The effect of the TPB zone on the cathodic process of metals was studied by steady-state polarization test.

采用稳态极化技术研究了三相线长度、宽度及溶液浓度在金属腐蚀阴极过程中的作用。

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In the polarization test, almost all inclusions can be active and initiate pitting when the potential of steels is equal to or higher than the pitting potential.

在阳极极化试验中，当钢样的电位极化到点蚀电位或点蚀电位以上，钢中的夹杂物几乎都会活化而诱发点蚀。

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Their susceptibility to pitting has been compared by means of polarization test, and their behavior of pitting propagation has been studied with OCC simulation test.

选择三种典型的碳钢、低合金钢，通过极化试验比较了它们之间的点蚀诱发敏感性和模拟孔蚀的“闭塞腐蚀电池”，试验研究了它们之间的孔蚀扩展行为。

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