1) trivalent chromium passivation film
三价铬钝化膜
1.
The effects of grain size on the electrochemical corrosion behaviors of zinc and trivalent chromium passivation film on zinc have been studied respectively by electrochemical methods.
利用电化学方法分别研究了晶粒尺寸对纯锌及其表面三价铬钝化膜腐蚀行为的影响。
2) Trivalent chrome passivation
三价铬钝化
1.
Mechanisms of trivalent chrome passivation for zinc plating were reviewed as well as its research progress at home and abroad.
综述了镀锌层三价铬钝化机理以及国内外三价铬钝化研究进展情况,这些研究成果为取代剧毒的六价铬钝化,具有较高的实用参考价值。
3) tri-chrome passivation
三价铬钝化
1.
The performance of corrosion resistance of tri-chrome passivation has not only reached or exceeds the level of chrome,but also is obviously better than chrome in temperature resistance,zinc alloy passivation,and satisfying some special mechanical demand.
三价铬钝化的防锈性能不仅能够达到甚至可以超过六价铬钝化的水平,在耐高温性方面分析了锌和锌合金镀层三价铬钝化和六价铬钝化的优劣,三价铬钝化满足特种力学性能方面还要明显的优于六价铬钝化。
2.
Non-chromate passivation;Tri-chrome passivation;Seal treatment;Corrosion resistance;Research developmen
目前无铬钝化和三价铬钝化已取得积极的进展,三价铬钝化已应用于生产,并获得良好的效果。
4) trivalent chromium passivation
三价铬钝化
1.
Following the alkaline zinc plating process,the trivalent chromium passivation process is conducted to provide a protection layer for zinc coating.
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。
2.
The application situation of trivalent chromium passivation technology at home and abroad were also introduced briefly.
概述了镀锌层三价铬钝化膜形成机理及特性,及国内外三价铬钝化工艺应用情况,三价铬钝化液的使用寿命长,镀液成分较稳定,并可得到不同色泽的钝化膜,采用封闭剂处理显著提高了膜层耐蚀性;三价铬钝化能减少对环境的污染,是我国电镀清洁生产推荐的工艺,具有实用参考价值。
5) Cr3+ blue-white passivating
三价铬蓝白钝化
1.
A Cr3+ blue-white passivating technology for zinc plating of NdFeB magnets was developed, and the effects of process conditions on the performance of corrosion resistance and the appearance of the passivation film were studied.
针对钕铁硼磁体镀锌,开发了一种环保型三价铬蓝白钝化工艺,实验研究了工艺条件对钝化膜外观及耐腐蚀性能的影响,确定出三价铬蓝白钝化最佳工艺:pH值为2。
6) trivalent chromium iridescent passivation
三价铬彩色钝化
1.
The causes for the formation of hexavalent chromium in trivalent chromium iridescent passivation film were analyzed in terms of the formulation and temperature of trivalent iridescent passivation bath as well as zinc electroplating process.
从三价铬彩钝的配方、温度及镀锌工艺等方面,分析了三价铬彩色钝化膜中六价铬产生的原因。
补充资料：铬酸盐钝化
分子式：
CAS号：
性质：表面处理和镀后处理的一种方法。广泛用于铝或铝镁合金压铸件的表面防护与装饰；为铝带提供喷漆的中间膜层，使漆膜能牢固结合；用于锌或镉镀层的镀后处理，可提高镀层的耐蚀性和可焊性并增加美观。
CAS号：
性质：表面处理和镀后处理的一种方法。广泛用于铝或铝镁合金压铸件的表面防护与装饰；为铝带提供喷漆的中间膜层，使漆膜能牢固结合；用于锌或镉镀层的镀后处理，可提高镀层的耐蚀性和可焊性并增加美观。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条