Effects of Material Properties for Non-Equilibrium Conditions in Induction Heating Process

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As the induction heating is very fast, it is reasonable to assume that the material properties are different from those measured under thermodynamic equilibrium conditions. For this reason, this study attempts to measure the effect of material properties variations on the surface temperature using the 2D axisymmetric model. The results show that the relative magnetic permeability is the property that most significantly influences surface temperatures and the hardness profile. The effects of specific heat and electrical conductivity are rather low, while the thermal conductivity has a negligible effect on the model developed. Moreover, the variation ofaustenitizingtemperature of margins has limited effects on the developed model. Therefore, the use of material properties at thermodynamic equilibrium was sufficient to establish models able to predict trends.

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Periodical:

Edited by:

Yun Wu and Yijin Wu

Pages:

496-503

DOI:

10.4028/www.scientific.net/AMR.664.496

Citation:

N. Barka et al., "Effects of Material Properties for Non-Equilibrium Conditions in Induction Heating Process", Advanced Materials Research, Vol. 664, pp. 496-503, 2013

Online since:

February 2013

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$38.00

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