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Tribological Properties of MnZnFe2O4 Nano Magnetic Particles as an Additive in Base Oil
Author(s): Feng Xuejun, Yang Zhiyi
Pages: 122-
124,127
Year: 2007
Issue:
3
Journal: LUBRICATION ENGINEERING
Keyword: 纳米磁性微粒; MnZnFe2O4; 承载性能; 摩擦学性能; 自修复作用;
Abstract: 用化学方法制备纳米MnZnFe2O4磁性微粒,在四球摩擦磨损试验机和立式万能摩擦磨损试验机上考察了MnZnFe2O4纳米磁性微粒作为润滑油添加剂的抗磨减摩性能及对磨损表面的修复作用,并用扫描电子显微镜观察分析了磨斑表面形貌.实验表明,MnZnFe2O4纳米微粒添加剂可以显著提高基础油的承载能力,减小磨斑直径;磁性颗粒有利于加强吸附在摩擦副表面上形成物理吸附膜,并在摩擦表面形成自修复膜,对磨损表面具有一定的修复作用.
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