钢铜摩擦副摩擦磨损特性的试验研究

Experimental Study on the Friction and Wear Characteristics of Steel-copper Pairs

本文试验分析了ZQA19—4和ZQZn6—6—3两种铜合金材料在不同的表面粗糙度下对摩擦系数和出口区油温的影响,以及改变载荷和相对滑动速度时,摩擦系数的变化状况。结果表明:铜合金成分不同时具有不同的硬度。硬度、表面粗糙度对摩擦系数都有明显的影响;载荷和相对滑动速度改变时,摩擦系数也相应改变。因此,必须根据摩擦副的速度、载荷大小与特征等,选择适用的铜合金材料。

The influences of the different surface roughness of ZQA19-4 and ZQSn6-6-3 on the friction coefficient and the oil temperature and the influence of the load and sliding speed on the friction coefficient are experimentally analyzed in this paper. The results obtained indicate that the hardness of the copper alloy is different when its ingredient is different. The hardness and roughness have obvious influence on the friction coefficient.The changes of load and sliding speed will lead to the variety of friction coefficient. Therefore, it is much necessary to use proper copper alloy on the basis of the speed and load of the friction pairs.