Assessment of the Metallurgical and Mechanical Properties of Stir cum Squeeze Cast A356 with 5wt. % SiC and x wt. % flyash Hybrid Composites 2020-28-0397
The forged connecting rod and pin experience a large amount of stresses due to cyclic load for a long period of time induced from the reciprocating movement of piston. The main objective of the industries is to produce lightweight components with high strength using with a novel and simple manufacturing process.In this context, the proposed experimental work was formulated to develop aluminium hybrid metal matrix composite of A356 with silicon carbide and flyash, processed through stir cum squeeze casting process under optimal parametric condition. The samples were subjected to a varying fly ash weight percentage of 0,5,10 and rest are kept constant. Responses like metallography, hardness, impact strength, flexural strength, fatigue strength was observed for the manufactured components. There was a significant improvement in the properties of components with higher weight percentage addition of A356 with 5wt% SiC and 10 wt% flyash hybrid composites. As the hard ceramic particles acts as a barrier for dislocation movement and resist plastic deformation cyclic strength was improved. The micro pour free densification during squeezing also added for the above property. The coupled effect of reinforcement addition and squeezing of the liquid metal shows enormous results than previous similar researchers and presently used connecting rod with pin material in all-train / formula vehicles.So the developed hybrid composites and their processing route are recommended for the industries to obtain better material yield and productivity.