Abstract
The paper predicts the exceptional extreme pressure properties of multi walled carbon nano tube as compared with traditional mineral oil which also contained some additives and graphite. The extreme pressure property was predicted by four ball tester. In the test the load bearing capacity of the newly developed nano oil was predicted to have a better value than the commercial available mineral oil. The weld load of the nanolubricant was found to be 200 kgf as compared with the base mineral oil which got welded at 160 kgf. Thus, the finding would be helpful in developing new nanolubricants which would increase the life of the mating parts, reducing the chances of failure of machine and increasing the productivity. Key words: Mineral oil, multi walled carbon nano tube (MWCNT), pass load, weld load, load bearing capacity, Carbon Nano Tubes (CNT).
Highlights
With the advancement of new technologies, new critical applications have taken their birth in various fields
Due to its tubular structures and higher mechanical properties it can be predicted that carbon nano tubes may work as rolling bearings without getting broken between two mating parts which may reduce the frictional coefficient and increase the load bearing capacity of the CNT based lubricant
To study the behavior of MWNTs under the above mentioned conditions, five specimens were compared under same conditions: Base mineral oil, Base mineral oil with CNT as an additive in three different concentrations (0.1, 0.5 and 0.6 wt%) and Base mineral oil with graphite as an additive
Summary
The paper predicts the exceptional extreme pressure properties of multi walled carbon nano tube as compared with traditional mineral oil which contained some additives and graphite. The extreme pressure property was predicted by four ball tester. In the test the load bearing capacity of the newly developed nano oil was predicted to have a better value than the commercial available mineral oil. The weld load of the nanolubricant was found to be 200 kgf as compared with the base mineral oil which got welded at 160 kgf. The finding would be helpful in developing new nanolubricants which would increase the life of the mating parts, reducing the chances of failure of machine and increasing the productivity
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