Tribological Investigation on B83 Babbitt reinforced with silicon carbide
PG Scholar, Dept. of Mechanical Engineering, D.V.V.P. college of Engineering, Ahmednagar, Maharashtra, India, India
ABSTRACT
In this research work the stir casting method is used to fabricate babbit metal matrix composite by reinforcing silicon carbide with 2%, 4%, 6% respectively. Wear test was conducted at ambient temperature by using lubricating oil. Pin on disc apparatus was used to conduct wear test by considering different affecting parameters i.e. Normal load, sliding velocity, sliding distance. The specimen pins of composite materials were tested against EN8 disc. Result of wear test is studied and compared with existing babbit. The babbit+2% SiC composite possesses minimum wear rate. Experimental validation was carried out by using Design of Experiment (DOE) approach. It is clear that % of SiC has high influence on wear and it is an important control factor to be taken into consideration during the wear process followed by applied loads and sliding speed respectively. The microstructure of composite material after conducting wear test is studied by using Scanning Electron Microscopy. By addition of 2% SiC in Babbit alloy, microstructure get refined which leads to increase in wear resistance. From this study it is concluded that wear resistance is increases by addition 2% silicon carbide as compared to the existing babbit alloy and other composition of material.
