Abstract
Electrical discharge machining (EDM) can be classified as a manufacturing process with main thermal active principle. During this process the induced thermal energy on the material leads to numerous surface modifications such as metallurgical transformation, tensile stresses or initiation of micro cracks. These modifications on the surface can strongly affect the functionality of the produced component. Simulation of microstructure modifications during EDM can be a beneficial approach in prediction of surface modifications and consequently, variations in material properties. Phase field approach which has been emerged during last twenty years, is well known as a powerful method in modeling microstructure evolution. Models based on this approach describe microstructure modifications in mesoscale. This paper investigates the potential of phase field approach for modeling of microstructure evolution in EDMed surfaces and subsurfaces.
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