关于稀土Ce对U75V钢的微和宏特性影响的研究
Guangqian Feng1, Lei Ren1, Jichun Yang1
1School of Materials and Metallurgy, Inner Mongolia University of Science and Technology (IMUST), Baotou 014010, China.
Materials (Basel, Switzerland)
|April 9, 2024
概括
将 (Ce) 添加到钢铁中,会改变非金属含有物,减少其尺寸并改善其性能. 含量增加提高了U75V钢的拉伸和冲击性能.
科学领域:
- 金工程 金工程 金工程
- 材料科学 材料科学 材料科学
背景情况:
- 非金属内含物显著影响钢材矩阵的连续性和机械性能.
- 在先进的钢铁应用中,控制入特性至关重要.
研究的目的:
- 为了研究 (Ce) 添加对沉序列和钢中含有物的特征的影响.
- 评估Ce对U75V钢的微观结构和机械性能的影响.
主要方法:
- 用热力学计算来预测Ce纳入降水序列.
- 在实验室中炼U75V钢,含有不同度的Ce添加剂 (0.0008%至0.0042%).
- 微结构分析和机械性能测试 (拉伸和冲击).
主要成果:
- 添加改性MnS和氧化物/硫化物入复杂的CeAlO3和Ce2O2S类型.
- 包含尺寸减少了,并且随着Ce的添加,面积比提高了.
- 观察到颗粒大小的精细化和珍珠石叶片间距的减少.
- 随着Ce含量增加到0.0042%,U75V钢的拉伸和冲击性能得到了改善.
结论:
- 添加有效地改变了钢中的非金属含有物.
- 优化的含量增强了U75V钢的机械性能和微观结构.
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