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http://dx.doi.org/10.9725/kts.2020.36.1.11

Friction Assessment of Canola Oil on Contact Bearing Materials  

Okechukwu, Nicholas Nnaemeka (Graduate School, Dept. of Bio-Industrial Machinery Engineering, Pusan National University)
Byun, JaeYoung (Graduate School, Dept. of Bio-Industrial Machinery Engineering, Pusan National University)
Kim, JongSoon (Dept. of Bio-Industrial Machinery Engineering, Pusan National University)
Park, JongMin (Dept. of Bio-Industrial Machinery Engineering, Pusan National University)
Kwon, SoonGoo (Dept. of Bio-Industrial Machinery Engineering, Pusan National University)
Chung, SungWon (Dept. of Bio-Industrial Machinery Engineering, Pusan National University)
Kwon, SoonHong (Dept. of Bio-Industrial Machinery Engineering, Pusan National University)
Choi, WonSik (Dept. of Bio-Industrial Machinery Engineering, Pusan National University)
Publication Information
Tribology and Lubricants / v.36, no.1, 2020 , pp. 11-17 More about this Journal
Abstract
In manufacturing operations, oil plays a crucial role in reducing friction and wear among interacting surfaces at varying velocities, loads, and temperature. Hydrocarbon oil is considered the origin of lubrication oils. However, this base oil has been limited in its use as it is a principal cause of pollution. This research focuses on identifying a biodegradable base oil lubricant that possesses a stable coefficient of friction and viscosity with temperature. Friction analysis is conducted by employing a pin on a disk tribotester with a fixed load of 10 N at varying sliding speeds ranging from 0.06 m/s to 0.34 m/s. Oil viscosity analysis is perfomed at room temperature by using a rotary viscometer. Tests are performed using canola oil and paraffin oil as lubricants. The results indicate that the viscosity of canola oil is more efficient than paraffin oil. The non-dimensional characteristic number according to the Stribeck curve reveals an elastohydrodynamic lubrication regime with canola oil lubrication. A comparison of both lubricants reveals that, the friction efficiency of canola oil and paraffin oil does not differ considerably. However, the friction in canola oil is observed to decrease more than that in paraffin oil at an elevated sliding speed. The tests confirm that canola oil is potent in minimizing the friction coefficient of SCM440 bodies interacting with one another as well as acted upon by load.
Keywords
canola oil; elastohydrodynamic lubrication; friction; stribeck curve; viscosity;
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Times Cited By KSCI : 2  (Citation Analysis)
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