Abstract
Boron and titanium carbides were synthesized by the carbothermic reduction of boron or titanium oxides dispersed in a cure resin. On raising heat treatment temperature (HTT), the metal oxides were reduced and reacted with the resin carbon produced from resin, and also the resin carbon was graphitized partly by the presence of metal oxides. When the cure resin containing 65 or 70wt% TiO2 was fired at 2000 and 2250°C, a porous sintered TiC was produced. The sintering bodies with addition of 70 wt% TiO2 showed specific surface area of 240 m2/g (HTT: 2250 °C), the bending strength of 70MPa (HTT: 2000°C), and the specific resistance of 2×10-4Ωcm (HTT: 2250°C).
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