在预制体炭纤维预石墨化前对其进行硼酸处理,研究硼酸对炭纤维性能,C/C复合材料导热率的影响及其作用机理.结果表明:硼酸通过高温热处理过程所分解的硼对炭纤维起到了有效的催化石墨化作用,显著提高炭纤维的石墨化性能,改善炭纤维的表面状态,从而有效地促进CVI过程中炭纤维表面沉积较高织构热解炭.通过对炭纤维以及热解炭微观炭结构的调整,硼酸的添加可有效地提高C/C复合材料的导热性能.
参考文献
| [1] | HINO T;AKIBA M .Japanese development of fusion reaction plas-ma components[J].Fusion Engineering and Design,2000,49(02):97-105. |
| [2] | L. M. Manocha;A. Warrier;S. Manocha .Thermophysical properties of densified pitch based carbon/carbon materials--I. Unidirectional composites[J].Carbon: An International Journal Sponsored by the American Carbon Society,2006(3):480-487. |
| [3] | 高晓晴,郭全贵,刘朗,宋进仁.高导热炭材料的研究进展[J].功能材料,2006(02):173-177. |
| [4] | 芦时林,Brian Rand.高导热大直径中间相沥青炭纤维的研制及结构表征[J].新型炭材料,2000(01):1-5. |
| [5] | Luo RY;Liu T;Li JS;Zhang HB;Chen ZJ;Tian GL .Thermophysical properties of carbon/carbon composites and physical mechanism of thermal expansion and thermal conductivity[J].Carbon: An International Journal Sponsored by the American Carbon Society,2004(14):2887-2895. |
| [6] | Schmidt DL;Theibert LS;Davidson KE .Unique applications of carbon-carbon composite materials. II[J].SAMPE Journal,1999(4):51-63. |
| [7] | 王海军,王齐华,顾秀娟.碳/碳复合材料抗氧化行为的研究进展[J].材料科学与工程学报,2003(01):117-121. |
| [8] | 杨海瑞,刘晓荣,杨俊和,潘嘉祺.碳纤维催化石墨化的研究概况[J].上海应用技术学院学报（自然科学版）,2007(01):69-74. |
| [9] | J. Y. Howe;L. E. Jones .Influence of boron on structure and oxidation behavior of graphite fiber, P120[J].Carbon: An International Journal Sponsored by the American Carbon Society,2004(3):461-467. |
| [10] | 李东风,王浩静,贺福,王心葵.碳纤维高温热处理技术进展[J].化工进展,2004(08):823-826. |
| [11] | 周蔚虹,张红波,虞露彬.碳纤维毡体添加硼酸高温热处理对C/C复合材料氧化行为的影响[J].矿冶工程,2005(05):66-69. |
| [12] | 陈蔚然.碳素材料工艺基础[M].长沙:湖南大学出版社,1985 |
| [13] | JONES L E;THROWER P A .Influence of boron on carbon fiber microstructure,physical properties,and oxidation behavior[J].CARBON,1991,29(02):251-269. |
| [14] | SUN Wan-chang;LI He-jun;HAN Hong-mei;ZHANG Shou-yang LI Ke-zhi .Microstructure of the pyrocarbon matrix prepared by CLVI process[J].Materials Science and Engineering,2004,369(01):245-249. |
| [15] | TUINTRA F;KOENIG J .Raman spectrum of graphite[J].Journal of Chemical Physics,1970,53(02):1126-1130. |
| [16] | LESZEK N;PAUL W;JAGODZINSKI .Raman spectroscopic characterization of graphites:A reevaluation of spectra/structure correlation[J].Carbon,1993,31(08):1313-1317. |
| [17] | 熊杰,邹志强,汤中华,张红波,熊翔.载气对C/C复合材料CVI热解炭显微结构的影响[J].复合材料学报,2004(06):87-92. |
| [18] | 熊翔,汤中华,张红波,熊杰,浦继强.载气对CVI C/C材料密度和热解炭结构分布的影响[J].中国有色金属学报,2006(03):385-391. |
| [19] | Z.J.Hu;W.G.Zhang;K.J.Huttinger;B.Reznik;D.Gerthsen .Influence of pressure, temperature and surface area/volume ratio on the texture of pyrolytic carbon deposited from methane[J].Carbon: An International Journal Sponsored by the American Carbon Society,2003(4):749-758. |
| [20] | HISHIYAMA Y;INAGAKI M;KIMURA S .Graphitization of carbon fiber/glassy carbon composites[J].Carbon,1974,12:249-258. |
| [21] | SAVAGE G.Carbon carbon composites[M].London:Chapman and Hall Press,1993:309-317. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%