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    • 55. 发明公开
    • 탄소 바디의 생산을 위한 향상된 방법
    • 改进生产碳体的方法
    • KR1020070121722A
    • 2007-12-27
    • KR1020077022966
    • 2006-02-22
    • 그라프텍 인터내셔널 홀딩스 인코포레이티드
    • 코토비취,제임스윌리암인터밀,앨런더블유
    • C01B31/02C01B31/04
    • C04B35/522C04B35/521C04B35/645C04B2235/666
    • A method of forming a graphitic carbon body employs compression and resistance heating of a stock blend of coke and pitch. Preferably, the stock includes raw coke, high melting point pitch, and carbon fibers derived from pitch. Optionally, the stock may also include calcinated coke, graphite, carbon fibers, coal tar or petroleum pitch, or coking catalysts such as sulfur. During molding of the body, resistance heating is accompanied by application of mechanical pressure to increase the density and carbonization of the resulting preform body. The preform is then subjected to a graphitization temperature to form a graphitic carbon body, such as a graphite electrode or pin. Optionally, after hot-pressing, the preform electrode or pin may be subjected to one or more densification steps employing a carbonizable pitch to further increase the density of the preform prior to the graphitization step.
    • 形成石墨碳体的方法采用焦炭和沥青的原料混合物的压缩和电阻加热。 优选地,原料包括原焦炭,高熔点沥青和衍生自沥青的碳纤维。 任选地,原料还可以包括煅烧焦炭,石墨,碳纤维,煤焦油或石油沥青,或焦化催化剂如硫。 在模制身体时,电阻加热伴随着施加机械压力,以增加所得预成型体的密度和碳化。 然后将预制件进行石墨化温度以形成石墨碳体,例如石墨电极或销。 任选地,在热压之后,预成型件电极或销可以经受采用可碳化间距的一个或多个致密化步骤,以在石墨化步骤之前进一步增加预型件的密度。