For potential applications in automotive structural parts, metastable austenitic stainless steels provide important technical merits in material properties such as strength-to-weight ratio, strain hardening capacity, strain rate sensitivity, fatigue resistance and formability. Nitrogenalloyed AISI 200 series metastable steels are promising in this application as they are more economical solution with better mechanical properties compared to conventional 300 series steels. It has been shown that additional solution strengthening can be obtained by nitrogen alloying, maintaining the strain hardening capacity and high ductility of metastable steel. Moreover, nitrogenalloyed steel shows effective strengthening by grain refining, providing alternative way to temper the steel in addition to conventional cold working.


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    Title :

    Mechanical properties of nitrogen-alloyed high strength austenitic stainless steel for automotive applications


    Contributors:
    Kim, Y.H. (author) / Kim, K.Y. (author) / Lee, Y.D. (author)


    Publication date :

    2004


    Size :

    6 Seiten, 11 Bilder, 3 Tabellen, 15 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English