Abstract
Machining of aerospace and biomedical grade titanium alloys such as Ti6Al4V is always a challenge due to their low thermal conductivity and elastic modulus. Formation of localized shear bands during machining of Ti6Al4V alloy results in chip segmentation, which causes force variation on the cutting tool. An unconventional way is followed to study the effect of microstructural changes on cutting forces while machining Ti6Al4V alloy. Microstructure of the material was altered using static annealing and laser heat treatment. For static annealed material the study was focused on the effect of microstructure on machinability of Ti6Al4V alloys at different cutting speeds. The variation in force was observed to be smallest in the case of lower grain size samples subjected to machining.
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