Addition Of Molybdenumdialkyl Dithiophosphate (MoDTP) Into Zinc Diamyldithiocarbamate (ZDDC) Induced Canola Oil Bio-Lubricants As Tribological Properties Improver

Mokhtaza, Aliff Amirudin (2016) Addition Of Molybdenumdialkyl Dithiophosphate (MoDTP) Into Zinc Diamyldithiocarbamate (ZDDC) Induced Canola Oil Bio-Lubricants As Tribological Properties Improver. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) Addition Of Molybdenumdialkyl Dithiophosphate (MoDTP) Into Zinc Diamyldithiocarbamate (ZDDC) Induced Canola Oil Bio-Lubricants As Tribological Properties Improver.pdf - Submitted Version Download (693kB)

Abstract

This study reports on the development of a new bio-lubricant with the use of Zinc Diamyl Dithiocarbamate (ZDDC) induced canola oil added with Molybdenum Dialkyl Dithiophosphate (MoDTP). There is an increasing need for the substitution of conventional mineral based lubricants due to increasing environmental concerns as mineral based lubricants are harmful to the environment when improperly disposed. Five samples were prepared with the addition of a constant 2 wt% of ZDDC and varied concentrations of MoDTP at 0 wt%, 0.05 wt%, 0.10 wt%, 0.15 wt% and 0.20 wt%. The kinematic viscosity of the prepared samples were tested using a heated viscometer and the successfulness of dilution using Rotating Disc Electrode-Atomic Emission Spectroscopy (RDE-AES). Then the samples were characterized using the Four-ball Tester to determine the coefficient of friction and the wear scar diameter is observed and measured with the aid of an Upright Light Microscope. The results demonstrated that the desirable combination of additives were 0.05 wt% MoDTP and 2 wt% ZDDC induced canola oil as it produced the lowest kinematic viscosity at 37.74 cSt, coefficient of friction of 0.080 and wear scar diameter of 115 μm compared to the results for the other samples. The results of the comparison between the newly developed bio-lubricant and conventional SAE 15W-40 shown that the new bio-lubricant have a comparable performance towards SAE 15W-40 lubricants despite of only using the combination of MoDTP and ZDDC. As a conclusion, the newly developed bio-lubricant have the potential to be used as an alternative to conventional mineral based lubricant as observed in the results.

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