采用阳极氧化法对炭纤维进行连续表面改性,并在其表面进行电镀镍处理,利用扫描电子显微镜(SEM)、X射线衍射(XRD)、热重分析和酸碱滴定等方法研究了炭纤维阳极氧化前后的物理化学结构及对炭纤维电镀镍镀层的影响.结果表明:经过阳极氧化处理后,炭纤维表面的总酸性官能团提高约10倍;炭纤维拉伸强度降低先慢后快;阳极氧化可以改善镀层的生长过程,使镍镀层的生长由(V-W)模式转变为(F-M)模式,并且促使镀层晶粒细晶化,Ni晶粒尺寸由14.5 nm降为11.2 nm,提高了镀镍炭纤维的抗氧化性以及镀层与炭纤维的结合力,阳极氧化后镀镍的炭纤维初始氧化温度较镀镍炭纤维提高了50 ℃.
参考文献
[1] | 贺福.碳纤维及其应用技术[M].北京:化学工业出版社,2004 |
[2] | 赵稼祥,王曼霞.复合材料用高性能炭纤维的发展和应用[J].新型炭材料,2000(01):68-75. |
[3] | Huang CY.;Wu CC. .The EMI shielding effectiveness of PC/ABS/nickel-coated-carbon-fibre composites[J].European Polymer Journal,2000(12):2729-2737. |
[4] | Mark Russell-Stevens;Richard Todd;Maria Papakyriacou .The effect of thermal cycling on the properties of a carbon fibre reinforced magnesium composite[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2005(1/2):249-256. |
[5] | R. Schaller .Metal matrix composites, a smart choice for high damping materials[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2003(1/2):131-135. |
[6] | 田丰,黄永秋,潘鼎.炭纤维电镀镍工艺的研究[J].炭素,2002(01):16-20. |
[7] | Yue ZR;Wang L;Gardner SD;Pittman CU;Jiang W .Surface characterization of electrochemically oxidized carbon fibers[J].Carbon: An International Journal Sponsored by the American Carbon Society,1999(11):1785-1796. |
[8] | Boehm H P .Some aspects of the surface chemistry of carbon blacks and other carbons[J].Carbon,1994,32(05):759-769. |
[9] | Boehm H P;Diehl E;Heck W et al.Surface oxides of carbon[J].Angewandte Chemie International Edition in English,1964,3(17):669-678. |
[10] | 武学高.塑料电镀技术[M].成都:四川科学技术出版社,1983 |
[11] | Papirer E;Guyon E .Contribution to the study of the surface groups on carbons-I[J].Carbon,1978,16(04):127-133. |
[12] | 刘鸿鹏,吕春祥,李永红,杨禹,李开喜,贺福.电化学表面处理PAN基炭纤维的表面性能研究[J].新型炭材料,2005(01):39-44. |
[13] | 贺福.碳纤维及石墨纤维[M].北京:化学工业出版社,2010 |
[14] | 侯永平,王浩静,李东风.PAN基高模碳纤维阳极氧化的表面处理[J].化工进展,2007(04):558-562. |
[15] | Tohru Watanabe.Nano-plating:Microstructure Control Theory of Plated Film and Data Base of Plated Film Microstructure[M].北京:化学工业出版社,2006 |
[16] | Hackl G;Gerhard H;Popovska N .Coating of carbon short fibers with thin ceramic layers by chemical vapor deposition[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2006(1/2):217-222. |
[17] | 耿树江,朱圣龙,王福会.纯Ni及其溅射纳米晶的高温氧化行为[J].中国腐蚀与防护学报,2003(06):335-339. |
[18] | Dubois C;Monty C;Philibert J .Oxygen self-diffusion in NiO single crystals[J].Philosophical Magazine,1982,A46:419-424. |
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%