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采用销盘摩擦磨损试验机研究了DC53钢渗硼处理对对摩副45钢摩擦影响层组织演变的影响。通过SEM、XRD、SIMS、TEM等分析了45钢摩擦影响层的微观组织特征。结果表明,渗硼处理显著提高了DC53钢盘试样的表层显微硬度,降低了摩擦副的摩擦系数及其自身的磨损率;对摩副渗硼的45钢销试样的摩擦影响层由塑性变形层和剥离层组成,而对摩副未处理的45钢销试样的摩擦影响层仅包括塑性变形层;对摩副中的Cr、Mo及B元素扩散到了45钢销试样的摩擦表层,且在对摩副渗硼的销试样中的扩散深度大于在对摩副未处理的销试样中的扩散深度;对摩副渗硼的45钢销试样的摩擦表层的晶粒明显细化。
The pin-plate friction and wear testing machine was used to study the effect of boronizing treatment on the microstructure evolution of the friction influence layer of friction steel 45 on DC53 steel. The microstructure of the friction-affected layer of 45 steel was analyzed by SEM, XRD, SIMS and TEM. The results show that the boronizing treatment significantly improves the surface microhardness of the DC53 steel plate sample and reduces the friction coefficient of the friction pair and its own wear rate; Plastic deformation layer and the peel layer composition, but the friction pair of unprocessed 45 steel pin sample friction layer only includes the plastic deformation layer; friction pair of Cr, Mo and B element diffusion to the 45 steel pin sample friction The depth of diffusion in the pin borosilicate pin sample is greater than the depth of diffusion in the untreated pin sample pair; Obvious refinement.