研究了碳纳米管-碳纤维/水泥基材料的微观结构以及碳纳米管-碳纤维/水泥基材料升温与降温过程中的热电性能.实验结果表明,当水泥基材料中碳纳米管掺量较低时(碳纳米管掺量占水泥质量百分比不高于0.5％),碳纳米管能有效改善水泥基体性能,密实基体结构.在碳纤维水泥基材料中掺入碳纳米管能有效提高和改善复合材料热电性能;当碳纳米管掺量为水泥质量0.5％,水泥基材料热电势率最多能提高260％,达到22.6μV/℃.与此同时,碳纳米管掺入能增强热电效应中温差电动势与温差关系的线性规律和可逆性规律.
参考文献
| [1] | 郑立霞,李卓球,宋显辉,朱四荣.连续碳纤维增强水泥基复合材料的传感特性研究[J].功能材料,2010(12):2117-2119,2123. |
| [2] | D.D. L. Chung .Cement reinforced with short carbon fibers: a multifunctional material[J].Composites. B, Engineering,2000(6/7):511-526. |
| [3] | 姚武,徐晶.碳纤维水泥基材料电阻的非线性研究[J].功能材料,2006(04):632-634. |
| [4] | Sun Mingqing;Li Zhuoqiu;Mao Qizhao et al.Study on the hole conduction phenomenon in carbon fiber-reinforced concrete[J].Cement and Concrete Research,1998,28(04):549-554. |
| [5] | Wen Sihai;Chung D D L .Enhancing the Seebeck effect in carbon fiber-reinforced cement by using intercalated carbon fibers[J].Cement and Concrete Research,2000,30:1295-1298. |
| [6] | Wen S.;Chung D.D.L. .Seebeck effect in carbon fiber-reinforced cement[J].Cement and Concrete Research,1999(12):1989-1993. |
| [7] | Iijima S .Helical microtubules of graphitic carbon[J].Nature,1991,354:56. |
| [8] | Ajayan P.M. .Nanotubes from Carbon[J].Chemical Reviews,1999(6):1787-1799. |
| [9] | Rao A M;Eklund P C;Bandow S et al.Evidence for charge transfer in doped carbon nanotube bundles from Raman scattering[J].Nature,1997,388:257-259. |
| [10] | 叶芸,肖晓晶,郭太良,黎威志,蒋亚东.碳纳米管表面化学镀银及场发射性能研究[J].功能材料,2012(09):1221-1224. |
| [11] | 韦建卫,蒲利春,胡南,胡慧芳,曾晖,梁君武.硼氮共掺杂单壁碳纳米管电子特性研究[J].重庆理工大学学报：自然科学,2011(09):94-99. |
| [12] | Junqing Zuo;Wu Yao;Xiaoyan Liu .Sensing Properties of Carbon Nanotube-Carbon Fiber/Cement Nanocomposites[J].Journal of Testing and Evaluation: A Multidisciplinary Forum for Applied Sciences and Engineering,2012(5):838-843. |
| [13] | Zuo Junqing;Yao Wu;Qin Junjie et al.Measurements of thermoelectric behavior and microstructure of carbon nanotubes/carbon fiber-cement based composite[J].Key Engineering Materials,2012,492:242-245. |
| [14] | Sun Mingqing;Li Zhuoqiu;Mao Qizhao et al.Thermoelectric percolation phenomenan in carbon fiber-reinforced concrete[J].Cement and Concrete Research,1998,28(12):1707-1712. |
| [15] | 陈兵,姚武,吴科如.掺碳纤维和微细钢纤维水泥砂浆热电性能研究[J].建筑材料学报,2004(03):261-268. |
| [16] | Robson D;Assabghy F;Ingram D J E .Some electronic properties of polyacrylonitrile-based carbon fibres[J].Journal of Physics D:Applied Physics,1972,5:169. |
| [17] | Small JP.;Perez KM.;Kim P. .Modulation of thermoelectric power of individual carbon nanotubes - art. no. 256801[J].Physical review letters,2003(25):6801-0. |
| [18] | Tian ML.;Chen L.;Mao ZQ.;Zhang YH.;Li FQ. .Thermoelectric power behavior in carbon nanotubule bundles from 4.2 to 300 K[J].Physical Review.B.Condensed Matter,1998(3):1166-1168. |
| [19] | Kim P.;Majumdar A.;McEuen PL.;Shi L. .Thermal transport measurements of individual multiwalled nanotubes - art. no. 215502[J].Physical review letters,2001(21):5502-0. |
| [20] | Dresselhaus M S;Dresselhaus G;Sun X et al.Low-dimensional thermoelectric materials[J].Physics of the Solid State,1999,41:679-682. |
| [21] | M. S. Dresselhaus;G. Chen;M. Y. Tang;R. G. Yang;H. Lee;D. Z. Wang;Z. F. Ren;J.-P. Fleurial;P. Gogna .New Directions for Low-Dimensional Thermoelectric Materials[J].Advanced Materials,2007(8):1043-1053. |
| [22] | Majumdar A .Thermoelectricity in semiconductor nanostructures[J].Science,2004,303:777-778. |
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