Method for manufacturing thermal barrier coating with reduced rare-earth contents using suspension p

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The present invention relates to a method of manufacturing a thermal shield coating layer using suspension plasma thermal spraying and, more specifically, relates to a method of manufacturing a high-temperature environment thermal shield coating layer, comprising : (a) a step of preparing a suspension in which thermal shield coating oxide particles are dispersed; and (b) a step of forming a coating layer on a parent metal by suspension plasma thermal spraying using the suspension. The thermal shield coating layer includes low thermal conductivity complex oxide ceramics represented by A_(2-x)Zr_(2+x)O_(7+0.5x) (where A is Gd, Sm, or Dy, 0 (AA) Start(BB) End(S10) Prepare a nanosuspension including thermal shield coating oxide particles(S20) Form a thermal shield coating layer including rare-earth reduction low thermal conductivity ceramics using suspension plasma thermal sprayingCOPYRIGHT KIPO 2017