Weight Reduction and Improvement of Safety Level in Impacts with High Strength Steels Tailored Blanks Technology

In order to develop light-weight and high stiffness automotive body, technology of weight reduction by materials must be established. The energy absorbing property of high strength steels that contributes to crashworthiness, tailored blank's material property, and the effects from the welding method's difference of laser and plasma was investigated. It enabled to clarify the applying range of high strength steels.

Applied cases of tailored blanks of high strength steels on SUZUKI's new compact cars MR Wagon and Lapin are explained in this report.