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首页> 外文会议>International Symposium on Pits and Pores II: Formation, Properties, and Significance for Advanced Materials, Oct 22-27, 2000, Phoenix, AZ >KINETICS OF PITTING CORROSION IN GELS
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KINETICS OF PITTING CORROSION IN GELS

机译：凝胶点蚀的动力学

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摘要

An investigation has been carried out on stainless steel to determine the important parameters that related the changes in pH around pits to the current coming from the pits. Potentiodynamic measurements at 1 mV/s were made on Type 302 stainless steel in agar containing 1M NaCl and a wide range pH indicator. Many pits suddenly appeared at the pitting potential, as indicated by the red, low pH region around the pits. Simulations of the changes in pH were based on diffusion from a point current source. The results also were considered in terms of the effects of a minimum detectable thickness of pH change within the gel.
机译：已经对不锈钢进行了研究，以确定与凹坑周围pH值变化与凹坑电流有关的重要参数。在含有1M NaCl和宽范围pH指示剂的琼脂中对302型不锈钢进行1 mV / s的电位动力学测量。如凹坑周围的红色，低pH值区域所示，许多凹坑突然出现在凹蚀电位处。 pH变化的模拟基于点电流源的扩散。还根据凝胶中pH值的最小可检测厚度的影响来考虑结果。

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