Microstructure and texture control in cold rolled high strength steels

S. Janakiram, J. Gautam, Alexis Miroux, J. Moerman, Leo Kestens

    Research output: Contribution to journalArticleScientificpeer-review


    Formability had been important property of metals which is attributed to the texture development during thermomechanical processing particularly during hot rolling and cold rolling. In the present paper, the high strength steels with different carbon and manganese composition have been hot rolled above and below of austenite recrystallization temperature and followed by fast cooling up to different coiling temperature to get hot bands with different texture and two phase microstructure consisting ferrite with pearlite, bainite and martensite. Subsequently, these hot bands were cold rolled with 80 percent under plain strain condition. The microstructure of cold rolled sheets samples were analyzed using scanning electron microscope and showed the cold rolled microstructure with strong pancaked of two phase which was carried from the hot rolling. Cold rolled texture in ferrite pearlite microstructure is completely replaced by new texture components from hot rolled condition without the effect of Tnr. Hot rolled texture was retained in ferrite-bainite and martensite microstructure with the effect of Tnr. Increase in alloy chemistry weakens the texture intensity in ferrite pearlite/bainite microstructure. Whereas increase in alloy chemistry strengthens the texture intensity in ferrite martensite microstructure.
    Original languageEnglish
    Pages (from-to)84-93
    JournalDiffusion Foundations
    Publication statusPublished - 2019


    • High strength steels
    • Tnr
    • coiling
    • cold rolled texture
    • microstructure
    • α and ᵧ fibres


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