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Recrystallisation behaviour of low carbon steel with and without addition of chromium

Journal Article


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Abstract


  • The effects of 0.74wt% Cr addition on the recrystallisation kinetics of low carbon (LC)

    steel was investigated using Vickers hardness testing, optical metallography and Electron Back-

    Scattering Diffraction (EBSD). Compared to the unalloyed steel, Cr addition significantly delays

    the time for recrystallisation and increases the JMAK pre-exponential factor (k) by an order of

    magnitude. During initial softening, EBSD returned similar orientations for nucleated and growing

    grain fractions in both steels. However with longer annealing times the micro-texture of

    recrystallised grains differs from their earlier counterparts. Overall, the effect of fine Cr carbides on

    grain boundary mobility in the LC-Cr steel causes variations in recrystallisation kinetics, grain

    morphology and micro-textures.

Publication Date


  • 2012

Citation


  • Gazder, A. A., Bata, V., Hazra, S. S. & Pereloma, E. V. (2012). Recrystallisation behaviour of low carbon steel with and without addition of chromium. Materials Science Forum, 715-716 679-684.

Scopus Eid


  • 2-s2.0-84860768777

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=1070&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/65

Number Of Pages


  • 5

Start Page


  • 679

End Page


  • 684

Volume


  • 715-716

Abstract


  • The effects of 0.74wt% Cr addition on the recrystallisation kinetics of low carbon (LC)

    steel was investigated using Vickers hardness testing, optical metallography and Electron Back-

    Scattering Diffraction (EBSD). Compared to the unalloyed steel, Cr addition significantly delays

    the time for recrystallisation and increases the JMAK pre-exponential factor (k) by an order of

    magnitude. During initial softening, EBSD returned similar orientations for nucleated and growing

    grain fractions in both steels. However with longer annealing times the micro-texture of

    recrystallised grains differs from their earlier counterparts. Overall, the effect of fine Cr carbides on

    grain boundary mobility in the LC-Cr steel causes variations in recrystallisation kinetics, grain

    morphology and micro-textures.

Publication Date


  • 2012

Citation


  • Gazder, A. A., Bata, V., Hazra, S. S. & Pereloma, E. V. (2012). Recrystallisation behaviour of low carbon steel with and without addition of chromium. Materials Science Forum, 715-716 679-684.

Scopus Eid


  • 2-s2.0-84860768777

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=1070&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/65

Number Of Pages


  • 5

Start Page


  • 679

End Page


  • 684

Volume


  • 715-716