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Inconel 718 is commonly used in structural critical components of aircraft engines due to its properties at high temperatures. In order manufacture the final part, these components have to be machined, so the final surface integrity obtained after machining becomes a key issue. Residual stresses, which are included in surface integrity, are an important issue. Although much of the research carried...
This paper presents 2D and 3D FEM simulation results concerning the distribution of residual stresses in the sublayer of machined parts made of Ti6Al4V titanium alloy. FEM simulations were performed for power law and J-C (Johnson-Cook) material constitutive models. Machining tests were carried out using carbide cutting tools coated with a TiAlN monolayer without coolants. The selection of machining...
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