SEM and EPM results indicate that cracks form at edges and corners of LY12 aluminum alloy's oxide film.

通过扫描电镜和电子探针发现，LY12型铝合金棱角部位阳极氧化膜产生了裂纹。

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SEM and EPM results indicate that cracks form at edges and corners of LY12 aluminum alloy's oxide film.

通过扫描电镜和电子探针发现，LY12型铝合金棱角部位阳极氧化膜产生了裂纹。

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