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Method to improve the service life of zirconia-based coatings applied by plasma spray techniques, using uniform coating particle size

机译:使用均匀的涂层粒径,通过等离子喷涂技术提高氧化锆基涂层使用寿命的方法

摘要

A method for improving the quality of a zirconia-based coating deposited on a metal-based substrate is disclosed. The method comprises the step of plasma-spraying zirconia powder of substantially uniform particle size onto the substrate. The disclosure further relates to an improved powder source material for use in a plasma. The source material is zirconia powder having a uniform particle size, and optionally, a uniform particle density. The use of such a material results in improved thermal barrier coatings for various substrates, such as those found in a turbine engine.
机译:公开了一种用于改善沉积在金属基衬底上的氧化锆基涂层的质量的方法。该方法包括将基本均匀粒径的氧化锆粉末等离子喷涂到基底上的步骤。本公开还涉及用于等离子体的改进的粉末源材料。原料是具有均一的粒度和任选地均一的颗粒密度的氧化锆粉末。这种材料的使用导致用于各种基底的改进的热障涂层,例如在涡轮发动机中发现的那些。

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