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Very and Ultra High Strength Steels based TailoredBlanks: a step further towards vehicle crash performanceimprovement

Published online by Cambridge University Press:  17 January 2008

D. Duque Múnera ,
L. Lacassin  and
F. Pinard
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Abstract

Ultra and Very High Strength Steels (UHSS, VHSS) solutions are proposed by ArcelorMittal to meet front, side, rear and rollover crash requirements. UHSS and VHSS steel monolithic solutions have strongly progressed crash safety and lightening. Another step towards higher performance is afforded by UHSS and VHSS Tailored Welded Blank (TWB) configurations. Three parts are analysed that participate actively in vehicle crashworthiness: sidemember, B-pillar reinforcement and front-end bumper. A comparison between monolithic solutions and TWB solutions is presented, in order to determinate the extra gains (i.e. mass saving, energy absorption) that a TWB solution can offer.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 104 , Issue 12: SteelmakingCold rollingUse of steel , December 2007 , pp. 613 - 624
Copyright
© La Revue de Métallurgie, 2007

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