等离子体喷涂纳米结构热障涂层微观组织及性能

被引：41

作者：

林锋 ^{[1
]}

于月光 ^{[1
]}

蒋显亮 ^{[2
]}

曾克里 ^{[1
]}

任先京 ^{[1
]}

李振铎 ^{[1
]}

机构：

[1] 北京矿冶研究总院金属材料研究所

[2] 中南大学材料科学与工程学院

来源：

中国有色金属学报 | 2006年 / 03期

关键词：

纳米结构热障涂层; 等离子体喷涂; 氧化钇部分稳定氧化锆;

D O I：

10.19476/j.ysxb.1004.0609.2006.03.017

中图分类号：

TG174.4 [金属表面防护技术]; TB383.1 [];

学科分类号：

摘要：

以纳米结构氧化钇部分稳定的氧化锆热喷涂粉末为原料,采用大气热等离子体喷涂法制备了纳米结构热障涂层。利用扫描电子显微镜和X射线衍射仪对粉末原料及涂层的微观组织和结构进行分析,并对涂层的结合强度及热导率进行测定。结果表明,纳米结构热障涂层具有优异的性能,热导率为1.1 W/(m.K),界面结合强度为47 MPa。并分析了涂层纳米结构组织对涂层性能的影响,明确了优化涂层微观组织结构和提高涂层性能的具体方法。

引用

页码：482 / 487

页数：6

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