带有定向和非定向微观结构的优捷白色铁的tribological特性
Małgorzata Trepczyńska-Łent1, Jakub Wieczorek2
1Faculty of Mechanical Engineering, Bydgoszcz University of Science and Technology, Al. Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland.
Materials (Basel, Switzerland)
|October 16, 2025
概括
方向凝固的白色铁显示较少的磨损和稳定的摩擦对特定的材料. 这种面向结构为需要在高温下耐磨的部件提供了增强的性能.
科学领域:
- 材料科学 材料科学 材料科学
- 部落学 (tribology) 是一个学科.
- 机械工程 机械工程
背景情况:
- 白色铁是耐磨应用的常见材料.
- 微观结构显著影响着部落学性质.
- 定向固化提供了一种控制微观结构的方法.
研究的目的:
- 为了比较方向凝固的白色铁与等的白色铁的tribological行为.
- 评估各种对材料的磨损率和摩擦系数.
- 评估方向固化的白色铁在高温耐磨性方面的潜力.
主要方法:
- 在干滑条件下使用pin-on-block钻机进行tribological测试.
- 对铜,AlSi12CuNiMg合金,AlSi12CuNiMg + SiC复合材料和1.3505钢进行测试.
- 使用形状测量来评估表面地形和粗度 (Sa参数) 的磨损轨道分析.
主要成果:
- 与等轴结构相比,方向凝固的白色铁显示出更好的摩擦系数稳定性和更少的磨损.
- 与AlSi12CuNiMg + SiC复合物和1.3505钢观察到有利的三元学相互作用.
- 降低表面粗度 (较低的Sa值) 被测量为这些特定的tribological对.
结论:
- 方向凝固的白色铁在特定的配对中表现出卓越的部落学性能.
- 定向微观结构是提高耐磨性和摩擦稳定性的关键.
- 这种材料在需要高温耐磨性结构部件的插件中显示出前景.
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