Abstract
Nickel-based alloys have superior properties like high strength, low thermal conductivity and extreme fatigue strength however these properties make machining very difficult. Since Inconel 718 alloy has extensive applications in the field of aerospace, we need to find the best ways to improve its machinability. Heat assisted machining is one technique which makes machining easier because it reduces the shear strength of the work piece when compare to machining at room temperature. In the present paper, Abaqus/explicit software is used to study the influence of pre heating temperature on surface roughness and cutting forces during machining of Inconel 718 alloy using coated and uncoated tools. Finally the results are compared at room temperature and preheating conditions.
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