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1·The filiform corrosion phenomenon of coated aluminum was found.

发现涂膜下铝合金发生丝状腐蚀。

2·The type, the characteristics, the formation process, and the influencing factors of filiform corrosion were analyzed and discussed.

对涂膜下铝合金丝状腐蚀的几个特点、类型、形成过程和影响因素进行了分析和讨论。

3·The exposure test of aluminum automotive wheel hub was carried out under shelter and outdoor at Wanning station for 24 months. The filiform corrosion phenomenon of coated aluminum was found.

对铝合金汽车轮毂在海南万宁试验站进行为期24个月的棚下和户外暴露试验，发现涂膜下铝合金发生丝状腐蚀。