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文章选用几种不同的碳钢和合金钢 ,进行了氧化法和晶粒边界腐蚀法检验钢的奥氏体晶粒度的对比试验 ,对试验结果进行了较详细的分析和讨论。并就氧化法试验中存在的问题提出了一些看法
In this paper, several kinds of carbon steel and alloy steel were selected to test the austenite grain size of steel by oxidation method and grain boundary erosion method. The test results were analyzed and discussed in detail. And put forward some opinions on the problems existing in the oxidation test