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中文摘要：
为研究MgO/SiO2复合纳米的磨损自修复作用及摩擦条件对修复的影响，将MgO/SiO2复合纳米作为添加剂加入350SN基础油中，在HQ-1环块摩擦磨损试验机上考察了MgO/SiO2复合纳米对磨损表面的修复作用，在不同的载荷、转速、修复时间条件下进行了修复试验，并探讨了摩擦条件对纳米MgO/SiO2自修复性能的影响机理。结果表明，MgO/SiO2复合纳米添加剂对磨损表面具有良好的修复作用，其自修复性能受载荷、速度、摩擦时间影响。在适当的摩擦条件下，试块有明显的增重，修复后表面粗糙度Ra降低了11.2％，表明MgO/SiO2有摩擦自修复功能。
英文摘要：
In order to study wear automatic restoration action of nanometer MgO/SiO2 and the influence of frictional condition on automatic restoration, repairing action of nanometer MgO/SiO2 to worn steel surface as an addtive in 350SN oil is evaluated by using HQ-1 wear machine, and the influence of load, slide velocity and time on its au- tomatic restoration capability is also studied. The results show that and nanometer MgO/SiO2 has the obvious effect of repairing, and its automatic restoration capability is influenced by load, time and slide velocity. Moreover, Ra of the roughness is reduced by 11.2M in the condition of proper friction.
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