纳米Al_2O_3-碳纤维多尺度增强聚酰胺基复合材料的制备及力学性能
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摘要
采用叠层模压法制备了纳米Al_2O_3-碳纤维织物多尺度增强聚酰胺基(nano Al_2O_3-CFF/PA6)复合材料层压板。借助场发射扫描电子显微镜(FESEM)、同步热分析仪(TGA/DSC)和FTIR,研究了模压温度、压力和纳米Al_2O_3加入量等因素对nano Al_2O_3-CFF/PA6复合材料力学性能的影响。研究表明:在模压温度为230℃、模压压力为3 MPa和保压时间为15 min时,CFF/PA6层压板的弯曲强度为250.3 MPa,层间剪切强度为87.6 MPa,平行层厚方向的冲击强度为41.2 MPa,垂直层厚方向为9.6 MPa。当基体中的Al_2O_3含量达到6wt%时,nano Al_2O_3-CFF/PA6层压板的弯曲强度为387.6MPa,层间剪切强度为35.7MPa,平行和垂直层厚方向的冲击强度分别为80.3 MPa和25.6 MPa。
Laminated film compression-molding was used to fabricate nano Al_2O_3-carbon fiber multi-scale reinforced PA6 matrix(nano Al_2O_3-CFF/PA6)composite laminates.The effect of molding temperature,compression pressure and nano Al_2O_3 content on the properties of nano Al_2O_3-CFF/PA6 laminates were investigated by FESEM,thermogravimetric analysis/differential scanning calorimetry simultaneous thermal analyzer(TGA/DSC)and FTIR.The results show that the flexural strength,interlaminar shear strength,and parallel/vertical impact strength of the CFF/PA6 laminates reach 250.3 MPa,87.6 MPa,41.2 MPa and 9.6 MPa while they are fabricated at 230℃,3 MPa holding 15 min.When the content of nano Al_2O_3 in the matrix reaches to 6 wt%,the corresponding mechanical strength of nano Al_2O_3-CFF/PA6 laminated composite are 387.6 MPa,35.7 MPa,80.3 MPa and 25.6 MPa,respectively.
Laminated film compression-molding was used to fabricate nano Al_2O_3-carbon fiber multi-scale reinforced PA6 matrix(nano Al_2O_3-CFF/PA6)composite laminates.The effect of molding temperature,compression pressure and nano Al_2O_3 content on the properties of nano Al_2O_3-CFF/PA6 laminates were investigated by FESEM,thermogravimetric analysis/differential scanning calorimetry simultaneous thermal analyzer(TGA/DSC)and FTIR.The results show that the flexural strength,interlaminar shear strength,and parallel/vertical impact strength of the CFF/PA6 laminates reach 250.3 MPa,87.6 MPa,41.2 MPa and 9.6 MPa while they are fabricated at 230℃,3 MPa holding 15 min.When the content of nano Al_2O_3 in the matrix reaches to 6 wt%,the corresponding mechanical strength of nano Al_2O_3-CFF/PA6 laminated composite are 387.6 MPa,35.7 MPa,80.3 MPa and 25.6 MPa,respectively.
引文
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[2]HANSEN M O L,MSDSEN H A.Review paper on wind turbine aerodynamics[J].Journal of Fluids Engineering,2011,133(11):114001.
[3]FAN Z,GUI L,RUIYI S U,et al.Research and development of automotive lightweight technology[J].Journal of Automotive Safety&Energy,2014,5(1):1-16.
[4]VIEILLE B,TALEB L.About the influence of temperature and matrix ductility on the behavior of carbon woven-ply PPS or epoxy laminates:Notched and unnotched laminates[J].Composites Science&Technology,2011,71(7):998-1007.
[5]邢丽英,包建文,礼嵩明,等.先进树脂基复合材料发展现状和面临的挑战[J].复合材料学报,2016,33(7):1327-1338.XING L Y,BAO J W,LI S M,et al.Development status and facing challenge advanced polymer matrix composites[J].Acta Materiae Compositae Sinica,2016,33(7):1327-1338(in Chinese).
[6]THOMASON J L.The influence of fibre length and concentration on the properties of glass fibre reinforced polypropylene:5.Injection moulded long and short fibre PP[J].Composites Part A:Applied Science&Manufacturing,2002,33(12):1641-1652.
[7]郭书良,段跃新,肇研,等.连续玻璃纤维增强热塑/热固性复合材料力学性能研究[J].玻璃钢/复合材料,2009(5):42-45.GUO S L,DUAN Y X,ZHAO Y,et al.Research on mechanical properties of continuous glass fiber reinforced thermoplastic/thermosetting composite[J].Fiber Reinforced Plastics/Composites,2009(5):42-45(in Chinese).
[8]陈平,陆春,于祺,等.纤维增强热塑性树脂基复合材料界面研究进展[J].材料科学与工艺,2007,15(5):665-669.CHEN P,LU C,YU Q,et al.Advance in study of interface of fiber reinforced thermoplastic composite[J].Materials Science and Technology,2007,15(5):665-669(in Chinese).
[9]徐丽,张幸红,韩杰才.航空航天复合材料无损检测研究现状[J].材料导报,2005,19(8):79-82.XU L,ZHANG X H,HAN J C.Review of NDE of composite materials in aerospace fields[J].Materials Review,2005,19(8):79-82(in Chinese).
[10]张立功,张佐光.先进复合材料中主要缺陷分析[J].玻璃钢/复合材料,2001(2):42-45.ZHANG L G,ZHANG Z G.Analysis of defects in advanced composites[J].Fiber Reinforced Plastics/Composites,2001(2):42-45(in Chinese).
[11]危荃,金翠娥,周建平,等.空气耦合超声技术在航空航天复合材料无损检测中的应用[J].无损检测,2016,38(8):6-11.WEI Q,JIN C E,ZHOU J P,et al.Application of air-coupled ultrasonic technology for nondestructive testing of aerospace composites[J].Materials and Testing,2016,38(8):6-11(in Chinese).
[12]邱求元,邢素丽,肖加余,等.碳纤维增强树脂基复合材料界面优化研究进展[J].材料导报,2006,20(s2):436-439.QIU Q Y,XING S L,XIAO J Y,et al.Research on the interface treatment methods of CFRP[J].Materials Review,2006,20(s2):436-439(in Chinese).
[13]王超.碳纳米管/碳纤维多尺度复合材料界面增强机理研究[D].哈尔滨:哈尔滨工业大学,2013.WANG C.Interfacial enhancement mechanisms of carbon nanotube/carbon fiber multi-scale composites[D].Harbin:Harbin Institute of Technology,2013(in Chinese).
[14]郑林宝,王延相,陈纪强,等.CF-CNTs多尺度增强体的制备及CF-CNTs/环氧树脂复合材料力学性能[J].复合材料学报,2017,34(11):2428-2436.ZHENG L B,WANG Y X,CHEN J Q,at al.Preparation of CF-CNTs multi-scale reinforcement and mechanical properties of CF-CNTs/epoxy composites[J].Acta Materiae Compositae Sinica,2017,34(11):2428-2436(in Chinese).
[15]BEKYAROVRA E,THOSTENSON E,YU A,et al.Multiscale carbon nanotube-carbon fiber reinforcement for advanced epoxy composites[J].Langmuir,2007,23(7):3970-3974.
[16]MEI L,HE X,LI Y,et al.Grafting carbon nanotubes onto carbon fiber by use of dendrimers[J].Materials Letters,2010,64(22):2505-2508.
[17]DEY N K,KIM M J,KIM K D,et al.Adsorption and photocatalytic degradation of methylene blue over TiO2,films on carbon fiber prepared by atomic layer deposition[J].Journal of Molecular Catalysis A:Chemical,2011,337(1-2):33-38.
[18]刘伟.纳米粒子/碳纤维增强聚酰亚胺复合材料制备及性能研究[D].哈尔滨:哈尔滨工业大学,2013.LIU W.Research on the preparation and the properties of nanoparticle/carbon fiber-reinforced polyimide composites[D].Harbin:Harbin Institute of Technology,2013(in Chinese).
[19]赵永华,马兆昆,宋怀河,等.碳纤维/氧化石墨烯多尺度增强体的制备与表征[J].材料研究学报,2016,30(3):229-234.ZHAO Y H,MA Z K,SONG H H,et al.Synthesis and characterization of carbon fibers multi-scale reinforcement with grafted graphene oxide[J].Chinese Journal of Materials Research,2016,30(3):229-234(in Chinese).
[20]姜正飞,朱姝,孙泽玉,等.纺织结构碳纤维增强聚苯硫醚基复合材料的制备与力学性能[J].复合材料学报,2013,30(s1):112-117.JIANG Z F,ZHU S,SUN Z Y,et al.Preparation and mechanical properties of cabron fiber fabric reinforced polyphenylene sulfide composite[J].Acta Materiae Compositae Sinica,2013,30(s1):112-117(in Chinese).
[21]American Society for Testing and Material.Standard test method for flexural properties of polymer matrix composite material:ASTM D7264—07[S].Pennsylvania,United States:ASTM International,2007.
[22]American Society for Testing and Material.Standard test method for short-beam strength of polymer matrix composite materials and their laminates:ASTM D2344—16[S].Pennsylvania,United States:ASTM International,2016.
[23]American Society for Testing and Material.Standard test methods for determining the lzod pendulum impact resistance of plastics:ASTM D256—10[S].Pennsylvania,United States:ASTM International,2010.
[24]张金柱,汪信,陆路德,等.纳米无机粒子对塑料增强增韧的“裂缝与银纹相互转化”机理[J].工程塑料应用,2003,31(1):20-22.ZHANG J Z,WANG X,LU LD,et al.Mutual transfer mechanism of crack and craze of toughening and reforceing of plastics modified by inorganic nanoparticles[J].Engineering Plastics Application,2003,31(1):20-22(in Chinese).