| 梯度热障涂层热冲击性能研究 |
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| 引用本文： | 王全胜.梯度热障涂层热冲击性能研究[J].材料工程,1999,11(11):19-21. |
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| 作者姓名： | 王全胜 |
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| 作者单位： | 北京理工大学 |
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| 摘 要： | 采用等离子喷涂的方法,分别获得了２ｍｍ ＺｒＯ２－ＮｉＣｒＡｌ和ＺｒＯ２－Ｎｉ／Ａｌ系梯度热障涂层。热冲击实验结果表明,两种涂层具有不同的失效机理。ＺｒＯ２－ＮｉＣｒＡｌ系的失效是由于基于基体氧化引起的涂层整体脱落;而ＺｒＯ２－Ｎｉ／Ａｌ系的失效是支径向裂纹扩展到Ｎｉ／Ａｌ底层氧化共同作用的结果。
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| 关 键 词： | 等离子喷涂 热障涂层 热冲击性能 |
| 修稿时间： | 1999-01-11 |
Thermal Shock of Gradient Thermal Barrier Coatings |
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| WANG Quan-sheng.Thermal Shock of Gradient Thermal Barrier Coatings[J].Journal of Materials Engineering,1999,11(11):19-21. |
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| Authors: | WANG Quan-sheng |
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| Abstract: | mm thick gradient TBCs were got by plasma spraying,including NiCrAl YPSZ and Ni/Al YPSZ The test results of thermal shock show that the two kinds of coatings have different failure behavior The failure of NiCrAl YPSZ coating is caused by substrate oxidation The other is from radial cracks penetrating and oxidation |
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| Keywords: | APS TBCs thermal shock |
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