Under the spark discharge treatment, the structure of the anodic layer was significantly changed, the enrichment of silicon and oxygen was enhanced, and the surface potential was ennobled.

发现火花放电不仅改变氧化膜的表面形貌结构，还能够促进氧化膜表面硅、氧元素的富积，并使火花放电区域的表面电位正移。

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Under the spark discharge treatment, the structure of the anodic layer was significantly changed, the enrichment of silicon and oxygen was enhanced, and the surface potential was ennobled.

发现火花放电不仅改变氧化膜的表面形貌结构，还能够促进氧化膜表面硅、氧元素的富积，并使火花放电区域的表面电位正移。

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