稀土元素对中碳钢组织、力学性能和渗氮的影响
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Effect of Rare Earth Addition on Microstructure, Mechanical Property and Nitriding Performance of a Medium Carbon Steel
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图3. 各类型夹杂物的数量和夹杂物的尺寸分布 |
Fig.3. The number of various types of inclusions (a) and the distribution of inclusions size (b) |
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