Studying the Effect of Cathodic Polarization on the Susceptibility of 907 Steel to Hydrogen Embrittlement (电)阴极的,负极的阴极极化对海水中907钢氢脆敏感性影响研究
Cathodic polarization curves of lead, cadmium and lead| cadmium fluorosilicate baths were studied. 研究了氟硅酸酸盐体系中铅、和铅镉混合镀液的阴极极化曲线。
Effect of Cathodic Polarization on the Susceptibility to Hydrogen Embrittlement of 907 Steel 负极词的极端敏感性及允准条件研究阴极极化对907钢氢脆敏感性的影响
Voltammetric determination of nickel disk cathodic polarization curve in chromating bath is presented. 采用伏安法测量镍盘电极在铬酸钝化液中的阴极极化曲线。
A technique for determining corrosion current density ⅰ_ ( corr) and anodic and cathodic Tafel coefficient b_a and b_c based on the data on cathodic polarization curve in weak polarization region was suggested. 发展了一种根据弱极化区的单支极化曲线确定腐蚀电流密度Ⅰ(corr)和阳极反应与阴极反应的Tafel斜率ba与bc的方法。
The relationship between jet flow rate, current density and cathodic overpotential was studied by measuring cathodic polarization curve in simple sulfate system. 通过阴极极化曲线的测定研究了硫酸盐电解液喷射速度u(流速)对电流密度jc和阴极过电位ηc的影响。
Through adding assistant complexing agent and controlling initial current density, cathodic polarization was intensified in cyanide-free electrolyte. 通过添加辅助络合剂和控制起始电流密度的方法,可以增强无氰电镀时阴极的极化。
Effect of gelatin on cathodic polarization, current efficiency, and specific resistance was described, and mechanism of gelatin in electrolytic refining was also studied. 研究了明胶对阴极极化、电流效率、电解液比电阻的影响,研究了在电解过程中明胶的电析消失现象,探讨了明胶的作用机理。
The effects of organic additives on electrodeposited Fe-Co-Ni alloys are studied by determination of cathodic polarization curves and electrodeposition tests. 通过测定阴极极化曲线和电沉积试验,研究了有机添加剂对电沉积铁钴镍合金的影响。
The action mechanism of nanoLa_2O_3 on the surface of cathodic electrode was discussed by determination of cathodic polarization curves, and the surface microstructure evolution of electroforming layers was examined and analyzed by scanning electron microscopy ( SEM) and X-ray diffraction ( XRD). 通过对沉积过程中阴极极化曲线的测定,探讨了纳米La2O3在电极表面的作用机理,并采用SEM、XRD等现代分析手段对电铸层微观结构进行了测试和分析。
Nanocrystalline nickel was synthesized by direct current electrodeposition, and effect of thiourea on grain size of settled layer and cathode overpotential was studied by X-Ray diffraction and cathodic polarization curve. 采用直流电沉积法制备了纳米晶镍,用X射线衍射和阴极极化曲线的测定对比研究了硫脲对沉积层晶粒尺寸以及阴极过电位的影响。
Pb and Pb-0.02% Bi were tested by means of cathodic polarization curve and cyclic voltammetry curve, and the surface scan of bismuth element was observed. 对Pb和Pb0.02%Bi进行了阴极极化循环伏安曲线测试,并观察了铋元素的面扫描。
Classically, both anodic and cathodic polarization measurements are required to evaluate the corrosion current as well as the two Tafel slopes. 既往需同时由阳极和阴极极化曲线来测定腐蚀电流(Ⅰ)和两个塔菲尔斜率ba和bc。
Cathodic polarization and current time curves were measured, and deposition potential was selected. 测量了电沉积过程中的阴极极化曲线及电流-时间曲线,确定了沉积电位;
Variation of natural potentials, cathodic polarization curves and variation of stable current density with time for carbon steels in flowing fresh water with different velocities and in three different surface states are tested. 在淡水中,对处于不同流速、3种表面状态的普通碳素钢进行了自然电位变化、阴极极化曲线和稳定电流密度随时间变化等试验。
The reason why water glass can enhance the cathodic polarization is due to the formation of mixed ligand complexes. 水玻璃增大镀液的阴极极化作用是由于锌能与硅结合成混合配体络合物的缘故。
Both anodic and cathodic polarization curves have been plotted and the mecha-nism of electrode reactions is also discussed. 根据测定的极化曲线,对阴、阳极过程的反应机理进行了初步探讨。
The electrochemical behavior of the brightener was preliminary studied by cathodic polarization and SEM. 运用稳态极化曲线对光亮剂在镀液中的电化学行为进行了初步研究,还对合金镀层进行了SEM观察和分析。
Cathodic polarization was also studied. 本实验还研究了阴极极化法。
Effect of cathodic polarization on chemical and electrochemical states inside occluded cells of localized corrosion of A3 steel 阴极极化对碳钢局部腐蚀闭塞区化学和电化学状态的影响
The effects of Co~ ( 2+) ion on the cathodic polarization in zinc electrical deposition and the polarization mechanism are investigated using a number of electrochemical methods. 采用多种电化学研究方法探讨了在Zn电积过程中Co2+对阴极极化过程的影响,并对其极化机理进行了研究。
Cathodic polarization behaviors of titanium in seawater were investigated by using potentiodynamic polarization and SEM and XRD. 用电化学动态极化法和SEM、XRD等研究了钛在海水中的阴极极化行为。
The catalytic hydrogen evolution property of the Ni-Mo alloy electrodes were investigated by measuring their cathodic polarization curves under the simulated process conditions of chlor-alkali ion-exchange membrane electrolyzers. 通过测试Ni-Mo合金在模拟氯碱工业离子膜电解槽工艺条件下的阴极极化曲线,考察了Ni-Mo合金电极的催化析氢性能。
The etching current density of the alloy could be estimated by the cathodic polarization of potential sweep applied on Pt working electrode. 应用Pt工作电极的动电位阴极极化可以对合金的蚀刻电流密度进行衡量。
Polarization curve extrapolation and curves of Rt ( Charge-transfer resistance) and E ( cathodic polarization potential) were used to determine the best protection potential and the hydrogen evolution potential of the cathodic protection system. 采用极化曲线外推法、电荷转移电阻Rt与阴极极化电位E之间的关系确定在阴极保护系统的最佳保护电位和析氢电位。
Leveling ability of vanillin and phytic acid in both solution was studied with cathodic polarization, rotating disk electrode. 通过阴极极化法和旋转圆盘电极研究了香兰素和植酸在铜、锌两种镀液中的整平性。
The maximum range of the cathodic polarization potential applied was determined through the relationship between the material and micro-hardness. 通过材料的显微硬度与阴极极化电位之间的关系,确定阴极保护最大电位的选择范围。
The cathodic polarization curves also showed the additives can increase the cathodic polarization. 阴极极化曲线测试结果表明,光亮剂的加入能够明显增大金阴极沉积的超电势。