本文介绍一种新的相分析法——阶跃电位浸蚀电流法,并用它实现了化学难以分离的σ与M_(2■)C_6分别测定.方法简单快速,可以得到钢中析出物的含量、成分和形貌的情报.并且基于一种新的电极过程模型导出了定量分析公式,它已被实验证实.
A new method,namely,the step potential etching current mehtod for theindividual determination of σ-or M_(23)C_6-phase which is a difficult problem to sepa-rate each other by conventional chemical manner has been developed.This simpli-fied and rapid method easy to give certain information about the composition,con-tent and morphology of precipitated phases in the steel has been applied to stain-less steel samples.In addition,a formula for quantitative analysis was derived onthe basis of a new model of electrode process.The formula has been confirmedby experiments.
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