(1. 中南大学 材料科学与工程学院,长沙 410083;
2. 北京矿冶研究总院 金属材料研究所,北京 100044)
摘 要: 热障涂层是一类高温防护涂层,由于其应用的广泛性,已成为近年来涂层研究领域的热点之一。对热障涂层国内外的研究进展进行了综述,重点阐述热障涂层成分的选择、热障涂层的结构设计、热障涂层的制备工艺、热障涂层的失效机理、寿命预测以及热障涂层的发展趋势。
关键字: ZrO2陶瓷;纳米结构涂层;热障涂层;热喷涂;失效机理
thermal barrier coating
(1. School of Materials Science and Engineering, Central South University, Changsha 410083, China;
2. Institute of Metallic Materials, Beijing General Research Institute of Mining and Metallurgy, Beijing 100044, China)
Abstract:Thermal barrier coating (TBC) is a kind of high temperature protection coating. Because of its wide application, it has attracted more and more interests in recent years. The research progress of thermal barrier coating worldwide was reviewed, covering TBC composition selection, structure design, coating forming techniques, failure mechanisms, life prediction as well as the future development of TBC.
Key words: ZrO2 ceramic; nano-structured coating; thermal barrier coating; thermal spray; failure mechanism