锌酸盐镀锌
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采用电化学方法、扫描电镜和X射线光电子能谱研究了锌酸盐镀锌层的三价铬钝化膜的电化学性能、表面结构与成膜机理。
The electrochemistry behavior , surface microstructure and forming process of trivalent chromium passivation film were studied by electrochemical methods , scanning electron microscopy and X-ray photoelectron spectroscopy .
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在碱性锌酸盐镀锌液中加入氧化铝和自制添加剂,获得了光亮Zn-Al合金镀层。
A bright zinc-aluminum alloy coating was obtained by electroplating from alkaline zincate solution with addition of alumina and home-made additive .
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关于DPEⅢ酒石酸钾钠锌酸盐镀锌的研究
Studies on plating zinc in dpe ⅲ + potassium sodium tartrate solutions of zincate
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为改善精铸管接件的镀锌钝化质量,对其采用的锌酸盐镀锌工艺进行了整改和维护,同时应用了CS封闭剂。
In order to improve galvanizing passivation quality of precise cast pipe connecting parts , some modifications and maintenances of zincate plating technology are carried out and at the same time , CS is also applied .
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应用线性扫描伏安法和微分电容法研究了锌酸盐镀锌中四乙烯五胺(tetren)对Zn(OH)4~(2-)放电步骤的阻化和催化作用。
The inhibition and catalysis effects of tetren on discharge of Zn ( OH ) 42 - in alkaline zincate bath have been studied by means of voltammetry and differential capacity measurement .
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生产应用结果表明,采用锌酸盐镀锌新工艺及CS封闭剂不仅提高了管接件外观质量,而且提高了其耐蚀性及消除了白点腐蚀缺陷。
The results of production application have shown that using the new zincate plating technology and CS can improve not only the appearance quality of pipe connecting parts , but also the anticorrosion performance and elimination of white spot corrosion defection .
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DE-81(3)型碱性锌酸盐镀锌工艺的应用
Application of DE-81 ( 3 ) alkaline zincate electroplating
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碱性锌酸盐镀锌废水处理与回用的实践
The Practice of the Treatment and Reuse of Basicity Zincate Zinc-coated Wastewater
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新型碱性锌酸盐镀锌工艺对锌阳极板的要求
Requirement for Zinc Anodic Plate in New Generation Alkali Zincate Zinc Electroplating
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脉冲电流对锌酸盐镀锌层的影响
Effects of Pulse Current on the Zinc Coating Formed in Zincate Bath
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无氰碱性锌酸盐镀锌光亮剂的研究
Study on the Brightener for High Bright Zn-plating in Zincate Solution of Non-cyanide
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锌酸盐镀锌层的三价铬蓝色钝化
Blue-bright passivation with trivalent chromium solution for zincate plating
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锌酸盐镀锌阴极电流效率的研究
A Study of the Cathodic Current Efficency in Zincate Zinc Plating Photosynthetic Efficiency
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线外活化法锌酸盐镀锌
Zincate Zinc Plating with Off-line Activation
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采用缩合、季碱化及酯化反应研制了一种178碱性锌酸盐镀锌光亮剂。
A called " 178 " brightening agent for alkaline zincate bath was prepared by condensation , quaternization .
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水玻璃锌酸盐镀锌研究Ⅱ水玻璃锌酸盐镀液的组成及成络反应
A Study of Water Glass-Zincate Bath for Zinc Plating ⅱ . Constituents and Complexing Reaction of Water Glass-Zincate Bath for Zinc Plating
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水玻璃锌酸盐镀锌研究&Ⅲ、简单锌硅络离子组成与稳定常数测定
A Study of Water Glass-Zincate Both for Zinc Plating & ⅲ . Potentiometric and Polarographic Studies of Constituents and Stability Constants for Single Zinc-Silicon Complexes
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研究了在锌酸盐镀锌体系中采用脉冲电流时,脉冲频率、脉冲的占空比、反向电流对镀层外观、耐蚀性的影响。
The effects of pulse current , frequency , duty ratio and inverse current in zincate system on the appearance and corrosion resistance of zinc coating are investigated .
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本文使用X&射线衍射法测定了锌酸盐镀锌层(1120)择优面上的第Ⅰ类应力和第Ⅱ类应力。
The internal stress of the first and the second kind of the preferred orientation face ( 1120 ) of Zinc electrodeposits from the zincate bath was determined by means of X-ray diffraction .
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简要介绍了碱性锌酸盐镀锌光亮剂中常用的载体光亮剂、主光亮剂及辅助光亮剂的基本性能,以及碱性镀锌光亮剂的配制原理及操作工艺。
The fundamental properties of the carrier , main and auxiliary brighteners commonly adopted in the brighteners for alkaline zincate zinc plating are presented , and the formulating principle and operating process are also described .
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碱性锌酸盐镀锌常会出现镀层起泡故障,严重影响镀层质量。分析了碱性锌酸盐镀锌各个工序中镀层起泡的原因,并介绍了相应的控制方法。
The blistering often appeared in alkaline zincate zinc plating has very bad effects on the deposit quality , The reasons for blistering in every procedure of alkaline zincate zinc plating and the corresponding solutions to it were introduced .
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回顾我国无氰碱性锌酸盐镀锌光亮剂20年来的发展状况;介绍一种能在无氰碱性锌酸盐镀锌体系中产生镜面似的高光亮镀锌层的光亮剂&WD90A。
This paper reviews the development of the brightener of more than 20 years for Zn-plating zincate solution of non-cyanide in our country and introduces a new brig - htener ( WD90A ) which produces a kind of mirror zinc coating .
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锌酸盐电镀锌钴合金工艺研究
Study of zinc-cobalt plating from zincate bath
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钢铁件在锌酸盐或酸性镀锌15μm后,采用此工艺钝化,得到的钝化膜抗白锈试验24h,中性盐雾试验72h达到5级(符合国家标准),钝化液排放达到环保要求。
Results showed that the passivation film reached ( GB ) grade 5 after 24 hours white rust resistance test and 72 hours neutral salt spraying test .