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1)  re-passivation potential
点蚀保护电位
2)  Pitting corrosion potential
点蚀电位
1.
Some comparing analysis on the surface passivated hemostatic forceps domestic and foreign made were carried out through chemical composition analysis,hardness test,microstructure observation and pitting corrosion potential test.
对国内外同一类表面钝化止血钳进行了化学成分、硬度、金相组织和钝化膜点蚀电位等分析。
3)  pitting potential
点蚀电位
1.
Effect of test-surface′s selection on measuring pitting potential of carbon steel;
试验面选取对碳钢点蚀电位测量的影响
2.
The effects of temperature,pH,Cl~-and SO~(2-)_4 concentration on pitting potential of 321 stainless steel were investigated by using quadrature test design and contrastive test.
通过正交设计和对比实验研究了温度、pH值以及Cl-和SO42-含量对321不锈钢点蚀电位的影响。
3.
The effects of main test parameters on the process of pitting potential of carbon steels have been studied by quasi-steady-state polarization technique and metallographical analysis technique.
采用准稳态的极化试验研究了各主要试验参数对碳钢在3%NaCl溶液中点蚀电位的影响,结果表明:3种碳钢钝化的临界pH值约为8 0 ;当T =2 0℃~35℃时,点蚀电位值Eb10 0 随温度的降低而变正;当电位变化速度慢于30mV/ 30s时,Eb10 0 随电位变化速度的减小而变负;试验面的粗糙度越大,点蚀电位越
4)  Protective potential
保护电位
5)  protective electric potential
保护电位
1.
The measuring result of the protective electric potential proves th.
保护电位测量结果表明钢管桩阴极保护效果良好,该工程阴极阳极设计与施工合理,有关参数的选取可供杭州湾水域进行相关阴极保护设计参考。
6)  protection potential
保护电位
1.
By means of contact test with a reference electrode underground,we measured the distribution of casing protection potential along vertical depth.
采用地下参比电极"接触测试"法,对套管实施保护后的纵向深度套管保护电位进行定量测试。
2.
Two methods simulated occluded cell and simulated occluded solution have been developed to determine the protection potential against pitting of A3 steel and 0Cr18Ni9 stainless steel.
将30 4不锈钢的ET 值与用孔蚀滞后环法在不同扫描速度 ,不同回扫电流时所测得的孔蚀保护电位EP 值作比较 ,发现EP 值范围处于ET 值范围之内 。
3.
The protection potential of Fe, Zn , Cu , Ni, Sn.
提出了一种新的阴极保护电位确定方法,即采用恒电流阴极极化法从尹φ-f曲线上将金属表面膜还原的动力学电位作为阴极保护电位进行了探讨;测定了Fe,Cu,Zn,Ni,Sn,Pb等多种金属在人造海水中和KCl溶液中的保护电位,并进行了Fe在人造海水中的阴极保护对比试验。
补充资料:孔蚀电位
分子式:
CAS号:

性质:金属在特定介质中发生小孔腐蚀所需要的最低电位。孔蚀电位的高低取决于金属的耐蚀性和介质成分,对于不锈钢,其含铬量升高或介质的氯离子浓度降低,孔蚀电位都升高。用于评价金属抗孔蚀性能的高低,孔蚀电位越高,金属越不容易发生孔蚀。孔蚀电位有不同的测量方法,不同方法所得的测量值之间往往有差异,在评价金属材料在特定介质中的耐孔蚀性时,应当用同一方法测量的孔蚀电位值进行比较。 

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