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用中间相炭微球(MCMBs)为原料,冷模压成型,再经过热处理后得到高密高强模压炭/石墨材料.考察MCMB成型体在热处理过程中的宏观变化,探索其收缩规律.实验结果表明,在热处理过程中,MCMB成形体的炭化失重主要发生在低温处理阶段,900℃炭化失重已超过90%,而尺寸收缩主要发生在高温炭化阶段,其中热处理温度在900℃~2000℃阶段其体积收缩超过了总体积收缩的45%.

参考文献

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[2] 宋永忠,孙宝珍,李贵生,翟更太,刘朗.中间相碳微球模压高密高强碳/石墨材料的SEM研究[J].宇航材料工艺,2004(02):49-53.
[3] Wang Yong-Gang;Korai Yozo;Mochida Isao .Carbon disc of high density and strength prepared from synthetic pitch-derived mesocarbon microbeads[J].Carbon: An International Journal Sponsored by the American Carbon Society,1999(7):1049-1057.
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[5] 卢秀荣,王成扬,范启明.MCMB超细粉末特性及其成型工艺对烧结体性能的影响[J].新型炭材料,2004(02):109-113.
[6] 果世驹.粉末烧结理论[M].北京:冶金工业出版社,1998:112-133.
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