分别以中间相沥青和甲苯作碳质前驱体和发泡剂,采用超临界发泡技术制备出孔径为10～25 μm的泡沫炭,并着重研究了超临界发泡条件对泡沫炭的孔形及韧带结构的影响.超临界发泡包括成核、扩散、聚集及膨胀过程,同时泡孔的形成也是热力学、动力学及力学行为综合作用的结果.由于中间相沥青中存在轻组分,超临界发泡过程伴随着自发泡过程,由此可获得层次孔结构的泡沫炭.
参考文献
| [1] | Mei-xian Wang;Cheng-Yang Wang;Tong-Qi Li .Preparation of mesophase-pitch-based carbon foams at low pressures[J].Carbon: An International Journal Sponsored by the American Carbon Society,2008(1):84-91. |
| [2] | K.Lafdi;O.Mesalhy;A.Elgafy .Graphite foams infiltrated with phase change materials as alternative materials for space and terrestrial thermal energy storage applications[J].Carbon: An International Journal Sponsored by the American Carbon Society,2008(1):159-168. |
| [3] | Nidia C.Gallego;Timothy D.Burchell;James W.Klett .Irradiation effects on graphite foam[J].Carbon: An International Journal Sponsored by the American Carbon Society,2006(4):618-628. |
| [4] | Sizhong Li;Yongzhong Song;Yan Song .Carbon foams with high compressive strength derived from mixtures of mesocarbon microbeads and mesophase pitch[J].Carbon: An International Journal Sponsored by the American Carbon Society,2007(10):2092-2097. |
| [5] | R.V.R.A. Rios;M. Martinez-Escandell;M. Molina-Sabio .Carbon foam prepared by pyrolysis of olive stones under steam[J].Carbon: An International Journal Sponsored by the American Carbon Society,2006(8):1448-1454. |
| [6] | Mingxian Liu;Lihua Gan;Fengqi Zhao .Carbon foams prepared by an oil-in-water emulsion method[J].Carbon: An International Journal Sponsored by the American Carbon Society,2007(13):2710-2712. |
| [7] | Thomas Beechem;Khalid Lafdi;Ahmed Elgafy .Bubble growth mechanism in carbon foams[J].Carbon: An International Journal Sponsored by the American Carbon Society,2005(5):1055-1064. |
| [8] | 王小军,杨俊和,詹亮,乔文明,张睿,梁晓怿,凌立成.中间相沥青基泡沫炭的制备、结构及性能[J].材料科学与工程学报,2008(03):390-394. |
| [9] | Sangwook Sihn;Ajit K. Roy .Modeling and prediction of bulk properties of open-cell carbon foam[J].Journal of the Mechanics and Physics of Solids,2004(1):167-191. |
| [10] | Sizhong Li;Quangui Guo;Yan Song .Carbon foams with high compressive strength derived from mesophase pitch treated by toluene extraction[J].Carbon: An International Journal Sponsored by the American Carbon Society,2007(14):2843-2845. |
| [11] | 李同起,王成扬.中间相沥青基泡沫炭的制备与结构表征[J].无机材料学报,2005(06):1438-1444. |
| [12] | Ge Min;Shen Zengmin;Chi Weidong .Anisotropy of mesophase pitch-derived carbon foams[J].Carbon: An International Journal Sponsored by the American Carbon Society,2007(1):141-145. |
| [13] | 刘皓,李克智,李贺军,卢锦花,翟言强.微观结构对中间相沥青基炭/炭复合材料力学性能的影响[J].无机材料学报,2007(05):968-972. |
| [14] | Dumont M;Dourges MA;Bourrat X;Pailler R;Naslain R;Babot O;Birot M;Pillot JP .Carbonization behaviour of modified synthetic mesophase pitches[J].Carbon: An International Journal Sponsored by the American Carbon Society,2005(11):2277-2284. |
| [15] | Thomas Beechem;Khalid Lafdi .Novel high strength graphitic foams[J].Carbon: An International Journal Sponsored by the American Carbon Society,2006(8):1548-1559. |
| [16] | Chong Chen;Elliot B. Kennel;Alfred H. Stiller .Carbon foam derived from various precursors[J].Carbon: An International Journal Sponsored by the American Carbon Society,2006(8):1535-1543. |
| [17] | 李娟,王灿,詹亮,张睿,乔文明,凌立成.预氧化对中间相沥青泡沫炭结构和性能的影响机制研究[J].无机材料学报,2009(02):315-319. |
| [18] | Juan Li;Can Wang;Liang Zhan .Carbon foams prepared by supercritical foaming method[J].Carbon: An International Journal Sponsored by the American Carbon Society,2009(4):1204-1206. |
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%