| 基于煤沥青基MCMB的C/Cu复合材料的制备及性能研究 |
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| 引用本文： | 李铁虎,董宪军,冀勇斌,赵廷凯. 基于煤沥青基MCMB的C/Cu复合材料的制备及性能研究[J]. 炭素, 2014, 0(3): 20-22 |
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| 作者姓名： | 李铁虎 董宪军 冀勇斌 赵廷凯 |
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| 作者单位： | 西北工业大学材料学院,西安,710072 |
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| 摘 要： | 以煤沥青基MCMB为前驱体,采用模压烧结的方法制备了C/Cu复合材料,研究了材料组分对C/Cu复合材料性能的影响.结果表明,C/Cu复合材料的电阻率随着Cu纤维含量的增加而减小,摩擦系数随着石墨添加量的增加而减小,当石墨添加量大于15％时摩擦系数趋于稳定.
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| 关 键 词： | 煤沥青 中间相炭微球 C/Cu复合材料 性能 |
Preparation and properties of C/Cu composites from MCMB based on coal tar pitch |
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| LI Tie-hu,DONG Xian-jun,JI Yong-bin,ZHAO Ting-kai. Preparation and properties of C/Cu composites from MCMB based on coal tar pitch[J]. Carbon(China), 2014, 0(3): 20-22 |
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| Authors: | LI Tie-hu DONG Xian-jun JI Yong-bin ZHAO Ting-kai |
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| Affiliation: | (School of Materials Science and Engineering, Northwestern Polytechnical University, Xi＇ an 710072,China) |
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| Abstract: | C/Cu composites were prepared from MCMB based on coal tar pitch and Cu fiber by mould pressing and sintering. The influences of graphite and Cu fiber contents on properties of C/Cu composites were investigated. The results show that the electrical resistivity of C/Cu composites decreases with Cu fiber content increasing. The friction coefficient of C/Cu composites also decreases with graphite content increasing. The friction coefficient of C/Cu composites hardly changes when the graphite content is more than 15%. |
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| Keywords: | coal tar pitch mesocarbon microbeads (MCMB) C/Cu composites properties |
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