| 碳纤维表面生长纳米碳管及其增强的炭/炭复合材料 |
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| 引用本文： | 赵建国,郭全贵,刘朗,郭向云,郭永,冯锋.碳纤维表面生长纳米碳管及其增强的炭/炭复合材料[J].材料热处理学报,2010,31(10). |
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| 作者姓名： | 赵建国 郭全贵 刘朗 郭向云 郭永 冯锋 |
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| 作者单位： | 山西大同大学炭材料研究所;中国科学院山西煤炭化学研究所炭材料重点实验室; |
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| 基金项目： | 山西省高校优秀青年学术带头人支持计划，煤转化国家重点实验室开放基金，中科院炭材料重点实验室开放基金，山西省高校科技研究开发项目，山西大同大学科研基金 |
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| 摘 要： | 采用化学气相沉积工艺在碳纤维表面生长了纳米碳管,将此种碳纤维作为增强材料,以中间相沥青为基体炭前驱体采用浸渍炭化工艺制备了炭/炭复合材料.观察了所得复合材料断口的微观形貌,测试了抗弯强度及热物理性能.结果表明,碳纤维表面的纳米碳管可以有效地提高纤维与基体的粘结力,复合材料的抗弯性能提高了50%,而对复合材料的导热性能影响较小.
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| 关 键 词： | 纳米碳管 碳纤维 化学气相沉积 炭/炭复合材料 |
Carbon/carbon composites reinforced by carbon nanotubes hybridized carbon fibers |
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| ZHAO Jian-guo,GUO Quan-gui,LIU Lang,GUO Xiang-yun,GUO Yong,FENG Feng.Carbon/carbon composites reinforced by carbon nanotubes hybridized carbon fibers[J].Transactions of Materials and Heat Treatment,2010,31(10). |
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| Authors: | ZHAO Jian-guo GUO Quan-gui LIU Lang GUO Xiang-yun GUO Yong FENG Feng |
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| Affiliation: | ZHAO Jian-guo1,2,GUO Quan-gui2,LIU Lang2,GUO Xiang-yun2,GUO Yong1,FENG Feng1(1.Institute of Carbon Materials Science,Shanxi Datong University,Datong 037009,China,2.Key Laboratory of Carbon Materials,Institute of Coal Chemistry,Chinese Academy of Sciences,Taiyuan 030001,China) |
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| Abstract: | Carbon nanotube(CNT) growth on surface of carbon fibers by chemical vapor deposition was investigated.Carbon /carbon composites reinforced by the CNT hybridized carbon fibers were developed using mesophase pitch as binder and impregnate by hot-pressing process.The microstructure of carbon nanotubes on the surface of carbon fibers and denudation morphology of carbon fiber and matrix was studied by means of scanning electron microscopy.The effects of carbon nanotubes on bending strength and thermal diffusivit... |
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| Keywords: | carbon nanotubes carbon fiber chemical vapor deposition carbon /carbon composites |
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