As the regulations for side impact safety of automobiles become more stringent, higher strength DIMs (door impact beams) have become necessary. Recently, an ultra-high-strength, hot rolled steel has been developed for this purpose. Due to its optimized chemical composition, the newly developed steel also exhibits excellent delayed-fracture resistance characteristics. DIBs made of the newly developed steel respond very well to crash situations and have a delayed fracture resistance of 1620 MPa. Applications for this newly developed steel are expected to grow.


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    Titel :

    Ultra-high-strength, quench-type, hot-rolled steel sheets of 1,620 MPa grade for automobile door impact beams


    Weitere Titelangaben:

    Warmgewalzte Stahlbleche aus gehärtetem ultrahochfestem Stahl der Güte 1620 MPa für Seitenaufprallträger von Fahrzeugtüren


    Beteiligte:
    Sato, Moto (Autor:in) / Utsumi, Yukihiro (Autor:in) / Watanabe, Kenichi (Autor:in)

    Erschienen in:

    Kobelco Technology Review ; Oct. , 28 ; 13-17


    Erscheinungsdatum :

    2008


    Format / Umfang :

    5 Seiten, 8 Bilder, 3 Tabellen, 9 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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