The action of the combined brightener was studied by Hull Cell test, the determination of cathodic current efficiency and polarization curves. 通过赫尔槽试验,电流效率及阴极极化曲线的测量研究了该光亮剂的作用效果。
Table listed cathodic current density and average load in different plating solutions, thereby tank size was calculated. 列表说明各镀种阴极电流密度、平均装载量等数据,由此计算所需设置的镀槽尺寸。
Methylsulfonate bath composition for Pb-Sn alloy electroplating was studied. Concentrations of main salts, free acid and stabilizers and cathodic current density on the Sn content in the Pb-Sn alloy coating were discussed. 研究了甲磺酸电镀Pb-Sn合金的电解液组成,讨论了主盐、游离酸、稳定剂的质量浓度以及阴极电流密度对Pb-Sn合金镀层中Sn含量的影响。
The hardness and rate of resistance of copper electrodeposited were tested under various cathodic current densities. 通过改变镀铜工艺中的阴极电流密度参数,测定了所获得镀铜层的硬度及电阻率。
The cathodic current density used can reach at more than 60 A/ dm~ 2. 其允许使用的阴极电流密度上限可超过60A/dm~2。最后,文中还给出了氨基磺酸盐的镀铁工艺。
The effects of cathodic current density and pH value on the wear resistance of deposited composite coatings were studied. 并考察了阴极电流密度、镀液pH值等主要工艺参数对纳米复合镀层耐磨性的影响。
The effects of cathodic current density, concentration of suspended nano-SiO2 powders, pH value, stirring style and concentration of surfactant agent on the deposition rate were studied. 研究了阴极电流密度、微粒浓度、pH值、搅拌方式和表面活性剂种类以及浓度等对镀层沉积速率的影响,为正确制定电镀工艺提供了依据。
Calculating cathodic current efficiency based on the by-products in electrolysis 通过电解副产物计算阴极电流效率
The study shows that gelatin can increase cathodic superpotential, cathodic current efficiency and specific resistance. 研究表明:明胶能增大阴极过电位,能提高阴极电流效率,提高电解液的比电阻。
The effect of suspended carbon nanotubes, bath temperature, pH value, agitation rate and cathodic current densities on the content of carbon nanotubes in the electrodeposites is studied. 分析了镀液中碳纳米管的悬浮量、镀液温度、pH值、阴极电流密度及搅拌速度对镀层中碳纳米管含量的影响。
The effects of bath composition, pH and cathodic current density on cathodic current efficiency, composition and structure of the alloy were studied. 研究了镀液的组成、pH值及阴极电流密度等对阴极电流效率、合金组成以及合金结构的影响。
The results revealed that the microstructure of the cerium conversion coatings was closely related to the porous structure of anodized film and changed gradually with electrolysis time and cathodic current density. 结果表明:这种铈转化膜的微结构与氧化膜的多孔结构紧密相关,并且随电解时间和电流密度的改变而逐渐变化;
However, the hydrogen inhibitor had little effect on the cathodic current efficiency of Zn electrodeposition, because in this case the S species with lone-pair electrons in the inhibitor was hard to be chemically adsorbed on the surface of Zn with fully-occupied outer valence electron orbit. Zn价电子已满,含有孤对电子的硫族化合物不能在其表面发生化学吸附,故抑氢剂对纯Zn电镀的阴极电流效率影响不大。
The effects of the cathodic current density, bath composition, temperature, pH value and pre-electrolyzation on the chemical composition and structure of deposits were discussed. 讨论了阴极电流密度、镀液组成、温度、pH值以及预电解对镀层的化学组成和结构的影响。
And the results show that the coercive force of electroforming iron foil is in direct proportion to cathodic current densities, and is inversely proportional to electroforming temperature; 测试了样品铁箔的磁滞回线,结果表明:电成型铁箔的矫顽力随阴极电流密度的增大而增大,随电成型温度的提高而降低;
In experiment exploring of the effect of various technological condition ( bath composition, cathodic current density) on cathodic current efficiency was stressed. 实验中重点探讨了各种工艺条件(镀液组成及阴极电流密度)对阴极电流效率的影响;
The magnetic hysteresis curve of iron foil prepared by electrodeposition in different cathodic current densities and temperature was tested. 测试了电沉积溶液温度和阴极电流密度变化时电沉积铁箔的磁滞回线。
In the end, the influences of current density and pH on cathodic current efficiency, bath throwing power and electrochemical characteristics are discussed. 本文还研究了电流密度和pH值对阴极电流效率的影响、镀液的分散能力和电化学特性。
The influence of the cathodic current density at bath pH 3.0 and the magnetic field parallel to the cathodic surface on the structure of the deposit was studied by X-ray diffraction, respectively. 采用X射线衍射研究在镀液pH3.0下阴极电流密度和外加磁场对所得镀层结构的影响。
The influences of pH value, the amount of H2O2, electrolyte temperature, loading time, cathodic potential and cathodic current density on depositing calcium phosphate coating were investigated. 研究了电沉积方法在基体钛表面制备生物活性陶瓷涂层过程中电解液pH值、添加H2O2量、沉积温度、沉积时间,以及阴极电位和阴极电流密度等影响因素。
The effect of cathodic current densities, nano-SiO_2 concentration, pH values, stirring style and surfactants on the content of nano-SiO_2 in the electrodeposites was studied. 研究了阴极电流密度、纳米SiO2微粒质量浓度、pH值、搅拌方式和表面活性剂种类以及质量浓度等对镀层中SiO2含量的影响,确定了可获得一定纳米氧化硅含量的复合镀工艺参数范围。
The results show that the ranges of cathodic current density and temperature are extended. 结果表明:超声波的作用扩大了电流密度范围和温度范围;
Influence of Cathodic Current Density on Properties of NiSiC Composite Coatings 阴极电流密度对Ni-SiC复合镀层性能的影响
Optimum range of cathodic current density for lead electroplating was determined by Huss Cell test. 通过霍尔槽试验确定了最佳阴极电流密度范围。
Studies on the Cathodic Current Efficiency in the Electrodeposition Ni PSZ Gradient Coating 电沉积Ni-PSZ梯度镀层过程中阴极电流效率的研究
The effect of suspended tungsten carbide particles, bath temperature and cathodic current densities on the content of tungsten carbide in the electrodeposits was studied, the preferred plating parameters were also optimized by orthogonal test. 分析了镀液中碳化钨微粒的悬浮量、镀液温度及阴极电流密度对镀层中碳化钨含量的影响,并进一步通过正交试验优选出一种较佳的操作条件。
The effect of such parameters as temperature, concentration of Ni2+ and Cl-, pH, cathodic current density ic of electrolysis process for superfine nickel powders on cathodic current efficiency is studied by cyclic electrolysis process. 用循环电解实验装置对超细镍粉的电解制备工艺进行了研究。探讨了温度,Ni2+,Cl-浓度,pH值,阳极电流密度ic对阴极电流效率的影响。
Zn-Ni alloy plating has been investigated to understand the effect of composition and plating parameters of sulphate bath on nickel content and surface morphologies of the coatings. Nickel content of Zn-Ni alloy coatings was strongly influenced by the cathodic current density. 研究了Zn-Ni合金镀液中主盐的组成、电镀工艺参数对Zn-Ni合金镀层中的含镍量及镀层性能的影响,结果表明,电流密度是影响Zn-Ni合金镀层中含镍量的主要因素。
The additives reduce the cathodic current density in the region of the peak and move to the negative direction. 光亮剂的加入能够抑制阴极峰电流,使沉积电势负移。
Simultaneously we examine several factors, such as the composition of the molten salt, electrolytic temperature and cathodic current density, affect on electrolytic process. 同时考查了熔盐组成、电解温度和阴极电流密度等因素对电解过程的影响。