用恒电位法测定了18-8不锈钢在中性氯离子溶液中孔蚀的诱导时间。实验数据分析表明,诱导时间的倒数的随机变化规律服从对数正态分布。同样,诱导时间亦服从对数正态分布。并讨论氯离子浓度对分布参数的影响。
The induction time for pitting corrosion of the 18-8 stainless steel in neutral chloride solution is determined by potentiostatio technique. By experimental data analysis, the random change of the reciprocal induction time as well as the induction time is in conformity to logarithmic normal distribution. The effect of the chloride ion concentration on distribution parameter is discussed.
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