| 测定2OCr钢渗碳层深度方法的比较 |
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| 引用本文： | 牟卫萍.测定2OCr钢渗碳层深度方法的比较[J].实验室研究与探索,2001,20(1):48-49. |
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| 作者姓名： | 牟卫萍 |
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| 作者单位： | 上海交通大学,无锡威孚股份有限公司理化室, |
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| 摘 要： | 用金相法和有效硬化层深法测定20Cr钢渗碳后渗碳层深度，试验分析了与碳浓度梯度之间的关系。结果表明20Cr钢渗碳后用金相法测量渗碳层深与用硬化层法测量有效硬化层深其差别很小，因此在热处理检验时可采用金相法测量。金相法测量的渗碳层深度自表面开始测至珠光体含量约占50％左右处。
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| 关 键 词： | 渗碳层深度 碳浓度梯度 有效硬化层 金相法 |
| 文章编号： | 1006-7167(2001)01-0048-02 |
| 修稿时间： | 2000年5月21日 |
Comparison of Methods of Carburizing
Case Measurement of 2OCr Steel |
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| Abstract: | A series of experiments of metallographic measurement of carburizing case, hardening layer measurement and carbon gratitude were done. The results show that the difference between the metallographic methodand hardness method is small, so we can adopt the metallographic method during heat-treatment inspection of20Cr steel; and the depth of carburizing case can be calculated from the outside face to where the pearlite contents are 50％ when using metallographic method. |
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| Keywords: | depth of carburizing case carbon gratitude hardening layer metallographic method |
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