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Methods of Improving Surface Roughness of an Environmental Barrier Coating and Components Comprising Environmental Barrier Coatings Having Improved Surface Roughness
Methods of Improving Surface Roughness of an Environmental Barrier Coating and Components Comprising Environmental Barrier Coatings Having Improved Surface Roughness
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机译:改善环境屏障涂层的表面粗糙度的方法和包含具有改善的表面粗糙度的环境屏障涂层的组分
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摘要
A method for improving surface roughness of an environmental barrier coating (12) comprising: providing a component (10) having a plasma sprayed environmental barrier coating; applying a slurry to the environmental barrier coating of the component, the slurry comprising a transition layer slurry or an outer layer slurry; drying the environmental barrier coating having the applied slurry; and sintering the component to produce a component having an improved surface roughness wherein the slurry comprises: water; a primary transition material, or a primary outer material; and at least one slurry sintering aid.
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