spraying (APS) technique. The thermal shock resistance of the TBCs was tested under high temperature wind tunnel. The influence of the high temperature oxidation treatment on the thermal shock resistance of the TBCs was also studied. The results showed that, the TBCs deposited by APS had a good property of thermal shock resistance after 100 cycles. The coating was unabridged a... |
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| Keywords: | TGO |
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