Kawasaki Steel has developed various kinds of cold-rolled, hot-rolled and galvannealed sheet steels for automobile inner and outer parts to reduce car weight. In this paper, process principles and typical mechanical properties of BH (bake hardenable) steel and an ultra high r-value steel are introduced. An application example of FEM analysis to press forming is also shown: a simulation of rectangular deep drawing of an ultra high r-value steel. The effect of r-value on deep drawability is quantitatively clarified. The newly developed steels combined with new utilization technology and new analysis tool are expected to contribute to weight reduction and crash worthiness of car body. (VDEh)
Formable sheet steel used for automobile inner and outer parts
Feinbleche mit ausgezeichneter Umformbarkeit für Automobilaußen- und -innenteile
Titel japanisch
Kawasaki Steel Giho ; 32 , 1 ; 7-13
2000
7 Seiten, 7 Bilder, 6 Tabellen, 25 Quellen
Article (Journal)
Japanese
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