Effects of coolant pressure on chip formation while turning Ti6Al4V alloy

This paper investigates the effect of the application of cutting fluid at high pressure during machining of titanium alloys. The application of high-pressure coolant during machining results in longer tool life and better surface finish on the machined material. In addition, the effect of coolant application pressure on the morphology of the machined chip has been investigated. A significant variation in the microstructure of the machined chip including the thickness of the shear bands and the serrated tooth structure for different coolant application pressures has been identified. (C) 2009 Elsevier Ltd. All rights reserved