| 碳纳米管模板法制备碳化钨纳米棒的可行性研究 |
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| 引用本文： | 张立,Schubert W.D,黄伯云. 碳纳米管模板法制备碳化钨纳米棒的可行性研究[J]. 硬质合金, 2003, 20(4): 193-196 |
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| 作者姓名： | 张立 Schubert W.D 黄伯云 |
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| 作者单位： | 1. 中南大学粉末冶金国家重点实验室,湖南,长沙,410083
2. Institute of Chemical Technologies and Analytics,Vienna University of Technology,Getreidemarkt 9/164-CT,A-1060 Vienna,Austria |
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| 摘 要： | 采用碳纳米纤维管,WO3和I2为原料对碳纳米管模板法制备碳化钨纳米棒的可行性进行了研究,并对其制备原理进行了分析,提出了因碳纳米管产生的隧道效应,挥发性钨源被不断吸入纳米管内并与管壁发生碳化反应生成碳化钨棒的反应模型;在实验结果的基础上,进一步提出了纳米棒强化的新概念硬质合金的制备新方案。
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| 关 键 词： | 碳纳米纤维 碳化钨纳米棒 纳米棒强化的硬质合金 |
On the Preparation of Tungsten Carbide Nanorods by Carbon Nanotube Template-medlated Growth |
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| Schubert W.D. On the Preparation of Tungsten Carbide Nanorods by Carbon Nanotube Template-medlated Growth[J]. Cemented Carbide, 2003, 20(4): 193-196 |
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| Authors: | Schubert W.D |
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| Abstract: | Using carbon nanofibers with open ends, WO3 and I2 as starting materials, the experiment of preparing tungsten carbide nanorods is carried out and the principle of carbon nanotube template-mediated growth is analyzed. It is pointed out that it is because of the tunnel effect of nanotube that volatile tungsten source is drawn into the tube continuously and then reacts with the wall of carbon nanotube, as a result, tungsten carbide nanorods can be formed. Based on the experiment result, how to prepare nanorods strengthened new concept cemented carbide is discussed. |
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| Keywords: | carbon nanofibers tungsten nanorods nanorods strengthened cemented carbide |
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