利用实验和相场数值模拟,分析Cr和Mo对高形钢中的珍珠石形成的影响
Faisal Qayyum1, Ali Cheloee Darabi2, Sergey Guk1
1Institut für Metallformung, Technische Universität Bergakademie Freiberg, Bernhard von Cotta-Str. 4, 09599 Freiberg, Germany.
Materials (Basel, Switzerland)
|July 27, 2024
概括
碳钢中 (Cr) 和 (Mo) 的添加会影响珍珠岩的微观结构. Cr促进了统一的,更细的水泥层,而Mo则导致更粗的结构,有助于优化钢铁加工.
科学领域:
- 材料科学 材料科学 材料科学
- 金工业是金工业的一个方面.
- 计算材料科学科学 计算材料科学
背景情况:
- 珍珠微观结构对于钢的性能至关重要.
- 了解合金元素对珍珠石的影响,是材料设计的关键.
研究的目的:
- 量化研究 (Cr) 和 (Mo) 对1%碳钢中珍珠微结构的影响.
- 为了准确的微观结构分析,将实验结果与相场模拟进行比较.
主要方法:
- 实验方法包括电子显微镜.
- 使用MICRESS软件进行相场模拟.
- 半自动微结构分析使用斐济图像J来量化斑块尺寸和间距.
主要成果:
- (1.4重量%) 的添加导致了更长,更薄,更均的水泥片.
- (1.4重量%) 的添加导致了更短,更厚的水泥石片.
- 无论是Cr和Mo都增加了水泥岩层的密度和圆形性,而Cr提高了均性.
结论:
- 稳定了珍珠石的形成,并促进了统一的微观结构.
- 会影响珍珠岩的形态,但不会增强同质性.
- 经过验证的相场模型为优化钢铁加工条件提供了洞察力.
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