等离子体改性技术在碳纤维/PEK-C复合材料中的应用研究Study on the Application of Plasma Modification to Carbon Fiber/PEK-C Composites
李伟,姚树勇,马克明,陈平,杨浩志,杨森
摘要(Abstract):
利用低温氧等离子体处理技术对碳纤维进行表面改性,采用X射线光电子能谱、原子力显微镜等手段对碳纤维的表面性质进行表征,考察了等离子体功率和处理时间对碳纤维/PEK-C树脂基复合材料的界面黏结性能和力学性能的影响。结果表明,等离子体处理能够增加碳纤维表面的活性含氧基团含量和粗糙度,复合材料的界面黏结性能得到明显改善。在应力作用下,复合材料的破坏模式由未处理的界面脱黏破坏转变为等离子体处理后树脂基体的破坏。碳纤维在200 W的等离子体功率下处理12.5 min时,复合材料的层间剪切强度(ILSS)和弯曲强度分别达到最大值94.12MPa和1316.76 MPa。
关键词(KeyWords): 含酚酞侧基的聚芳醚酮(PEK-C);碳纤维;热塑性复合材料;等离子体改性;界面黏结
基金项目(Foundation): 航空科学基金项目(2011ZF54018);; 沈阳市科技计划项目(F11-264-1-18)
作者(Author): 李伟,姚树勇,马克明,陈平,杨浩志,杨森
参考文献(References):
- [1]Xie J F,Xin D W,Cao H Y,et al.Improving carbon fiber adhesion to polyimide with atmospheric pressure plasma treatment[J].Surf Coat Technol,2011,206(2-3):191-201.
- [2]CHEN Ping(陈平),CHEN Hui(陈辉).Advanced polymer-matrix composite material interface and modification of fiber surface(先进聚合物基复合材料界面及纤维表面改性)[M].Beijing(北京):Science Press(科学出版社),2009.
- [3]YU Dong-xiu(喻冬秀),CHEN Ming-tao(陈明涛),PI Pi-hui(皮丕辉),et al.Preparation and electromagnetic characteristics of polyanaline-coated short carbon fibers(聚苯胺包覆短碳纤维的制备及电磁性能研究)[J].J Chem Eng of Chinese Univ(高校化学工程学报),2009,23(1):148-153.
- [4]LI Jun-yan(李俊燕),CHENG Ping(陈平),MA Ze-min(马泽民),et al.Preparation and characterization of EP/CE/PEK-C semi-IPN(酚酞基聚醚酮/环氧树脂/氰酸酯半互穿聚合物的制备及性能)[J].Polym Mater Sci Eng(高分子材料科学与工程),2009,25(7):141-143.
- [5]Nazakat A,WU Yin(吴寅),ZHANG Qiu-yu(张秋禹),et al.An effective modification of bismaleimide resin with PES/PEK(PES/PEK改性BMI树脂的性能研究)[J].J Northwest Polytech Univ(西北工业大学学报),2012,30(1):149-153.
- [6]Li Y Y,Yi X S,Tang B M.Experimental study on PEK-C modified epoxies and the carbon fiber composites for aerospace application[J].Chinese J Aero,2000,13(4):243-249.
- [7]LI Wei(李伟),GAO Wei-jia(高维佳),CHEN Ping(陈平),et al.Study on winding process and properties of continuous fiber reinforced PEK-C composites(连续纤维增强PEK-C复合材料的缠绕成型工艺及性能研究)[J].J Sol Roc Technol(固体火箭技术),2011,34(2):261-264.
- [8]Tiwari S,Bijwe J,Panier S.Gamma radiation treatment of carbon fabric to improve the fiber-matrix adhesion and tribo-performance of composites[J].Wear,2011,271(9-10):2184-2192.
- [9]Gulyás J,F?ldes E,Lázár A,et al.Electrochemical oxidation of carbon fibres:surface chemistry and adhesion[J].Compos Part A:Appl Sci Manufact,2001,32(3-4):353-360.
- [10]Naganuma T,Naito K,Yang J M.High-temperature vapor deposition polymerization polyimide coating for elimination of surface nano-flaws in high-strength carbon fiber[J].Carbon,2011,49(12):3881-3890.
- [11]Boudou J P,Paredes J I,Cuesta A,et al.Oxygen plasma modification of pitch-based isotropic carbon fibres[J].Carbon,2003,41(1):41-56.
- [12]Ma K M,Chen P,Wang B C,et al.A study of the effect of oxygen plasma treatment on the interfacial properties of carbon fiber/epoxy composites[J].J Appl Polym Sci,2010,118(3):1606-1614.
- [13]Lu C,Chen P,Yu Q,et al.Interfacial adhesion of plasma-treated carbon fiber/poly(phthalazinone ether sulfone ketone)composite[J].J Appl Polym Sci,2007,106(3):1733-1741.
- [14]YU Wei-dong(于伟东),YAO Jiang-wei(姚江薇).The surface treatment and its time effect of carbon fibers(碳纤维的表面处理及其时间效应)[C].//GUO Yu-ming(郭玉明).14th National Conference on Composite Materials(第十四届全国复合材料学术会议论文集).Beijing(北京):China Astronautic Publishing House(中国宇航出版社),2006:151-154.