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磷化处理常用于提高钢铁件的耐蚀性。为提高磷化膜的装饰效果，开发出一种常温铁系彩色磷化工艺。探讨了磷化液中各组分及操作条件对彩色磷化膜质量的影响，并对所得的磷化膜的性能进行了测试。结果表明：该工艺所得磷化膜色泽均匀、鲜艳、具有较强的装饰效果。磷化液使用寿命长，成本低，污染小，适用于钢铁件的装饰和涂装的底层处理。
Phosphating treatment is often used to improve the corrosion resistance of steel parts. In order to improve the decorative effect of the phosphate film, a color iron phosphating process has been developed at room temperature. The effects of components and operating conditions in phosphating solution on the quality of color phosphating film were discussed. The properties of the obtained phosphating film were also tested. The results show that the phosphating film obtained by the process has the advantages of uniform color, bright color and strong decorative effect. Phosphating liquid long service life, low cost, low pollution, suitable for the decoration and coating of steel parts of the underlying treatment.