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本文通过静拉伸、夏比冲击、定量金相、X-射线衍射,扫描电镜及透射电镜等测试技术研究了20SiMnV 和20MnV 钢的强韧特性与组织结构的关系,分析讨论了Si 提高20SiMnV 钢的强度和韧性的原因。
In this paper, the relationship between the toughness and microstructure of 20SiMnV and 20MnV steels was studied by static tensile test, Charpy impact test, quantitative metallography, X-ray diffraction, scanning electron microscopy and transmission electron microscopy. The effects of Si on 20SiMnV steel The reason for the strength and toughness.