Browse Publications Technical Papers 2019-01-0520

Applying Advanced High Strength Steels (AHSS) on Door Outer Panel for Lightweighting and Dent Resistance Performance 2019-01-0520

The lightweighting potential applying advanced high strength steels (AHSS) was studied on door outer panel. The dent resistance performance is considered in this study, which is most crucial for exterior panels on vehicles. NEXMET®440EX and NEXMET®490EX, which are exposed quality, highly formable AHSS products, are evaluated together with several other bake hardening grades. The door outer panel was chosen from a public domain vehicle model, and dent resistance analysis was conducted using ABAQUS at critical locations. The minimum gauge required to meet the dent resistance performance was obtained for these steels at each dent location. The gauge reduction offered by NEXMET® grades is evaluated based on the results from all dent locations.


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