| 简介 |
物件包含主体和至少一保护层，保护层位於主体的至少一表面上。至少一保护层系厚度小於约20微米的薄膜，且包含选自由Y3Al5O12、Y4Al2O9、Er2O3、Gd2O3、Er3Al5O12、Gd3Al5O12和陶瓷化合物所组成群组的陶瓷，陶瓷化合物包含Y4Al2O9与Y2O3-ZrO2固体溶液。 An article comprises a body and at least one protective layer on at least one surface of the body. The at least one protective layer is a thin film having a thickness of less than approximately 20 microns that comprises a ceramic selected from a group consisting of Y3Al5O12, Y4Al2O9, Er2O3, Gd2O3, Er3Al5O12, Gd3Al5O12and a ceramic compound comprising Y4Al2O9and a solid-solution of Y2O3-ZrO2. |
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