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铝合金和纯铝压铸能不能做氧化效果?
发布日期:2021-10-07 15:17:27

   铝合金压铸件的应用越来越广泛,人们对产品质量和外观的要求也越来越严格。氧化处理后的产品外观非常漂亮,但许多客户没有办法完美的处理铝合金压铸件氧化处理的问题,铝的阳极氧化是空气氧化的整个过程通过电解。在整个生产过程中,铝及铝合金型材的表面层一般转化为一层空气氧化膜,具有防护性、装饰艺术性等多种功能。从这个定义出发,铝的阳极处理只包括向阳极处理膜转化的全过程。

   


佛山晶鑫压铸五金制品厂经过技术的研究发现铝合金压铸件和铸件一般含硅量较高。即使采用 ht412专用除灰剂压铸铝,阳极氧化膜也会呈现深棕色,不可能得到完全透明的无色氧化膜。随着硅水含量的增加,阳极氧化膜的颜色由浅灰色变为深灰色,再变为灰黑色。因此,铝合金铸件不宜采用传统的阳极处理方法。

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