1) molybdate passivation film
钼酸盐钝化
1.
Tafel polarization curves and electrochemical impedance spectra (EIS) were recorded to investigate the effect of several additives including mono ethanol amine, cerium nitrate, plant acid, and hydroxy sub-hexyl diphosphine acid on the electrochemical behavior of molybdate passivation film on galvanizing coating.
利用塔菲尔(Tafel)极化曲线和电化学交流阻抗谱,研究了不同添加剂单乙醇胺、硝酸铈、植酸和羟己叉基二膦酸对镀锌层钼酸盐钝化膜腐蚀电化学性能的影响,并与加速腐蚀试验结果进行了对比。
2) molybdate passivation
钼酸盐钝化处理
1.
The corrosion resistance of Sn-Zn alloy is further improved in this paper by means of molybdate passivation and the passivation film is analysed by AES and XPS techniques.
本文采用钼酸盐钝化处理,可进一步提高合金的耐蚀性;用AES和XPS方法对钝化膜进行了分析,并对钝化膜的性质和耐磨性进行了讨论。
4) silicate passivation
硅酸盐钝化
1.
Based on the earlier stage research, this study established a proper preparation technology of manganese metal, and compared three kinds of chromate-free and phosphate-free passivation technologies and selected the silicate passivation technology which showed better effect in optimization experiment.
试验测试结果均表明,硅酸盐钝化膜能显著提高电解金属锰的防腐性能,对金属锰基体起到了一定的保护作用。
6) chromate passive film
铬酸盐钝化膜
1.
Increasing the thick ness of chromate passive film on tinplating surface of LTS was adopted to solve the problem of cor- rosion resistance decrease, and effects of increasing surface chro- mate passive film thick on the welding performance and coating properties were also introduced.
0g/m2 低锡量镀锡板表面铬酸盐钝化膜厚度方法 ,来弥补由于镀锡层降低带来的耐蚀性下降缺陷。
2.
The applicability of a low concentration chromate passive film to hot dipped zinc aluminum alloy coated steel wires was examined.
探索了低浓度铬酸盐钝化处理在热浸镀锌铝合金镀层上的应用·采用盐雾试验、电化学腐蚀试验和人造海水浸泡试验对锌铝合金镀层表面低浓度铬酸盐钝化膜的耐蚀性进行了测试，并借助ＸＰＳ和ＡＥＳ对钝化膜的组成进行了分析·结果表明，锌铝合金镀层经低铬酸盐钝化处理后耐蚀性得到了显著提高，钝化膜的元素组成（ 原子数分数，％ ） 为：Ｓ５－５ ，Ｎａ ３－４ ，Ｃ１１－８ ， Ｔｉ ７－９ ，Ｏ４１－６ ，Ｃｒ １３－７ ，Ｚｎ １６－０
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