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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1. 拉伸试样和夏比冲击试样示意图 |
Fig.1. Schematic drawing of the tensile test specimen (a) and the Charpy impact test specimen (b). Dimensions in mm |
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