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添加剂对磁torheological流体的tribological性能的影响
Songran Zhuang1, Yongbing Cao2, Wanli Song2
1College of Information Science and Engineering, Northeastern University, Shenyang 110819, China.
Micromachines
|February 24, 2024
概括
将纳米钻石和二硫化物添加剂添加到碳铁磁石流体中可以减少摩擦和磨损. 最佳的添加剂度提高了在各种负载和磁场下 tribological 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.
- 纳米技术 纳米技术
背景情况:
- 磁极流体 (MRF) 对于减压和滑至关重要.
- 改善MRFs的部落学性能是一个持续的挑战.
- 碳酸铁 (CI) 是MRF的常见基材,但其磨损性能可以提高.
研究的目的:
- 调查纳米钻石 (ND) 和二硫化 (MoS2) 添加剂对基于CI的MRF tribological性能的影响.
- 确定ND和MoS2的最佳度,以提高摩擦降低和耐磨性.
- 分析添加剂,负载和磁场影响的磨损机制.
主要方法:
- 在油中制备有不同% 的CI,ND和MoS2的MRF.
- 使用反向摩擦和磨损测试仪在不同的正常负载下进行tribological测试.
- 磨损表面的摩擦特性,形态特性 (SEM) 和元素组成 (EDS) 的分析.
主要成果:
- 发现适当的MoS2添加剂重量百分比可以降低摩擦系数和磨损痕面积.
- 纳米钻石和MoS2添加剂影响了MRF的部落学行为.
- SEM和EDS分析提供了有关接触表面磨损机制的见解.
结论:
- 二硫化物显示出在基于CI的MRF中减少摩擦和磨损的潜力.
- 这些MRF的磨损机制是复杂的,取决于添加剂的类型和度,施加的负载和磁场强度.
- 对优化添加剂组合的进一步研究可能会导致先进的部落学材料.
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