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Effects of Technological Parameters on the Synthesis of Ti(C, N) by Carbothermal Reduction of TiO2

XIANG Junhui, XIAO Hanning

(Chemistry and Chemical Engineering G)llege, Hunan University)

Abstract: Effects of technological parameters, including temperature, holding time, rate of N2 flow, and ratio of C/Ti, to the preparation of Ti(C, N) by carbothermal reduction of TiO2 were investigated. Results show that N is more liable than C to compound with Ti, and the change of technological parameters can adjust the x value of Ti(Ci1-xNx). Ase­ries of Ti(Ci1-xNx）powderswith an x value ranged from 0.6 to 0.85 can be prepared at temperatures from 1400℃ to 1700℃.

Keywords: titanium dioxide, titanium carbide -nitride, technological parameter, carbothermal reduction


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