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Title: A numerical method for predicting the depth of heat affected zone in EDM process for AISI H13 tool steel
Authors: Ivanov, A
Shabgard, MR
Seyedzavvar, M
Oliaei, S
Keywords: Finite Element Model;AISI H13 tool set;Electrical Discharge Machining;Electron Microscopy
Issue Date: 2011
Citation: Journal of Scientific and Industrial Research, 2011, 70 pp. 493 - 499 (7)
Abstract: This study presents a finite element model (FEM) to model temperature distribution for AISI H13 tool steel workpiece in electrical discharge machining (EDM) at different machining parameters (pulse current, pulse on-time, temperature-sensitive material properties, size of heat source, and material flushing efficiency). Scanning electron microscopy (SEM) with energy dispersive x-ray (EDX) and micro-hardness tests were used to validate accuracy of FEM predictions. Increasing pulse on-time leads to a higher depth of heat affected zone and increasing pulse current results in a slight decrease of depth of heat affected zone. There is a good agreement between experimental and numerical results.
ISSN: 0975-1084
Appears in Collections:Dept of Electronic and Computer Engineering Research Papers

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