CAJ | 학술논문

为研究研磨加工中第三体对摩擦界面作用过程的影响，探索颗粒物质性质在该过程中的体现，文章研制了能够实现不同工况下摩擦界面间摩擦力的实时准确测量的小型面接触摩擦测试系统。选择不同粒径氧化铝粉末配制研磨液，在不同载荷和研磨液质量分数时进行试验。结果表明：磨粒粒径、载荷和研磨液质量分数对摩擦界面的摩擦特性有较大影响，摩擦界面间的摩擦力随着磨粒粒径的变大或加载载荷的增大而变大。对于研磨液，质量分数最小时测得的摩擦力最大，而质量分数为10％和20％时，测得的摩擦力变小并且相差不大，说明了摩擦界面间的颗粒可能起到了润滑作用。
위연구연마가공중제삼체대마찰계면작용과정적영향，탐색과립물질성질재해과정중적체현，문장연제료능구실현불동공황하마찰계면간마찰력적실시준학측량적소형면접촉마찰측시계통。선택불동립경양화려분말배제연마액，재불동재하화연마액질량분수시진행시험。결과표명：마립립경、재하화연마액질량분수대마찰계면적마찰특성유교대영향，마찰계면간적마찰력수착마립립경적변대혹가재재하적증대이변대。대우연마액，질량분수최소시측득적마찰력최대，이질량분수위10％화20％시，측득적마찰력변소병차상차불대，설명료마찰계면간적과립가능기도료윤활작용。
A small plane contact friction testing system was established to study the effect of the third body on friction interface and the granular properties in free abrasive lapping process .Friction force of the interface under different conditions could be accurately measured in real time .Experiments were conducted under different loads and concentrations with grinding fluid made up of Al 2 O3 powder of dif-ferent particle sizes .The results show that the particle size ,load and concentration of grinding fluid all have obvious influence on the tribological performance of three-body friction process .Friction force between the interface increases with the increase of particle sizes and loads .In the test of different concentrations of grinding fluid ,the friction force reaches at maximum when the concentration is mini-mum .But the friction force decreases and is almost the same when the concentrations of grinding fluid are 10% and 20% ,which indicates that granules in the interface play a role as lubricant .