Naslov
Chemical and structural analysis of ceramic powders used in continuous casting process

Autori
Roldo, Liane ; Cardoso, Paulo H. S. ; Moraes, Carlos A. M. ; Oliveira Neto, F. A. ; Strohaecker, Telmo Roberto ; Vilela, Antonio C. F.

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Congresso Brasileiro de Cerâmica (57. : 2013 maio 19-22 : Natal, RN) / - , 2013, 39-50

Skup
Congresso Brasileiro de Cerâmica

Mjesto i datum
Natal, Brazil, 19.05.2013. - 22.05.2013

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
ceramic powder ; continuous casting ; wollastonite ; cuspidine

Sažetak
Three different ceramic powders used in continuous casting process were analyzed in three different conditions. The conditions were: the original powder (collected in the steel mill storage), the original dried powder, to simulate the powder condition just before use in casting process and the melted powder, to reproduce the powder condition after the passage of the molten steel. X-ray Diffraction, micro-Raman spectroscopy and X-ray Fluorescence were carried out to investigate the chemical features of the material. Thermogravimetric and Differential Thermal Analysis were employed as well to evaluate the structural behavior of the powders under heating. A considerable qualitative phase composition was obtained for each sample condition. Wollastonite (CaSiO3) was the major phase identified in the original powders, and in the melted powders the major phase was cuspidine (Ca4Si2O7F2).

Izvorni jezik
Engleski

Znanstvena područja
Metalurgija, Interdisciplinarne tehničke znanosti

POVEZANOST RADA