Optimization on Wear Performance of Anti Wear Additive Added Biolubricant

Improving the tribological properties of the lubricating oil have been investigated by many researchers. Adding suitable additive improves the tribological behaviour however it also depend on the characteristics of nanoparticles. The effect of the CuO nanoparticle on the tribological behaviour in Syntium 800 SL 10W-30 was investigated. The wear tester (piston-ring) has used under the three (3) parameters load, rpm and concentration. The specification of the nanoparticle affects the tribological behaviour in aspect of size, concentration, hardness, shape and etc. The friction and wear experiment were conducted using tribo-tester and the improvement of the performance were investigated using RSM method. Therefore, two (2) concentration used to conduct the experiment (0%, 0.005wt% and 0.01wt %) with size 40nm is compared with base oil. Sonicator water bath used to disperse the nanoparticles in base oil and tribo-tester are used to measure the friction of coefficient and wear rate to determine the better base oil. In addition, the thermal properties of the nano lubricant will also be measured and results show the thermal conductivity of nanolubricant increases compared to base oil. Therefore, the result indicate that CuO nanoparticles improves the tribological behaviour also the thermal properties of the lubricant oil.
Keywords—Concentration, improvement, tribological, copper (II) oxide, nano lubricant.