Metallurgical factors affecting the press formability of the newly developed high strength sheet steels have been discussed. Dual phase steels, CHLY (cold-rolled sheet steel) and HTP-D(as-hot-rolled sheet steel), produced by control of cooling conditions after intercritical annealing or hot-rolling exhibit very low yield to tensile strength ratio and high n-value. Rephosphorized extra-low carbon steel, CHRX, produced by continuous annealing with rapid cooling is characterized by its extremely high r-value and low yield strength. CHLY, HTP-D and CHRX have large bake hardenability. Precipitation hardened steel, HTP-F(hot-rolled sheel steel), produced by adjusting carbon equivalent and sulfur content is suitable for manufacturing wheel rims owing to its good formability after flash but welding.


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    Titel :

    Properties of formable high strength sheet steels for automotive use


    Weitere Titelangaben:

    Eigenschaften von verformbaren hochfesten Stahlblechen fuer den Automobilbau


    Beteiligte:
    Satoh, S. (Autor:in) / Tosaka, A. (Autor:in) / Kato, T. (Autor:in) / Shinozaki, M. (Autor:in) / Obara, T. (Autor:in) / Nishida, M. (Autor:in)


    Erscheinungsdatum :

    1983


    Format / Umfang :

    10 Seiten, 19 Bilder, 2 Tabellen, 12 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Properties of Formable High Strength Sheet Steels for Automotive Use

    Satoh,S. / Tosaka,A. / Kato,T. et al. | Kraftfahrwesen | 1983


    High Strength Formable Sheet Steel

    Hamburg, E. G. / Bucher, J. H. | SAE Technical Papers | 1977


    High-strength formable automotive structural steel

    Kim, Y.G. / Kim, T.W. / Hong, S.B. | Tema Archiv | 1993


    High Strength Formable Sheet Steel

    Bucher,J.H. / Hamburg,E.G. / Jones and Laughlin Steel,US | Kraftfahrwesen | 1977


    High-strength formable automotive structural steel

    Kim,Y.G. / Kim,T.W. / Hong,S.B. et al. | Kraftfahrwesen | 1993