• G C RAMESH

This study predicts the tribological characteristics of Zinc-Dialkyl-Dithio-Phosphate (ZDDP) additive added non-edible epoxidized pongamia biolubricant. The biolubricant samples are prepared by adding ZDDP additive into epoxidized pongamia oil at 1, 2 and 3 weight percentage (wt%) and their tribological characteristics such as kinematic viscosity, wear and friction are experimentally determined. Kinematic viscosities of biolubricant samples at different temperature ranging from 40 to 100 oC are determined using redwood viscometer and wear and friction characteristics of samples are determined using four-ball wear tester. The test results of ZDDP additive added epoxidized pongamia biolubricant samples are also compared with the test results of synthetic mineral oils SAE5W30 and SAE10W30. The epoxidized Pongamia biolubricant with 3 wt% of ZDDP additive is shown to provide a minimum wear scar diameter with less coefficient of friction as compared to synthetic mineral oil SAE5W30. Thus, the global demand for petroleum-based lubricants is found to be reduced by non-edible pongamia oil through proper chemical modification and addition of ZDDP additive in its proper wt%.

Pongamia biolubricant, epoxidation, ZDDP additive, tribological characteristics

"TRIBOLOGICAL CHARACTERISTICS OF ZDDP ADDITIVE ADDED EPOXIDIZED PONGAMIA BIOLUBRICANT", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.8, Issue 11, page no.c396-c400, November-2021, Available :http://www.jetir.org/papers/JETIR2111257.pdf

"TRIBOLOGICAL CHARACTERISTICS OF ZDDP ADDITIVE ADDED EPOXIDIZED PONGAMIA BIOLUBRICANT", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.8, Issue 11, page no. ppc396-c400, November-2021, Available at : http://www.jetir.org/papers/JETIR2111257.pdf