Nanodiamond-based oil lubricants on steel-steel and stainless steel – hard alloy high load contact: investigation of friction surfaces
Abstract
In the current paper, synergistic compositions of detonation nanodiamond (DND) particles in the form of aggregates and fully deagglomerated 5nm particles were used as additives to 10W40 and 5W30 oils, correspondingly. Ringon-disk and block-on-ring tribological tests were performed under high load conditions (300N and 980N) using friction pairs with different relative hardness. Significant reduction of wear was observed for the HRC25/25, HRC25/50 and HRC30/HRC60 steel/steel friction pairs, while for the HRC60/60 steel/steel and HRA86/HRC24 hard alloy/steel friction pairs increased wear took place. It was concluded that use of ND in lubricants under high load conditions should be approached cautiously taking into account absolute and relative hardnesses of the friction surfaces.
About the Authors
M. IvanovRussian Federation
Yekaterinburg
Z. Mahbooba
United States
Raleigh
D. Ivanov
Russian Federation
Yekaterinburg
S. Smirnov
Russian Federation
Yekaterinburg
S. Pavlyshko
Russian Federation
Yekaterinburg
E. Osawa
Japan
Tokita
D. Brenner
United States
Raleigh
O. Shenderova
United States
Raleigh
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Review
For citations:
Ivanov M., Mahbooba Z., Ivanov D., Smirnov S., Pavlyshko S., Osawa E., Brenner D., Shenderova O. Nanodiamond-based oil lubricants on steel-steel and stainless steel – hard alloy high load contact: investigation of friction surfaces. Nanosystems: Physics, Chemistry, Mathematics. 2014;5(1):160-166.