【作者】 胡泽善； 王立光； 何滔； 叶毅； 张波； 娄芳； 唐德东； 董浚修； 陈国需；

【Author】 Hu Zeshan He Tao Wang Liguang Pen Yu Lai Rong Dong Junxiu Chen Guoxu

【机构】 中国人民解放军后勤工程学院油品应用化学系；

【摘要】 用乙醇超临界干燥技术制得纳米晶状氧化锌,用TEM及XRD对该产物进行了表征,用环块及四球摩擦磨损试验机测定了纳米氧化锌作润滑油添加剂的摩擦学性能,发现:将一定量的纳米氧化锌及分散剂山梨醇单硬脂酸酯加入500SN基础油中可提高其抗磨减磨性能及承载能力。纳米氧化锌有一最佳加入量,超过此量油品最大无卡咬负荷将减小。吸附有分散剂的纳米氧化锌通过在摩擦表面的沉积而起作用。更多还原

【Abstract】 Nanometer crystal zinc oxide was prepared using ethanol supercritical fluid drying technique. Tribological properties of 500 SN oil with the nanometer particles were measured using four-ball and block-on-ring tribotester. Results indicated that wear resistance and load carrying capacity of the oil were improved and friction coefficient was decreased. Excessive zinc oxide can result in a decrease of maximum non-seized load of the oil. The nanometer zinc oxide in the oil took effect by its deposition on rubbing surface.更多还原