Potentials of single stage induction heating for press hardening of steel blanks

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Nacke, B.; Dietrich, A.: Potentials of single stage induction heating for press hardening of steel blanks. In: IOP Conference Series: Materials Science and Engineering 424 (2018), Nr. 1, 12058. DOI: https://doi.org/10.1088/1757-899X/424/1/012058

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Sum total of downloads: 52

Due to growing challenges regarding crash-performance, CO2 emission as well as increasing demand for lightweight construction, hot metal forming of car body parts has risen to one of the most important technologies for saving weight of a car body. During hot forming shaped blanks of steel are heated and austenitized at around 950°C and subsequently quenched for martensitic formation. Currently the heating is realized in roller hearth furnaces which allow only a slow heating and, therefore, a limited production rate. Induction heating of the blanks offers a big potential to increase the production rate dramatically and also to improve the energy efficiency. Only due to the fact, that the heated blanks typically are already pre-shaped with holes and cut-outs induction heating becomes a very complex task. The paper compares different possible induction heating methods (longitudinal heating, transverse flux heating, single stage induction heating, hybrid heating by induction and conventional heating). For the case of single stage induction heating a detailed numerical and experimental investigation in the frame of a recently completed research project is presented.
License of this version: CC BY 3.0
Document Type: article
Publishing status: publishedVersion
Issue Date: 2018
Appears in Collections:Fakultät für Elektrotechnik und Informatik

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pos. country downloads
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1 image of flag of Germany Germany 29 55.77%
2 image of flag of France France 14 26.92%
3 image of flag of Spain Spain 3 5.77%
4 image of flag of Canada Canada 3 5.77%
5 image of flag of Algeria Algeria 1 1.92%
6 image of flag of Brazil Brazil 1 1.92%
7 image of flag of Argentina Argentina 1 1.92%

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