【摘要】 3价铬钝化以其环保,工艺简单以及良好的耐热性成为了铬酸盐钝化最有可能的替代品。综述了3价铬钝化的原理及其基本组成,详细介绍了国内外3价铬钝化专利技术的发展历程,指出了国内的3价铬钝化与国际先进水平所存在的差距。更多还原

【Abstract】 Trivalent chromium passivation technology would be to replace the Cr(Ⅵ) passivation technology because it is environment-friendly,simple process and well heat-resistance.The formation mechanism and the composition of passivation solution were introduced and the development of patents were summarized.It was also pointed out the disparity between domestic and overseas development.更多还原