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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 of 18-8 stainless steel in neutral chloride solution was determined by potentiostatic method. Experimental data analysis shows that the random variation of reciprocal of induction time obeys lognormal distribution. Similarly, induction time obeys lognormal distribution. The effects of chloride concentration on the distribution parameters were also discussed.