Fig.7From: Effect of bio-mineral oil blend quenchant on the mechanical properties of carburized mild-steelOptical microstructural examination of carburized mild steel quenched in different media. a Control sample. b Quenched in 100%Water. c Quenched in 100%SAE40. d Quenched in 100% Groundnut oil. e Quenched in 70% GN + 30% SAE40. f Quenched in 60% GN + 40% SAE40. g Quenched in 50% GN + 50% SAE40Back to article page