基于湿法造纸工艺制备碳纤维增强热塑性树脂复合材料的研究
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摘要
本课题提出了一种基于湿法造纸工艺的碳纤维增强热塑性复合材料(CFRTP)的制备方法,实验探究了碳纤维模量、长度、含量和模压工艺对CFRTP力学性能的影响。结果表明,利用湿法造纸工艺制备CFRTP是可行的,碳纤维含量是影响CFRTP力学性能和空隙率的主要因素;当碳纤维含量为30%时,制备的CFRTP性能最好,其拉伸强度为110.07 MPa,弯曲强度为208.59 MPa,缺口冲击韧性42.89 k J/m~2,材料空隙率最低。该方法具有工艺简单、成本低、利于碳纤维回收等特点。
Carbon fiber reinforced plastic( CFRP) is a light weight,high strength,high performance composite. The fabrication of CFRP with low cost can greatly boost the development of new energy vehicles and other products. In this paper,preparation of carbon fiber reinforced thermoplastic( CFRTP) based on papermaking process( wet process) was proposed. The method had the advantages of simple process,low cost and easy recovery of carbon fiber. The paper discussed the influence of modulus,length and usage of carbon fiber as well as molding process on the mechanical properties of the materials. The experimental results showed that the preparation of CFRTP by wet process was feasible. When the carbon fiber content was 30%,the tensile strength,bending strength,notched impact toughness of the materials were 110. 07 MPa,208. 59 MPa and 42. 89 k J/m~2,respectively. And the porosity of the material was the lowest and the mechanical properties were the best.
Carbon fiber reinforced plastic( CFRP) is a light weight,high strength,high performance composite. The fabrication of CFRP with low cost can greatly boost the development of new energy vehicles and other products. In this paper,preparation of carbon fiber reinforced thermoplastic( CFRTP) based on papermaking process( wet process) was proposed. The method had the advantages of simple process,low cost and easy recovery of carbon fiber. The paper discussed the influence of modulus,length and usage of carbon fiber as well as molding process on the mechanical properties of the materials. The experimental results showed that the preparation of CFRTP by wet process was feasible. When the carbon fiber content was 30%,the tensile strength,bending strength,notched impact toughness of the materials were 110. 07 MPa,208. 59 MPa and 42. 89 k J/m~2,respectively. And the porosity of the material was the lowest and the mechanical properties were the best.
引文
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[10]XU Yue,LIU Wen,LIU Qun-hua.Research Progress of Carbon Fiber Paper for PEMFC[J].China Pulp&Paper,2009,28(9):68.许跃,刘文,刘群华.质子交换膜燃料电池用碳纤维纸的研究进展[J].中国造纸,2009,28(9):68.
[11]HU Zhi-jun,WAN Jia-le,ZHANG Xue-jin,et al.Study on the Effect of Strength Additives on the Performance of Carbon Paper[J].China Pulp&Paper,2015,34(2):5.胡志军,万家乐,张学金,等.增强剂对碳纤维纸性能影响的研究[J].中国造纸,2015,34(2):5.
[12]LIANG Yun,SUN Li-zhi,HU Jian.Effect of Resin Molded Curing Process on the Performance of Carbon Fiber Paper[J].China Pulp&Paper,2010,29(12):19.梁云,孙励志,胡健.树脂模压固化工艺对碳纤维纸性能的影响[J].中国造纸,2010,29(12):19.
[13]Jiang Haipeng.The dispersion and its evaluation of fiber in the thermoplastic composite by wet process[D].Shanghai:East China University of Science and Technology,2012.蒋海鹏.热塑性复合材料湿法浸渍过程中纤维的分散及其评价[D].上海:华东理工大学,2012.
[2]Okayasu M,Yamazaki T,Ota K,et al.Mechanical properties and failure characteristics of a recycled CFRP under tensile and cyclic loading[J].International Journal of Fatigue,2013,55(5):257.
[3]Yin X Y,Zhu B,Liu H Z,et al.Advance of the Research in Carbon Fiber Reinforced Thermoplastic Resin Matrix Composite[J].Hi-Tech Fiber&Application,2011,36(6):42.尹翔宇,朱波,刘洪正,等.碳纤维增强热塑性树脂基复合材料的研究现状[J].高科技纤维与应用,2011,36(6):42.
[4]Rao Jun,Liang Zhiyong,Zhang Zuoguang.The prepreg technology and processing of thermoplastic material[C]//Annual Conference of FRP/Composites.Chengdu:1995.饶军,梁志勇,张佐光.热塑性复合材料预浸和成型工艺[C]//玻璃钢/复合材料学术年会.成都:1995.
[5]Lv Chiyan.Foreign GMT development trend:Part 1[J].Glass Fiber,1997(2):28.吕赤炎.国外GMT的发展动向(上)[J].玻璃纤维,1997(2):28.
[6]Bigg D M,Hiscock D F,Preston J R,et al.The properties of wetformed thermoplastic sheet composites[J].Polymer Composites,1993,14(1):26.
[7]Hiscock D F,Bigg D M.Long-fiber-reinforced thermoplastic matrix composites by slurry deposition[J].Polymer Composites,1989,10(10):145.
[8]Caba A C,Romesh,Batra C,et al.Characterization of Carbon Mat Thermoplastic Composites:Flow and Mechanical Properties[J].Journal of Cell Biology,2005,138(5):1139.
[9]Kimura T,Ino H,Nishida Y,et al.Compression Molding of CFRTP Used with Carbon Fiber Extracted from CFRP Waste[J].Seikei-Kakou,2010,22(3):153.
[10]XU Yue,LIU Wen,LIU Qun-hua.Research Progress of Carbon Fiber Paper for PEMFC[J].China Pulp&Paper,2009,28(9):68.许跃,刘文,刘群华.质子交换膜燃料电池用碳纤维纸的研究进展[J].中国造纸,2009,28(9):68.
[11]HU Zhi-jun,WAN Jia-le,ZHANG Xue-jin,et al.Study on the Effect of Strength Additives on the Performance of Carbon Paper[J].China Pulp&Paper,2015,34(2):5.胡志军,万家乐,张学金,等.增强剂对碳纤维纸性能影响的研究[J].中国造纸,2015,34(2):5.
[12]LIANG Yun,SUN Li-zhi,HU Jian.Effect of Resin Molded Curing Process on the Performance of Carbon Fiber Paper[J].China Pulp&Paper,2010,29(12):19.梁云,孙励志,胡健.树脂模压固化工艺对碳纤维纸性能的影响[J].中国造纸,2010,29(12):19.
[13]Jiang Haipeng.The dispersion and its evaluation of fiber in the thermoplastic composite by wet process[D].Shanghai:East China University of Science and Technology,2012.蒋海鹏.热塑性复合材料湿法浸渍过程中纤维的分散及其评价[D].上海:华东理工大学,2012.