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本文对交流电位法曲线上升下降的规律及它们和直流电位法表现行为不同的原因加以初步分析,并用纯铁和不同种类的钢试样加以试验验证,以便寻求各种类型钢电位曲线最低点和开裂点之间的对应关系。
In this paper, the law of the rise and fall of AC potential curve and the reasons why they behave differently from the DC potential method are analyzed. The iron and the different types of steel samples are used to verify the test in order to find the lowest point of various types of steel potential curve and Crack between the corresponding relationship.