为了消除没有滑的平面轴承的摩擦和磨损
Evgeny V Kharanzhevskiy1, Aleksey G Ipatov2, Aleksey V Makarov3,4,5
1Udmurt State University, Universitetskaya St., 1, Izhevsk, Russia. eh@udsu.ru.
Scientific reports
|October 13, 2023
概括
这项研究开发了一种用于钢铜平面轴承的新激光处理方法,显著减少了没有滑的摩擦和磨损. 这种创新方法在苛刻的条件下确保了长期的功能,为各种工程应用提供了有前途的替代方案.
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.
- 表面工程是什么?表面工程是什么?
背景情况:
- 平板轴承在工程中至关重要,但严重依赖滑,限制在极端条件下使用.
- 滑依赖性阻碍平面轴承在动态负载,高温或低温下的性能.
研究的目的:
- 引入一种创新的方法,以减轻未滑平面轴承的摩擦和磨损.
- 为了证明激光处理的钢 - 铜对对增强 tribological 性能的有效性.
主要方法:
- 在钢-铜平面轴承中的钢轴与氧化物合金使用短脉冲激光处理和MnO2作为载体.
- 传输电子显微镜和X射线光电子谱学被用来分析由此产生的非平衡物质状态.
- 用块对环测试和轮增压器应用测试来评估tribological性能.
主要成果:
- 激光处理在钢面上创造了一个独特的非平衡物质状态.
- 经过修改的钢铜对表现出优越的耐磨性和超低的摩擦系数,没有滑.
- 这些组件在200公里的滑动后,在相当大的负载和速度下,在75,000rpm的轮增压器中保持了功能.
结论:
- 激光表面修改技术有效地提高了没有滑的平面轴承性能.
- 这种简单而有弹性的方法为需要持久的摩擦对的各种工程应用提供了突破性的方法.
- 这些发现为在苛刻的环境中无滑剂的平板轴承解决方案铺平了道路.
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