钢的奥氏体晶粒度检验方法
Inspection Methods of Austenitic Grain Size in Stainless Steel
张 卫
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作者单位：(沈阳职业技术学院 机械装备系, 辽宁 沈阳 110045)
中文关键字：碳钢； 合金钢； 奥氏体晶粒度； 氧化法； 晶粒边界腐蚀法
英文关键字：carbon steel; alloy steel; austenite grain size; oxidation method; grain boundary corrosion method
中文摘要：采用氧化法和晶粒边界腐蚀法对几种不同的碳钢和合金钢的奥氏体晶粒的显示进行了对比试验。结果表明，该两种方法对碳钢的显示效果差别不大，对合金钢而言，氧化法较晶粒边界腐蚀法所显示的奥氏体晶粒要细。对氧化法中存在的问题提出一些看法。
英文摘要：The austenitic grains of several different carbon steel and low alloy steel were compared using oxidation method and corrosion method of grain boundary. The results show that the showing effect of two methods is the same, but aimed at low alloy steel, the showing austenitic grains using oxidation method are finer than those using corrosion method of grain boundary. Some opinions against existing problems in oxidation method are put forward.