Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

High-Frequency Heat Treatment of AISI 1045 Specimens and Current Calculations of the Induction Heating Coil Using Metal Phase Transformation Simulations

Version 1 : Received: 12 October 2020 / Approved: 13 October 2020 / Online: 13 October 2020 (07:13:08 CEST)

How to cite: Choi, J.; Lee, S. High-Frequency Heat Treatment of AISI 1045 Specimens and Current Calculations of the Induction Heating Coil Using Metal Phase Transformation Simulations. Preprints 2020, 2020100260 (doi: 10.20944/preprints202010.0260.v1). Choi, J.; Lee, S. High-Frequency Heat Treatment of AISI 1045 Specimens and Current Calculations of the Induction Heating Coil Using Metal Phase Transformation Simulations. Preprints 2020, 2020100260 (doi: 10.20944/preprints202010.0260.v1).

Abstract

Based on electromagnetic heat transfer and metal phase transformation co-simulations, we modeled an AISI 1045 specimen under high-frequency heat treatment. Hardening zone predictions were confirmed through cooling and metal phase transformation simulations after obtaining the results from electromagnetic heat transfer simulations. The cooling process was modeled by applying the cooling coefficient of the cooling water in the same way as the actual heat-treatment process. To obtain the current flowing through the coil during high-frequency induction heating, the voltage was measured and applied using the resistance–inductance–capacitance circuit calculation method. Experimental and simulated results of the heating temperature and curing depth of an AISI 1045 specimen with a carbon content of 0.45% were compared; the comparison indicated good agreement between the two. Using the simulation results, we established a method for obtaining the current flowing through the induction coil for predicting the extent and depth of the hardening zone during high-frequency induction heat treatment.

Subject Areas

AISI 1045; Co-simulation; High-Frequency Induction Heat Treatment; Metal Phase Transformation; RLC Circuit

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