| 炭纤维增强轻质矿粉混凝土的热电行为 |
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| 引用本文： | Bahar Demirel Salih Yazicioglu. 炭纤维增强轻质矿粉混凝土的热电行为[J]. 新型炭材料, 2008, 23(1): 21-24 |
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| 作者姓名： | Bahar Demirel Salih Yazicioglu |
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| 作者单位： | Technical Education Faculty Construction Department, Firat University, Elazig 23119, TURKEY |
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| 基金项目： | Acknowledgements The authors would like to thank Assoc. Prof. Fahrettin Yakuphanoglu （Department of Physics, Faculty of Arts and Sciences, Firat University, Elazig, TURKEY） for his guidance in preparation of this article. |
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| 摘 要： | 炭纤维增强混凝土能用来感知温度,其因在于短炭纤维的P-型传导性引起的塞贝克(Seebeck)效应所致.通过测量添加炭纤维或矿质掺和物(飞灰、硅土粉)前后六种波特兰水泥基混凝土的热电功率,研究了炭纤维增强轻质混凝土热敏的能力及其矿质掺合物对Seebeck效应的影响.结果表明: 炭纤维增强轻质混凝土具有类似于炭纤维增强标准混凝土的Seebeck效应,只是Seebeck系数因掺合了矿粉而减低.掺有矿粉的炭纤维增强轻质混凝土可用作建筑物的热传感器.
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| 关 键 词： | 炭纤维 轻质混凝土 Seebeck效应 飞灰 硅土粉 |
| 文章编号： | 1007-8827（2008）01-0021-04 |
| 收稿时间： | 2007-10-30 |
| 修稿时间： | 2008-02-28 |
Thermoelectric behavior of carbon fiber reinforced lightweight concrete with mineral admixtures |
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| Bahar Demirel,Salih Yazicioglu. Thermoelectric behavior of carbon fiber reinforced lightweight concrete with mineral admixtures[J]. New Carbon Materials, 2008, 23(1): 21-24 |
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| Authors: | Bahar Demirel Salih Yazicioglu |
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| Abstract: | Carbon fiber reinforced concrete can be used to sense temperature owing to the Seebeck effect caused by the p-type conductivity of short carbon fibers. Both the temperature sensing ability of the carbon fiber reinforced lightweight concrete and the influence of mineral admixtures on the Seebeck effect were investigated by measuring the thermo electric power of six Portland cement-based concretes with or without carbon fibers or mineral admixtures (fly ash, silica fume). It was found that the carbon fiber reinforced lightweight concretes had a Seebeck effect similar to the carbon fiber reinforced normal concrete, but their Seebeck coefficients were decreased by mineral admixtures. Carbon fiber reinforced lightweight concrete with mineral admixtures can be used as a thermal sensor in buildings. |
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| Keywords: | Carbon fibers Lightweight concrete Seebeck effect Silica fume Fly ash |
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