Abstract
AISI 1045 specimen was compared through a high-frequency heat treatment simulation and experiment considering metal phase transformation. 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.
Highlights
The biggest issues in heat treatment applications often involve improving the energy efficiency, improving the product quality, and minimizing environmental pollutants and CO2 emissions during the heat treatment process
Ji et al [5] used finite element analyses to design a rolling process for gear manufacturing using high-frequency induction heating
The accuracy accuracy of of the high-frequency high-frequency heat treatment simulation was compared to the hardening depth obtained experimentally with the hardening depth obtained in the simulation based on the current of the induction heating coil
Summary
The biggest issues in heat treatment applications often involve improving the energy efficiency, improving the product quality, and minimizing environmental pollutants and CO2 emissions during the heat treatment process. High-frequency induction hardening is economical and environmentally friendly, as heat energy is created using electricity instead of burning fossil fuels. Due to these advantages, it is widely used as a local hardening heat treatment technology. Of high-frequency induction heating and hardeninginduction utilizing heating finite element analysis have not finite element analysis have not considered the input power of the process variables. The. The accuracy accuracy of of the high-frequency high-frequency heat treatment simulation was compared to the hardening depth obtained experimentally with the hardening depth obtained in the simulation based on the current of the induction heating coil
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