Phase formation in MgO-C refractories with different antioxidants
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in: Journal of the European Ceramic Society, Jahrgang 41.2021, Nr. 14, 27.08.2021, S. 7330-7338.
Publikationen: Beitrag in Fachzeitschrift › Artikel › Forschung › (peer-reviewed)
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TY - JOUR
T1 - Phase formation in MgO-C refractories with different antioxidants
AU - Atzenhofer, Christina
AU - Harmuth, Harald
N1 - Publisher Copyright: © 2021
PY - 2021/8/27
Y1 - 2021/8/27
N2 - The application of Al or Si as antioxidants in MgO-C refractories leads to the in situ formation of new phases. Due to uncertainties regarding phase formation in some references four different test series were heat treated from 800 to 1600 °C under reducing conditions in 200 °C steps. The antioxidant systems investigated were pure Al, Al and Si in two different ratios and SiC. The addition of SiC did not lead to the formation of new phases but in case of Al and Si addition carbides, nitrides, oxycarbonitrides and oxynitrides were formed. The reaction series, its reason and its relation to equilibrium phase composition have been revealed.
AB - The application of Al or Si as antioxidants in MgO-C refractories leads to the in situ formation of new phases. Due to uncertainties regarding phase formation in some references four different test series were heat treated from 800 to 1600 °C under reducing conditions in 200 °C steps. The antioxidant systems investigated were pure Al, Al and Si in two different ratios and SiC. The addition of SiC did not lead to the formation of new phases but in case of Al and Si addition carbides, nitrides, oxycarbonitrides and oxynitrides were formed. The reaction series, its reason and its relation to equilibrium phase composition have been revealed.
UR - http://www.scopus.com/inward/record.url?scp=85111064399&partnerID=8YFLogxK
U2 - 10.1016/j.jeurceramsoc.2021.07.023
DO - 10.1016/j.jeurceramsoc.2021.07.023
M3 - Article
VL - 41.2021
SP - 7330
EP - 7338
JO - Journal of the European Ceramic Society
JF - Journal of the European Ceramic Society
SN - 0955-2219
IS - 14
ER -