全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

C/C复合材料液相浸渍制备工艺及其力学性能模拟

, PP. 159-166

Keywords: C/C复合材料,液相制备工艺,均匀化方法,有效弹性模量,Micro-CT

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对酚醛先驱体C/C复合材料液相浸渍制备工艺各组分相的化学转化特性,基于Arrhenius方程建立了C/C复合材料液相浸渍制备工艺力学模型,详细分析了固化-炭化和石墨化两个重要的工艺阶段各组分相的体积变化规律,得到的气孔体积分数与Micro-CT系统扫描处理的细编穿刺C/C复合材料微结构图像中气孔体积分数相吻合,并结合均匀化方法对制备过程材料基体有效弹性模量进行了预测。结果表明:材料基体的有效弹性模量随着致密化次数的增加而增大,在每一次致密化过程中材料基体的有效弹性模量先增大后减小,石墨化工艺过程中材料基体的有效弹性模量达到某一值后保持平稳。

References

[1]  罗瑞盈. 碳/碳复合材料制备工艺及研究现状 [J]. 兵器材料科学与工程, 1998, 21(1): 64-69. Luo Ruiying. Present study situation and technology of preparation for carbon/carbon composites [J]. Ordnace Material Science and Engineering, 1998, 21(1): 64-69.
[2]  艾艳玲, 李铁虎. 快速致密化制备C/C复合材料的新发展 [J]. 材料导报, 2005, 19(7): 90-96. Ai Yanling, Li Tiehu. Summary of rapid densification techniques for fabrieation of carbon/carbon composites [J]. Materials Review, 2005, 19(7): 90-96.
[3]  姜开宇, 李贺军, 李克智. 2D 炭/炭复合材料CVI过程的数值模拟研究 [J]. 宇航学报, 1999, 20(4): 104-107. Jiang Kaiyu, Li Hejun, Li Kezhi. Numerical simulation of chemical vapor infiltration for 2D C/C composites [J]. Journal of Astronautics, 1999, 20(4): 104-107.
[4]  Jiang K Y, Li H J, Wang M J. The numerical simulation of thermal-gradient CVI process on positive pressure condition [J]. Mater Lett, 2002, 54: 419-423.
[5]  姜开宇, 李贺军, 侯向辉, 李克智. 轴对称C/C复合材料等温CVI过程的数值模拟研究 [J]. 西北工业大学学报, 2000, 18(4): 665-668. Jiang Kaiyu, Li Hejun, Hou Xianghui, Li Kezhi. Numerical simulation of isothermal chemical vapor infiltration for axial symmetrical C/C composites [J]. Journal of Northwestern Polytechnical University, 2000, 18(4): 665-668.
[6]  Moene R, Dekker J P, Makkee M, et al. Evalution of isothermal chemical vapor infiltration with Langmuir-hinshelwood type kinetics [J]. J Electrochem Soc, 1994, 141(1): 282-290.
[7]  Kim J, Lee W I. A study on the modeling of carbon/carbon composite pyrolysis process[J]. J Korean Soc Composite Mater, 1998, 11(1): 47-54.
[8]  Kim J, Lee W I, Khalid Lafdi. Numerical modeling of the carbonization process manufacture of carbon/carbon composites [J]. Carbon, 2003, 41: 2625-2634.
[9]  Dimitrienko Y I. Modeling of carbon/carbon composite manufacturing process[J]. Composites Part A: Applied Science and Manufacturing, 1999, 30: 221-230.
[10]  Dimitrienko Y I. Thermal stresses and heat-mass-transfer in ablating composite materials [J]. Int J Heat Mass Transfer, 1995, 38(1): 139-146.
[11]  Димитриенко Ю И. Механика композиционных материалов при высоких температурах[M]. Москва: Машиностроение, 1998: 96-108.
[12]  Liang J, Yang W, Wang B L, Du S Y. Modeling of manufacturing processes of carbon matrices composites and prediction of mechanical properties of materials during the process //Kim J K, Wo D Z, Zhou L M. Advances in Composite Materials and Structures. Switzerland: Trans Tech Publications, 2007: 29-32.
[13]  唐绍锋, 梁 军, 杜善义. 含界面相的单向纤维增强复合材料三维应力场的二重双尺度方法 [J]. 复合材料学报, 2010, 27(1): 167-172. Tang Shaofeng, Liang Jun, Du Shanyi. Dual two-scale method for 3D stress computation of unidirectional-fibre reinforced composites considering interphase [J]. Acta Materiae Compositae Sinica, 2010, 27(1): 167-172.
[14]  Craig W O, Wallace L V, Philip O R, Hwa-Tsu T. Thermal conductivity database of various structural carbon-carbon composite materials, NASA Technical Memorandum 4787 . Virginia: Langley Research Center·Hampton, 1997.
[15]  付东升, 张康助, 孙福林, 姚冬梅. 碳/碳复合材料的基体前驱体研究进展 [J]. 化工新型材料, 2003, 31(6): 19-22. Fu Dongsheng, Zhang Kangzhu, Sun Fulin, Yao Dongmei. Research progress in matrix precursors for carbon/carbon composites [J]. New Chemical Materials, 2003, 31(6): 19-22.
[16]  梁 军, 易法军. 防热材料高温烧蚀——相变特性的细观研究 [J]. 复合材料学报, 2002, 19(2): 108-112. Liang Jun, Yi Fajun. On ablation and phase—Transformation properties of thermal protective materials at high temperature by micromechanics [J]. Acta Materiae Compositae Sinica, 2002, 19(2): 108-112.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133