Effect of Stress History on Friction and Wear of Metals in Dry and Boundary Lubricated Conditions

건조 및 경계윤활 조건에서 응력이력에 따른 금속재료의 마찰 마멸 특성

Friction and wear characteristics of metals in dry and boundary lubricated sliding conditions are observed experimentally using pin-on-disk and pin-on-plate type tribotesters. The motivation of this research is to investigate the effect of sliding history on the tribological behavior of metals. Cu and SM45C steel materials were used for the experiment. The results show that in dry condition the fictional behavior as well as wear of the specimens differed between uni-directional and bi-directional sliding conditions. The friction coefficient values, wear profile and optical micrograph of the wear track are presented.