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Modification of oxide inclusions in calcium-treated Al-killed high sulphur steels. / Gollapalli, Veerababu; Rao, M.B.Venkata; Karamched, P.S.; Borra, Chenna Rao; Roy, G.G.; Srirangam, Prakash.

In: Ironmaking & Steelmaking: processes, products and applications, Vol. 46 (2019), No. 7, 2018, p. 663-670.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Gollapalli, V, Rao, MBV, Karamched, PS, Borra, CR, Roy, GG & Srirangam, P 2018, 'Modification of oxide inclusions in calcium-treated Al-killed high sulphur steels' Ironmaking & Steelmaking: processes, products and applications, vol. 46 (2019), no. 7, pp. 663-670. https://doi.org/10.1080/03019233.2018.1443382

APA

Gollapalli, V., Rao, M. B. V., Karamched, P. S., Borra, C. R., Roy, G. G., & Srirangam, P. (2018). Modification of oxide inclusions in calcium-treated Al-killed high sulphur steels. Ironmaking & Steelmaking: processes, products and applications, 46 (2019)(7), 663-670. https://doi.org/10.1080/03019233.2018.1443382

Vancouver

Gollapalli V, Rao MBV, Karamched PS, Borra CR, Roy GG, Srirangam P. Modification of oxide inclusions in calcium-treated Al-killed high sulphur steels. Ironmaking & Steelmaking: processes, products and applications. 2018;46 (2019)(7):663-670. https://doi.org/10.1080/03019233.2018.1443382

Author

Gollapalli, Veerababu ; Rao, M.B.Venkata ; Karamched, P.S. ; Borra, Chenna Rao ; Roy, G.G. ; Srirangam, Prakash. / Modification of oxide inclusions in calcium-treated Al-killed high sulphur steels. In: Ironmaking & Steelmaking: processes, products and applications. 2018 ; Vol. 46 (2019), No. 7. pp. 663-670.

BibTeX

@article{5a42f9b36a544b059d6d32c39e8ffa22,
title = "Modification of oxide inclusions in calcium-treated Al-killed high sulphur steels",
abstract = "A study has been carried out to understand the modification of alumina inclusions in Al-killed high sulphur steel with calcium treatment. For calcium treatment to be effective, a general practice is to desulphurise the steel to prevent the formation of solid CaS inclusions that are harmful to steel quality and final properties. To avoid this additional desulphurising step, the authors developed a new approach of calcium treatment of steel at an industrial scale. This approach involves treating the liquid steel with calcium treatment at low aluminium levels which enables formation of liquid calcium aluminate inclusions (C12A7) in the melt and then adding remaining amount of required aluminium. Based on this principle, Al-S diagram has been developed and calcium treatment has been modified accordingly. The inclusion transformation and morphology were studied using scanning electron microscope /energy dispersive spectroscopy analysis and. activity of CaS was calculated.",
keywords = "aluminium-killed steel, billet, calcium aluminates, high sulphur, Inclusion, oxy-sulphides",
author = "Veerababu Gollapalli and M.B.Venkata Rao and P.S. Karamched and Borra, {Chenna Rao} and G.G. Roy and Prakash Srirangam",
note = "Accepted Author Manuscript",
year = "2018",
doi = "10.1080/03019233.2018.1443382",
language = "English",
volume = "46 (2019)",
pages = "663--670",
journal = "Ironmaking & Steelmaking: processes, products and applications",
issn = "0301-9233",
publisher = "Maney Publishing",
number = "7",

}

RIS

TY - JOUR

T1 - Modification of oxide inclusions in calcium-treated Al-killed high sulphur steels

AU - Gollapalli, Veerababu

AU - Rao, M.B.Venkata

AU - Karamched, P.S.

AU - Borra, Chenna Rao

AU - Roy, G.G.

AU - Srirangam, Prakash

N1 - Accepted Author Manuscript

PY - 2018

Y1 - 2018

N2 - A study has been carried out to understand the modification of alumina inclusions in Al-killed high sulphur steel with calcium treatment. For calcium treatment to be effective, a general practice is to desulphurise the steel to prevent the formation of solid CaS inclusions that are harmful to steel quality and final properties. To avoid this additional desulphurising step, the authors developed a new approach of calcium treatment of steel at an industrial scale. This approach involves treating the liquid steel with calcium treatment at low aluminium levels which enables formation of liquid calcium aluminate inclusions (C12A7) in the melt and then adding remaining amount of required aluminium. Based on this principle, Al-S diagram has been developed and calcium treatment has been modified accordingly. The inclusion transformation and morphology were studied using scanning electron microscope /energy dispersive spectroscopy analysis and. activity of CaS was calculated.

AB - A study has been carried out to understand the modification of alumina inclusions in Al-killed high sulphur steel with calcium treatment. For calcium treatment to be effective, a general practice is to desulphurise the steel to prevent the formation of solid CaS inclusions that are harmful to steel quality and final properties. To avoid this additional desulphurising step, the authors developed a new approach of calcium treatment of steel at an industrial scale. This approach involves treating the liquid steel with calcium treatment at low aluminium levels which enables formation of liquid calcium aluminate inclusions (C12A7) in the melt and then adding remaining amount of required aluminium. Based on this principle, Al-S diagram has been developed and calcium treatment has been modified accordingly. The inclusion transformation and morphology were studied using scanning electron microscope /energy dispersive spectroscopy analysis and. activity of CaS was calculated.

KW - aluminium-killed steel

KW - billet

KW - calcium aluminates

KW - high sulphur

KW - Inclusion

KW - oxy-sulphides

UR - http://resolver.tudelft.nl/uuid:5a42f9b3-6a54-4b05-9d6d-32c39e8ffa22

UR - http://www.scopus.com/inward/record.url?scp=85044023199&partnerID=8YFLogxK

U2 - 10.1080/03019233.2018.1443382

DO - 10.1080/03019233.2018.1443382

M3 - Article

VL - 46 (2019)

SP - 663

EP - 670

JO - Ironmaking & Steelmaking: processes, products and applications

T2 - Ironmaking & Steelmaking: processes, products and applications

JF - Ironmaking & Steelmaking: processes, products and applications

SN - 0301-9233

IS - 7

ER -

ID: 42588645