首页> 外文会议>World Tribology Congress III vol.1; 20050912-16; Washington,DC(US) >TRIBOMECHANICAL- CHEMICAL EFFECTS AND VISUALISATION OF ADDITIVE'S LAYER FORMATION IN ENGINE CRANKCASE OIL BETWEEN SLIDING PAIRS
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TRIBOMECHANICAL- CHEMICAL EFFECTS AND VISUALISATION OF ADDITIVE'S LAYER FORMATION IN ENGINE CRANKCASE OIL BETWEEN SLIDING PAIRS

机译:滑动对之间发动机曲轴箱油的摩擦力学化学效应和添加剂层形成的可视化

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Examination of worn surfaces by optical, electron microscope detection and X-Ray diffraction analysis indicated that the replacement of the pin (steel 52100) by another pin (steel Stub 51115) facilitated and increased the Influence of surface degradation which allows the sliding surface to be satisfactorily reactive to form high percentage of protective additive's layers and to cover uniformly the whole wear track in boundary lubricated conditions. A few minutes of dry test well determined the production of the surface degradation to promote an optimal layer formation. The same type of tests were repeated using pin (sapphire) on the plate (steel Stub 51115) in order to be able to visualize the formation of layers. High speed camera has got images of layers and demonstrates the layer formation during experiment. This study suggests that the surface deterioration is a mechanical process and promotes chemical reactions at solid surfaces. Satisfactory degradation of the surface permits activating lubricant additives to form protective layers. The temperature has a significant chemical influence on the mechanical effect of the material type on the formation of additive's layer.
机译:通过光学,电子显微镜检测和X射线衍射分析检查磨损的表面表明,用另一个销钉(钢短管51115)替换销钉(钢52100)有助于并增加表面退化的影响,从而使滑动表面变得光滑。具有令人满意的反应性,可形成高百分比的防护添加剂层,并在边界润滑条件下均匀覆盖整个磨损轨迹。几分钟的干燥测试很好地确定了表面降解的产生,以促进最佳层的形成。使用板(钢短管51115)上的销(蓝宝石)重复相同类型的测试,以便能够看到层的形成。高速相机获取了层的图像,并演示了实验过程中层的形成。这项研究表明,表面变质是一个机械过程,并促进了固体表面的化学反应。表面的令人满意的降解允许活化润滑剂添加剂以形成保护层。温度对材料类型对添加剂层形成的机械作用具有重要的化学影响。

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