介绍了可磨耗封严涂层和热障涂层的研究现状.通过对二者发展共性的探讨.提出了开发一种广泛应用于燃气轮机及航空发动机部件上,既具有高温隔热性能又具有高温可磨耗性能的新型涂层.该新型涂层通过热障涂层的工作方式,能有效提高发动机部件的使用温度,并能以可磨耗封严的工作方式改善发动机的密封性能,最终大幅度提高发动机的燃气效率及使用寿命.通过对该新型涂层的概念、结构特点、实现方法以及优异性能的系统分析,指出了新型高温隔热可磨耗封严涂层的应用潜力及研究发展方向.
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