1) colored passive film
彩色钝化膜
2) iridescent passivation
彩色钝化
1.
Study of trivalent chromium iridescent passivation technology producing high corrosion resistance for electroplated zinc coatings;
镀锌层高耐蚀性三价铬彩色钝化工艺研究
2.
The mechanism on the appearance of hexavalent chromium in passivation films of trivalent chromium iridescent passivation for zinc coating was suggested,and the influences of various parameters(the passive temperature;pH value;solution concentration;solution ingredient etc.
提出了镀锌层三价铬彩色钝化膜中在空气中放置一段时间后六价铬出现的机理,介绍了钝化液温度、pH 值、钝化时间、钝化液浓度以及钝化液成分等多种工艺条件对钝化件钝化层放置期间形成六价铬的影响。
3.
In this work,we developed a novel trivalent iridescent passivation and studied the influence of various technical parameters on the surface appearance and corrosion resistance of the passivation film.
三价铬彩色钝化液对环境的污染较小,但是三价铬钝化液处理的钝化件特别是彩色钝化件,在空气中放置一段时间后还是会检出微量的六价铬,影响了三价铬钝化液的应用与推广。
3) iridescent passivation
彩虹色钝化
1.
A new trivalent chromium iridescent passivation process for zinc coating is developed through probing test,orthogonal experiment and single-factor test.
结果表明,彩虹色钝化膜具有良好的耐蚀性,96 h中性盐雾试验没有出现白锈。
2.
High-corrosion resistant trivalent chromium,bright blue passivation solution,iridescent passivation solution and black passivation solution have been developed successfully in our laboratory,and the relationship between various parameters and corrosion resistance and ornamentation was studied.
介绍了本实验室研制的高耐蚀性三价铬蓝白色钝化液,彩虹色钝化液,黑色钝化液的钝化工艺条件对饨化膜耐腐蚀性能与装饰性能的影响。
4) change color of chromating film
钝化膜变色
5) 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。
6) double layer passiviation black coating
双层黑色钝化膜
补充资料:钝化膜
分子式:
CAS号:
性质: 活性溶解着的金属进入钝态后,在金属表面上存在着一成相的保护膜。这层膜为氧化膜,亦称钝化膜,它阻滞腐蚀的阳极过程,从而使腐蚀速度显著降低。氯离子是活性阴离子,它能破坏钝化膜,使钝态的金属重新活化。因此研究钝化膜的生长和破坏、膜的性质和结构、膜和金属的溶解,对于了解金属的腐蚀行为至关重要。
CAS号:
性质: 活性溶解着的金属进入钝态后,在金属表面上存在着一成相的保护膜。这层膜为氧化膜,亦称钝化膜,它阻滞腐蚀的阳极过程,从而使腐蚀速度显著降低。氯离子是活性阴离子,它能破坏钝化膜,使钝态的金属重新活化。因此研究钝化膜的生长和破坏、膜的性质和结构、膜和金属的溶解,对于了解金属的腐蚀行为至关重要。
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