在这个案例里,腐蚀速率图、电阻率、半电池电位存在着很好的相关关系。
In this case there is a rather good correlation between resistance, half-cell potential and corrosion rate mapping.
另一方面也改变了金属腐蚀的电极电位,从而避免或降低了电化学腐蚀。
On the other hand also changes the electrode potential of metal corrosion, so as to avoid or reduce the electrochemical corrosion.
结果表明,随着浸泡时间的延长,在自然腐蚀电位下,存在剥离涂层缺陷时碳钢的腐蚀程度高于破损涂层缺陷时碳钢的腐蚀程度;
Experiments have shown that, on free corrosion potential, the corrosion of carbon steels with disbonding defect of coating is heavier than that of breaking defect of coating with times.
理论分析表明,合适的电位扫描速度依赖于腐蚀体系的电化学参数。
A theoretical analysis shows the suitable rate for potential sweep depends on electrochemical parameters of corrosion system.
为研究硝酸根对颗粒状铁降解三氯乙烯的影响,进行了柱实验和相应的反应铁腐蚀电位测定。
In this study, column experiments, including measurements of corrosion potential, were conducted to determine the effects of nitrate on trichloroethylene (TCE) degradation by granular iron.
目的评价口腔修复常用合金的稳态电位及其发生腐蚀的倾向。
Objective to evaluate corrosion potential and corrosion tendency of dental restorative alloys in common use.
掺亚硝酸钠可以防止氯化钠引起的起坑电位的降低,抑制钢筋腐蚀。
Sodium nitrite prevent the bar from corrosion by controlling the drop of activation potential caused by sodium chloride.
亚硫酸盐、催化亚硫酸盐及稳定亚硫酸盐都能使钢的电位剧烈负移并抑制腐蚀的阴极过程。
The sulfites all can make potential of steel sharply shift negatively and inhibit the cathode process in corrosion.
讨论了硬铝(LY12)在不同条件下磷化过程中腐蚀电位和电流的变化,即磷化膜的生长过程。
This article discusses the changes of corrosion potential and current for phosphating process of hard aluminium (LY12) in different conditions, namely, the growing process of phosphate coating.
而掺氯化钠混凝土中钢筋由于起坑电位降低,容易因电化学极化作用产生腐蚀。
Whereas corrosion of steel occurs due to a drop in activation potential caused by sodium chloride and to the effect of anode polarization produced by electro-chemical factors.
随铁丝埋入深度增加,电位负移量、氯离子浓度和腐蚀速度都减小、极化电阻增加。
With increasing the embedded depth of iron wire, the negative shift value of corrosion potential, chlorine ion concentration and corrosion rates reduced, but polarization resistance increased.
结果表明,黄铜表面出现点蚀时,电极的极化电阻明显下降,腐蚀电位也明显降低。
The results show, when pitting corrosion occurred on the brass surface, the polarization resistance of electrode was obviously decreased, and the corrosion potential being also obviously lowered.
避免因电位差而引起彩板的电化学腐蚀。
Avoiding electrochemistry erosion of colourful plank caused by electrical potential difference.
循环伏安图谱说明,在镍电极工作的电位区域,微孔中钢铁处于钝态,不会腐蚀。
Based on the cyclic voltameter it could be concluded that in the working potential reign of the nickel electrode steel under the micropores was in the passive state and could not corrode.
提高基体的腐蚀电位,不仅可以降低相间腐蚀速度,而且可以大幅度提高铬系白口铸铁的耐蚀性。
Increasing the corrosion potential of the matrix not only reduces the inter-phase corrosion speed but also raises the corrosion resistance of white cast iron.
铁丝的腐蚀不均匀,自腐蚀电位和极化电阻分布较分散,随时间增加、自腐蚀电位负移、极化电阻变小、丝束之间的电位差增大。
With the increase of immersion time, the corrosion potential shifted negatively, the polarization resistance reduced and the difference of corrosion potential became larger.
分析了硫磺胶在露天粘接铸铁引起的电化学腐蚀,提出了在金属粘接中应用平衡电位和罩面密封以防止电化学腐蚀。
The paper discusses that the electrolytic corrosion caused by binding cast iron with sulfur adhesive in the open air can be prevented by balancing electrode potential and sealing cover.
本文就差异充气腐蚀产生机理提出自己的看法,并且谈到氧气浓度变化对金属腐蚀电位的影响。
This paper puts forward oneself view for producing mechanism of differential aeration corrosion and talk about influence of metal corrosion potential due to the change of oxygen concentration.
通过扫描电镜(sem)、腐蚀电位和电化学阻抗谱(EIS)等方法对改性聚氨酯的富锌涂层进行了表征。
The modified waterborne polyurethane zinc-rich coating was characterized by scanning electron microscopy (SEM), corrosion potential test and electrochemical impedance spectroscopy (EIS).
结果表明,铜发生缝隙腐蚀的过程中,金属腐蚀电位朝负移动,至一最低值并保持不变。
Results showed that corrosion potential moved negatively till the lowest value was reached and kept stable during the procedure of copper crevice corrosion.
恒电位深腐蚀法是目前已知的制备扫描电镜用试样的最有效的方法。
The stationary potential deep-etching method is most available than other method to prepare for metallograph analyses on SEM.
通过自制的冲击腐蚀磨损试验机,施加不同极化电位对高锰钢在矿浆介质中的冲击腐蚀磨损行为进行了试验研究。
Effect of polarization potential on the corrosion-wear behavior of high manganese steel in ore slurry was investigated by a self-made impact corrosive-wear tester.
分层腐蚀介质、分段腐蚀介质和其他钢样也影响电位和电流分布情况。
Besides, layered or subsection corrosion medium and other steels can also influence in the distribution of potential or current.
结果表明,根据动电位极化测试的腐蚀电位和腐蚀电流可以预测高强度钢发生腐蚀氢脆的倾向性。
The results have shown that the possibility of embrittlement of high strength steel can be predicted by corrosion potential and current in potentiodynamic polarization measurement.
叙述了涂层金属耐腐蚀性的几种电化学测定方法,例如直流电阻法、交流阻抗法、电位时间法、充电曲线法。
Several electrochemical determination methods to test the corrosion resistance of coated metals were described, such as DC resistor, AC resistor, potential time and charging curve.
文章总结了电解生成酸性氧化电位水的原理,制备条件对其各项指标的影响以及酸性氧化电位水的稳定性、对不同金属的腐蚀性作用。
The principle of preparation EOW, the effects of producing conditions on its properties, as well as stability of EOW and corrosion action on metal were discussed in the paper.
本文通过电偶腐蚀试验和系统腐蚀试验,查明了这种影响,并提出了防止钛合金对其它电位较负材料产生的电偶腐蚀作用的措施。
The causes of the corrosion are investigated by galvanic corrosion test and system corrosion test and the protection measures are also proposed.
电偶电位随时间负移,这是腐蚀反应中阴极过程受阻滞的表现。
The galvanic potential moved negatively, which shows the cerium film inhibits the cathodic reaction.
研究了温度对试样自腐蚀电位的影响; 不同热处理方法对试样自腐蚀电位和析氢电位的影响。
The effect of temperature and thermal treatment procedure on the self-corrosion potential and the hydrogen-cherged potential is studied.
只要金属表面或它的环境缺少同一性,就可能引起电位不同、产生腐蚀,这种腐蚀常是局部性的。
Almost any lack of homogeneity of the metal surface or its environment may initiate attack, by causing a difference in potential. The result is corrosion that is usually localized.
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