In this paper, the authors investigate a forming process and formability of the hydroformed front side member designed in the ULSAB-AVC (UltraLight Steel AutoBody - Advanced Vehicle Concept) project. The forming process consists of bending, preforming and hydroforming. A feasibility study of these processes has been carried out by FEM (Finite Element Method) analysis. The authors then found a path by which they could form the front side member without it buckling or bursting. In addition, because the front side member designed in the ULSAB-AVC project is a highly specific one, the authors designed a front side member more generic to actual car body structures. Trials and evaluations of the crash absorption energy and forming accuracy of this generic front side member have been carried out using various thicknesses and strengths of tubes and tailored tubes.
Development of front side member by hydroforming
Entwicklung eines Frontseiten-Bauteils durch Hydroumformung
2004
9 Seiten, 20 Bilder, 1 Tabelle, 7 Quellen
Aufsatz (Konferenz)
Englisch
Development of Front Side Member by Hydroforming
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