Rev. Met. Paris
Volume 104, Number 12, Décembre 2007Steelmaking
Use of steel
|Page(s)||613 - 624|
|Published online||17 January 2008|
Very and Ultra High Strength Steels based Tailored Blanks: a step further towards vehicle crash performance improvement
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.
© La Revue de Métallurgie, 2007
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