热障涂层
燃烧室
燃气轮机
涡轮机
润滑
耐久性
材料科学
保温
涡轮叶片
腐蚀
陶瓷
机械工程
复合材料
工程类
燃烧
图层(电子)
化学
有机化学
作者
Nitin P. Padture,Maurice Gell,Eric H. Jordan
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2002-04-12
卷期号:296 (5566): 280-284
被引量:3968
标识
DOI:10.1126/science.1068609
摘要
Hundreds of different types of coatings are used to protect a variety of structural engineering materials from corrosion, wear, and erosion, and to provide lubrication and thermal insulation. Of all these, thermal barrier coatings (TBCs) have the most complex structure and must operate in the most demanding high-temperature environment of aircraft and industrial gas-turbine engines. TBCs, which comprise metal and ceramic multilayers, insulate turbine and combustor engine components from the hot gas stream, and improve the durability and energy efficiency of these engines. Improvements in TBCs will require a better understanding of the complex changes in their structure and properties that occur under operating conditions that lead to their failure. The structure, properties, and failure mechanisms of TBCs are herein reviewed, together with a discussion of current limitations and future opportunities.
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