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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4. 0RE和0.03RE试验钢中夹杂物的金相照片 |
Fig.4. Optical micrographs of inclusions in the 0RE (a) and 0.03RE (b) tested steels |
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