铝及铝合金硬质阳极氧化膜层的脆性及其对策

Fragility of Hard Anodized Film of Al and Its alloys and Countemeasures

讨论了铝质零件硬氧化膜层的性质，提出了在不同曲面上膜层的临界厚度概念，通过分析与实验，推荐了膜层的临界厚度值、电解液配方、工艺参数及后处理方案。

This paper dlscusses the properties of hard anotlized film of Al and its alloys, advances a conceptof critical thickness on different location. recommends critical thickness . electrolyte, technological parameter andafter-treatment schemes through analysis and experiments.