The chemical composition of the Nb, Ti microalloyed steel was established. The rolling and cooling conditionsin the thermomechanical treatment of sheets with a ferritic-martensitic (dual phase) structure and a ferritic-bainitic with retained austenite (TRIP - Transformation Induced Plasticity) structure were determined. It was found that sheets produced according to this method have a more fine-grained structure and also better mechanical properties than after the classical underhardening or isothermal quenching from the temperature slightly higher than Ac1 of the investigated steel.


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    Title :

    Blachy samochodowe typu DP i TRIP walcowane metoda obrobki cieplno-mechanicznej


    Additional title:

    Thermomechanisch hergestellte Autokarrosserie-Stahlbleche vom Typ DP und TRIP
    DP-type and TRIP-type autobody sheets rolled by the use of the thermomechanical treatment


    Contributors:

    Published in:

    Hutnik - Wiadomosci Hutnicze ; 71 , 7/8 ; 305-309


    Publication date :

    2004


    Size :

    5 Seiten, 7 Bilder, 3 Tabellen, 11 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    Polish




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