There has been a steady increase in the amount of high strength steels used in automobile industries in order to meet the strong demands for the weight reduction and the improvement of the crashworthiness of auto-bodies. Various types of high or ultra-high strength steel sheets have been developed for this purpose. It is also well established that these high or ultra-high strength steel sheets should have good press formability, weldability and corrosion resistance, etc. Phase transformations, precipitations and grain refinement hardenings are used together with solid solution hardening to strengthen the steel sheets with acceptable deteriorations of other properties than strength. Micro alloying is one of the key technologies in this field not only for the strengthening but also for the controlling of microstructures of steels. Thus, detailed understandings of the role of microalloying during recrystallization, transformations and their competitions in steels are essential to control the microstructure and mechanical properties of high strength steels.


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    Title :

    High strength steels for automobile use and the role of microalloying


    Additional title:

    Hochfeste Stähle für Anwendungen im Fahrzeugbau und die Rolle der Mikrolegierung


    Contributors:


    Publication date :

    2006


    Size :

    9 Seiten, 15 Bilder, 1 Tabelle, 14 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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