Direct Resistance Joule Heating of Al-10 pct Si-Coated Press Hardening Steel

Lee, Chang Wook; Choi, Won Seok; Cho, Yeol Rae; De Cooman, Bruno Charles

doi:10.1007/s11661-016-3467-x

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Direct Resistance Joule Heating of Al-10 pct Si-Coated Press Hardening Steel

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Choi, Won Seok
Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

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Citation

Lee, C. W., Choi, W. S., Cho, Y. R., & De Cooman, B. C. (2016). Direct Resistance Joule Heating of Al-10 pct Si-Coated Press Hardening Steel. Metallurgical and Materials Transactions A, 47(6), 2875-2884. doi:10.1007/s11661-016-3467-x.

Cite as: https://hdl.handle.net/21.11116/0000-0001-B299-9

Abstract

Various rapid heating methods have been developed to increase the productivity of press hardening steel. One of these methods is direct resistance Joule heating. This heating method results in the melting of the surface coating and the formation of a persistent liquid trail as a result of the high thermal conductivity and low melting temperature of the Al-10 pct Si alloy coating. This can be addressed by an alloying preheating treatment prior to the press hardening process. © 2016, The Minerals, Metals Materials Society and ASM International.