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Effect of coiling temperature on oxide scale of hot-rolled strip

Journal Article


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Abstract


  • The influence of the coiling temperature, ranging from 550 to 570℃, on the morphology

    and the phase composition of the oxide scale formed on the microalloyed low carbon steel for

    automobiles after hot strip rolling was investigated. Physicochemical characteristics of the oxide

    scales were examined and their formation mechanism was discussed. Thickness of the oxide scale is in the range of 8-11μm and decreases with a decrease of coiling temperature. The microstructure and phase composition, XRD analysis shows a large amount of magnetite (Fe3O4) and some sparse hematite (Fe2O3) exist on the surface of hot rolled strip when the coiling temperature reduces from 570 to 550℃. The coiling temperature substantially affects the internal microstructure and magnetite phase.

UOW Authors


  •   Yu, Xianglong (external author)
  •   Jiang, Zhengyi
  •   Wang, Xiaodong (external author)
  •   Wei, Dongbin
  •   Yang, Quan (external author)

Publication Date


  • 2012

Citation


  • Yu, X., Jiang, Z., Wang, X., Wei, D. & Yang, Q. (2012). Effect of coiling temperature on oxide scale of hot-rolled strip. Advanced Materials Research, 415-417 853-858.

Scopus Eid


  • 2-s2.0-84255175925

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=2017&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/1008

Number Of Pages


  • 5

Start Page


  • 853

End Page


  • 858

Volume


  • 415-417

Abstract


  • The influence of the coiling temperature, ranging from 550 to 570℃, on the morphology

    and the phase composition of the oxide scale formed on the microalloyed low carbon steel for

    automobiles after hot strip rolling was investigated. Physicochemical characteristics of the oxide

    scales were examined and their formation mechanism was discussed. Thickness of the oxide scale is in the range of 8-11μm and decreases with a decrease of coiling temperature. The microstructure and phase composition, XRD analysis shows a large amount of magnetite (Fe3O4) and some sparse hematite (Fe2O3) exist on the surface of hot rolled strip when the coiling temperature reduces from 570 to 550℃. The coiling temperature substantially affects the internal microstructure and magnetite phase.

UOW Authors


  •   Yu, Xianglong (external author)
  •   Jiang, Zhengyi
  •   Wang, Xiaodong (external author)
  •   Wei, Dongbin
  •   Yang, Quan (external author)

Publication Date


  • 2012

Citation


  • Yu, X., Jiang, Z., Wang, X., Wei, D. & Yang, Q. (2012). Effect of coiling temperature on oxide scale of hot-rolled strip. Advanced Materials Research, 415-417 853-858.

Scopus Eid


  • 2-s2.0-84255175925

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=2017&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/1008

Number Of Pages


  • 5

Start Page


  • 853

End Page


  • 858

Volume


  • 415-417