| 稀土硅铁对TBCs梯度热障涂层组织与性能影响的研究 |
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| 引用本文： | 邓畅光,邝子奇.稀土硅铁对TBCs梯度热障涂层组织与性能影响的研究[J].中国腐蚀与防护学报,2002,22(3):176-179. |
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| 作者姓名： | 邓畅光 邝子奇 |
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| 作者单位： | 广州有色金属研究院,广州,510651 |
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| 摘 要： | 通过低压等离子喷涂技术在Ni基合金表面制备了Y2O3－CeO2-TZP/NiCoCrAlY梯度热障涂层，采用光学显微镜、X射线衍射仪、扫描电镜、电子探针等方法研究了稀土硅铁对Y2O3－CeO2-TZP/NiCoCrAlY梯度热障涂层的组织和性能的影响。结果表明，在涂层中加入适量的稀土硅铁，能改善涂层的组织结构，提高其抗热震性能和抗高温氧化性能。
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| 关 键 词： | 梯度热障涂层 抗热震性能 抗氧化性能 稀土硅铁 |
| 文章编号： | 1005-4537(2002)03-0176-04 |
THE EFFECT OF LANTHANUM BEARING FERROSILICON TO THE MICROSTRUCTURE AND PERFORMANCES OF TBCs GRADED COATING |
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| DENG Changguang,KUANG Ziqi.THE EFFECT OF LANTHANUM BEARING FERROSILICON TO THE MICROSTRUCTURE AND PERFORMANCES OF TBCs GRADED COATING[J].Journal of Chinese Society For Corrosion and Protection,2002,22(3):176-179. |
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| Authors: | DENG Changguang KUANG Ziqi |
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| Abstract: | Y 2O 3-CeO 2-TZP/NiCoCrAlY graded coating has been developed on Ni-base superalloy substrate by low-pressure plasma spraying with single torch,and the microstructure,mechanical properties and microstructure stability,as well as thermal shock properties and its failure mechanism were investigated by means of optical microscopy,X-ray diffractometer,scanning electron microscopy,electron probe microanalyser,and so on.The microscopic structure and the oxidation resistant property as well as the anti-thermal shock property were improved after an amount of lanthanum bearing ferrosilicon was added in the metal constituent. |
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| Keywords: | graded thermal barrier coating thermal shock property oxidation resistant property lanthanum-containing ferrosilicon |
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