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油溶性铜纳米微粒作为液体石蜡添加剂的摩擦学性能研究
引用本文:周静芳,张治军.油溶性铜纳米微粒作为液体石蜡添加剂的摩擦学性能研究[J].摩擦学学报,2000,20(2):123-126.
作者姓名:周静芳  张治军
作者单位:1. 中国科学院兰州化学物理研究所,固体润滑国家重点实验室,甘肃,兰州,730000;河南大学,润滑与功能材料重点实验室,河南,开封,475001
2. 河南大学,润滑与功能材料重点实验室,河南,开封,475001
3. 中国科学院兰州化学物理研究所,固体润滑国家重点实验室,甘肃,兰州,730000
基金项目:国家自然科学基金资助项目! ( 2 97710 10 )
摘    要:采用液相化学还原法在溶液中原位合成了有机化合物表面修饰铜纳米微粒,用航向电子显微镜表征了微粒的尺寸、形貌和结构,在四球摩擦磨损试验机上考察了其作为液体石蜡添加剂的摩擦学性能,并与二烷基二硫代磷酸锌(ZDDP)进行了对比,结果表明:铜纳米微粒添加剂能够显著提高基础油的极压性能,同时具有良好的抗磨性能,尤其是在高负荷下其性能优于ZDDP,采用EPMA和XPS对铜纳米微粒的极压抗磨机理进行了分析,发现在

关 键 词:纳米微粒  摩擦学性能  液体石蜡添加剂  油溶性铜

Investigation of the Tribological Behavior of Oil-soluble Cu Nanoparticles as Additive in Liquid Paraffin
ZHOU Jing fang,ZHANG Zhi jun,WANG Xiao bo,LIU Wei min,XUE Qun ji.Investigation of the Tribological Behavior of Oil-soluble Cu Nanoparticles as Additive in Liquid Paraffin[J].Tribology,2000,20(2):123-126.
Authors:ZHOU Jing fang  ZHANG Zhi jun  WANG Xiao bo  LIU Wei min  XUE Qun ji
Abstract:Cu nanoparticles coated with dialkyldithiophosphate (Coded as Cu DDP) were synthesized in situ by redox method. The size and structure of the nanoparticles were characterized using TEM and ED. The tribological behaviors of Cu DDP as additive in liquid paraffin were evaluated and compared with that of zinc dialkyldithiophosphate (ZDDP) on a four ball machine. The results show that Cu nanoparticle possesses excellent load carrying capacity and good antiwear property, which are better than that of ZDDP. The lubricating mechanism of Cu nanoparticles was discussed based on the XPS and EPMA analytical results.
Keywords:nanoparticle  lubricating additive  EP property  antiwear property
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