Analysis of Tribological Behavior of Carbon Nanotube Based Industrial Mineral Gear Oil 250 cSt Viscosity

IF 1.5 Q3 ENGINEERING, MECHANICAL Advances in Tribology Pub Date : 2014-03-13 DOI:10.1155/2014/341365

S. Bhaumik, S. Prabhu, Kingsly Jeba Singh

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引用次数: 37

Abstract

The paper investigates the exceptional antiwear and extreme pressure properties of multiwalled carbon nanotube based mineral oil. Different samples of oil containing varying proportions of MWNT (MWNT) and graphite were prepared. The samples were tested for their antiwear and load bearing capacity according to ASTM G99 and ASTM D-2783 standards. After pass load test in four ball tester the rubbed surfaces were investigated with Scanning Electron Microscope (SEM) images. The wear test results show a decrease wear by 70–75% in case of multiwalled nanotube based mineral oil as compared with pure mineral oil. Furthermore, it has been observed that the load bearing capacity in case of multiwalled carbon nanotube based mineral oil increases by 20% as compared to pure mineral oil. A comparison in the antiwear and load bearing capacity properties of graphite and nanotube based mineral oil was studied which showed the inefficiency of graphite based lubricant over MWNT based oil. Thus, the finding would be helpful in developing new nanoparticle based lubricants.

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黏度为250 cSt的碳纳米管基工业矿物齿轮油摩擦学行为分析

研究了多壁碳纳米管矿物油优异的抗磨和极压性能。制备了含有不同比例MWNT (MWNT)和石墨的不同样品油。根据ASTM G99和ASTM D-2783标准对样品进行抗磨和承载能力测试。在四球试验机上通过载荷试验后，用扫描电镜(SEM)对摩擦表面进行了观察。磨损试验结果表明，与纯矿物油相比，多壁纳米管矿物油的磨损降低了70-75%。此外，已经观察到，与纯矿物油相比，多壁碳纳米管矿物油的承载能力提高了20%。对比了石墨和纳米管矿物油的抗磨性能和承载性能，发现石墨基润滑油比纳米管矿物油效率低。因此，这一发现将有助于开发新的纳米颗粒基润滑剂。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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