金属粘结层与陶瓷涂层均呈层状结构，陶瓷涂层致密性较差、易出现微裂纹，金属粘结层相对致密、一般无裂纹。

Both the metal bond coat and the ceramic coat display a laminar structure. The ceramic coat shows less density and there exists some cracks frequently, whereas the bond coat denser and no cracks.

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金属粘结层与陶瓷涂层均呈层状结构，陶瓷涂层致密性较差、易出现微裂纹，金属粘结层相对致密、一般无裂纹。

Both the metal bond coat and the ceramic coat display a laminar structure. The ceramic coat shows less density and there exists some cracks frequently, whereas the bond coat denser and no cracks.

youdao