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采用载波钝化法在硫酸溶液中获得了不锈钢的彩色钝化膜,探讨了所载方波的参数对着色的影响。结果表明:载波钝化所载方波的各参数(频率、占空比和高、低电位幅值)对着色膜厚度的影响都有一定的规律。运用极化曲线对方波各参数的影响作了初步分析,以便提高着色工艺并为进一步研究着色机理提供实验数据。
The color passivation film of stainless steel was obtained by the passivation of carrier wave in sulfuric acid solution. The influence of the parameters of the square wave on the coloring was discussed. The results show that the influence of square wave parameters (frequency, duty cycle, high and low potential amplitude) on the thickness of the colored film are all controlled by the carrier passivation. Polarization curves were used to analyze the influence of the square wave parameters in order to improve the coloring process and provide experimental data for further study of the coloring mechanism.