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- The development history of trivalent chromium passivation for zinc plating was overviewed. 概述了镀锌三价铬钝化的发展历程。
- The trivalent chromium passivation film based on zincate plating obtained has compact structure with no obvious crack, and excellent anticorrosion performance. 结果表明:锌酸盐镀锌层的三价铬钝化膜表面结构致密、无明显裂纹,具有较好的耐腐蚀性能;
- Trivalent chromium passivation possesses as good performance as hexavalent chromium passivation, but the toxicity related to trivalent chromium passivation is only one percent of the latter one. 三价铬钝化在许多方面具有与六价铬钝化类似的性质,而毒性只有六价铬的百分之一。
- With long term practice of zinc plating,we studied and obtained the good methods applied to the process maintenance for trivalent chromium passivation,and the methods for troubleshooting. 简述了三价铬钝化工艺条件及分析方法,并通过长期的生产实践,摸索出三价铬钝化中切实可行的工艺、维护管理方法及出现的钝化膜发雾、发黄、发花、不连续等故障产生的原因及排除措施。
- trivalent chromium passivation coating 三价铬钝化膜
- trivalent chromium passivation film 三价铬钝化膜
- "Trivalent chromium passivation shall be used unless written exception or specification update provided." 要应用三价铬的钝化,有书面指出的例外或规格更新时除外。
- Keywords zinc coating;trivalent chromium passivation;maintenance;troubleshooting; 镀锌层;三价铬钝化;维护管理;故障排除;
- Keywords trivalent chromium passivation;self-hoal ability;sealing treatment;zinc coating; 三价铬钝化;自愈能力;封闭处理;镀锌层;
- Keywords zinc plating;trivalent chromium passivation;sealer;nano-particle;corrosion resistance; 镀锌;三价铬钝化;封孔剂;纳米微粒;耐蚀性;
- trivalent chromium passivation 三价铬钝化
- The history of trivalent chromium electroplating was looked back. 回顾了三价铬镀铬的历史。
- trivalent chromium bright blue passivation 三价铬蓝白色钝化工艺
- trivalent chromium iridescent passivation 三价铬彩色钝化
- One such crystal is the ruby, which contains trivalent chromium ions dispersed in a matrix of alumina. 这样的晶体有一种叫“红宝石”,它包含的三价铬离子弥散在氧化铝的基体中。
- The hazards of hexavalent chromium electroplating, and the benefits of trivalent chromium electroplating were analyzed. 分析了六价铬电镀的危害及三价铬电镀的优点,以及三价铬电镀取代六价铬电镀带来的效益。
- The major advantages and disadvantages of trivalent chromium electroplating were introduced. 介绍了三价铬镀铬的主要优点与缺点。
- The chromium deposition velocity of trivalent chromium electroplating was researched. 对三价铬电解液镀铬的沉积速度进行了实验研究。
- Hexavalent chromium is the most toxic form, the toxicity of trivalent chromium than 100 times. 六价铬是毒性最大的形态,其毒性比三价铬高100倍。
- The mechanisms and prospect of trivalent chromium plating were introduced.And some problems that should be deeply studied were pointed out. 还介绍了三价铬电镀的机理及展望,并提出了有待深入研究的问题。