纳米锑颗粒粒径对润滑油摩擦性能的影响  

Effect of Particle Size of Antimony Nanoparticles on Tribological Properties of Lubricant Oil

作　　者：徐建林[1,2] 淡小敏 文琛 王程程[1,2] 刘晓琦 赵金强[1,2] 

机构地区：[1]兰州理工大学省部共建有色金属先进加工与再利用国家重点实验室,甘肃兰州730050 [2]兰州理工大学温州泵阀工程研究院,浙江温州325105

出　　处：《稀有金属材料与工程》2018年第1期333-338,共6页Rare Metal Materials and Engineering

基　　金：浙江省自然科学基金(LY12E01002);省部共建有色金属先进加工与再利用国家重点实验室开放基金(SKL12012)

摘　　要：采用硅烷偶联剂KH-570作为表面分散剂,利用机械球磨法制备了不同粒径的纳米锑颗粒,将其分散到900SN基础油中,在CFT-1型材料性能测试仪上进行往复式摩擦实验,考察其作为润滑油添加剂的摩擦学性能。采用SEM和EDS分析了45钢钢盘磨损表面的形貌和化学成分。结果表明:纳米锑颗粒以微观填充与黏着的机制对磨损表面起到修复作用。随着纳米锑颗粒粒径的减小和摩擦载荷的增大,试验润滑油的减摩、抗磨效果越明显。其中,含粒径为40 nm的锑颗粒润滑油在高载荷下表现出优异的减摩与抗磨性能。The antimony nanoparticles with different particle sizes were prepared by mechanical ball milling while the particles surface was modified by silane coupling agent KH-570. The tribological properties of experimental lubricating oil, which were 900SN and other lubricating oils containing antimony nanoparticles with various particle sizes, were studied by reciprocating friction experiment in CFT-1 material performance tester. The worn surface morphology and chemical composition of 45 steel were analyzed by SEM and EDS. The results show that antimony nanoparticles play a role in repairing effect for worn surface based on micro-filling and adhesion mechanism. With decreasing of particle size of antimony nanoparticles and increasing of frication load, the antifrietion and antiwear properties of experimental lubricating oils increase. The experimental lubricating oil containing antimony nanoparticles with 40 nm in particle size has good antifriction and antiwear properties under higher friction load.

关 键 词：纳米锑颗粒 粒径 润滑油 摩擦学性能 

分 类 号：TH117[机械工程—机械设计及理论]