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The influence of intensity of argon flow on the rate of mass loss in carbothermal reduction of quartzite to silicon carbide

J. Węgrzyn ; Silesian University of Technology, Faculty of Materials Engineering and Metallurgy, Katowice, Poland

Puni tekst: engleski pdf 217 Kb

str. 185-188

preuzimanja: 615



The effect of argon flow intensity on mass loss rate in the carbothermic reduction of SiO2 to SiC was examined. The graphite and natural quartzite in a molar ratio of C/SiO2=3 were used. Samples were reduced for 6 hours at 1 500 °C. In the range of argon flow intensity from 0,1 to 3,4 dcm3/min, the high level of rate of mass loss of the sample and the 70 – 80 % of SiC formed in the residue of the sample were obtained.

Ključne riječi

silica; carbon; carbothermal; reduction; intensity of argon flow

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