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不锈钢晶间腐蚀产生的原因,是一个研究得较多而尚未解决的问题。本文的目的是通过不锈钢在沸腾的15％硫酸和沸腾的65％硝酸中所进行的一些电化学测量和腐蚀试验,对这个问题提出几点粗浅的看法。实验方法 (一)试样试验所用的钢样是国产的不锈钢。试样的化学成份和热处理状态示于表1和表2。试样的化学成份
The cause of stainless steel intergranular corrosion is a more studied and unsolved problem. The purpose of this article is to provide some superficial insight into this issue through some electrochemical measurements and corrosion tests of stainless steel in boiling 15% sulfuric acid and boiling 65% nitric acid. Experimental methods (a) the sample used in the test steel is made of stainless steel. The chemical compositions and heat treatment conditions of the samples are shown in Tables 1 and 2. The chemical composition of the sample