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β-resin extracted from coal-tar pitch was mixed with α-resin and silica gel. Drying and grinding to powder then followed, and this was subsequently heated in a nitrogen atmosphere at 300-480°C until mesophase was cultured. Heat-treatment at 900-1200°C was conducted for 2-7 h. The production of silicon carbide can be carried out at low temperature in the process so that it is cost-effective in energy...
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