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首页> 外文期刊>Tribology letters >The Synergetic Effects of Surface Texturing and MoDDP Additive Applied to Ball-on-Disk Friction Subject to Both Flooded and Starved Lubrication Conditions
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The Synergetic Effects of Surface Texturing and MoDDP Additive Applied to Ball-on-Disk Friction Subject to Both Flooded and Starved Lubrication Conditions

机译：表面纹理和MODDP添加剂的协同效应应用于膨胀和饥诈的润滑条件的球盘摩擦

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摘要

of surface texture in boundary lubrication when lubricant additive is contained in the lubricating oils. This paper reports a novel work on the synergetic effects of microscale surface texturing and lubricant friction modifier additive of molybdenum dialkyldithiophosphate (MoDDP) subject to both flooded and starved lubrication conditions. The experiments were performed on reciprocating ball-on-disk friction in GTL8 base oil with and without MoDDP. In the flooded lubrication condition, the test results demonstrated that the presence of the MoDDP additive contributed to lower friction coefficients and also more pronounced effect of surface textures on friction than in the case of the bare base oil. In the starved lubrication experiments, textured and texture-free surfaces in the oils with and without MoDDP additive were tested until an abrupt rising of friction coefficient was detected. The results showed that the magnitude of friction coefficient before terminating each test was the almost same for various tests, while the endurance time in different test conditions was significantly different. The textured surface exhibited longer endurance time than the texture-free surface, especially when the MoDDP additive was used. The mechanism of the synergetic effects of surface textures and MoDDP additive has been discussed based on the experimental observations in the following sections. This study provides a new idea for the application of surface texture in boundary lubrication when lubricant additive is contained in the lubricating oils.
机译：润滑油中含有润滑油添加剂时润滑油的表面纹理。本文报告了一种新颖的钼Dialkyithiphiophiophate（MODDP）对钼型表面纹理和润滑摩擦改性剂添加剂的协同作用的新颖作用。对GTL8基础油的往复球盘摩擦进行了实验，无需MODDP。在淹没的润滑条件下，测试结果表明，ModDP添加剂的存在导致降低摩擦系数，并且在裸基油的情况下，表面纹理的表面纹理的效果也更明显。在饥饿的润滑实验中，在具有和不含MODDP添加剂的油中进行纹理和无纹理表面，直到检测到摩擦系数的突然上升。结果表明，终止每次测试之前的摩擦系数的大小是各种测试几乎相同的结果，而不同试验条件的耐久性时间显着不同。纹理表面表现出比无纹理表面更长的耐久性时间，特别是当使用ModDP添加剂时。基于以下部分中的实验观察，已经讨论了表面纹理和MODDP添加剂的协同作用的机制。本研究为润滑油添加到润滑油中含有润滑油添加剂时，为润滑油添加剂施加界面纹理的应用提供了新的思路。

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