Development of carbon–manganese–chromium steels for automotive hot stamping technologies

Taylor, T. and Fourlaris, G. and Evans, P. (2016) Development of carbon–manganese–chromium steels for automotive hot stamping technologies. Materials Science and Technology, 33 (4). pp. 487-496. ISSN 0267-0836

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Abstract

The hot stamping potential of three commercial carbon–manganese–chromium steels was demonstrated. The steels were selected with the intention of producing ultrahigh strength ferritic–martensitic dual phase microstructures from hot stamping heat treatment, exhibiting superior tensile properties for ‘impact energy absorptive’ crash performance compared to the conventional carbon–manganese–boron steel for automotive hot stamping technologies, 22MnB5. Compared to 22MnB5, each of the carbon–manganese–chromium steels provided at least twice the total elongation, yet with a relatively small loss to ultimate tensile strength. It was concluded that the carbon–manganese–chromium steels provide superior tensile properties for impact energy absorptive crash performance, while exhibiting ‘lean’ chemical compositions compared to previously investigated steels with similar aims and offer opportunities for use in the ‘tailor welded blank’ concept.

Item Type: Article
Uncontrolled Keywords: Hot stamping, Martensite, Dual Phase, Automotive crash performance
Subjects: H100 General Engineering
H300 Mechanical Engineering
H700 Production and Manufacturing Engineering
J500 Materials Technology not otherwise specified
Divisions: Faculty of Computing, Engineering and the Built Environment
Faculty of Computing, Engineering and the Built Environment > School of Engineering and the Built Environment
REF UoA Output Collections > REF 2021 UoA12: Engineering
Depositing User: Euan Scott
Date Deposited: 28 Jan 2019 10:48
Last Modified: 28 Jan 2019 10:48
URI: http://www.open-access.bcu.ac.uk/id/eprint/6945

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