采用拉-挤成型法制备单向连续碳纤维/玻璃纤维(混杂体积比1∶1)层内混杂复合材料,研究了混杂方式对复合材料力学性能及破坏机制的影响。结果表明,不同层内混杂复合材料受混杂结构的影响表现出不同的拉伸强度,但拉伸模量几乎不受混杂结构的影响;层内混杂复合材料的在层间剪切强度方面呈现正向混杂效应,其剪切破坏是树脂、界面破坏和纤维断裂的综合作用造成的,属于多级破坏。
In order to study the effect of interlayer hybrid type of unidirectional fiber on the mechanical properties and failure form of composites,the method of pultrusion process was adopted to prepare continuous unidirectional hybrid fiber reinforced epoxy composites with different interlayer hybrid structure.The volume ratio of carbon fiber and glass fiber was fixed as 1∶1 in the composites.The results shown that the tensile strength of hybrid composites varied with the hybrid structure,but the tensile modulus was almost independent of the hybrid structure.The interlaminar shear strength of hybrid composites in different layers shown a positive hybrid effect.The shear failure of hybrid composites was an integrated action of interface,resin and fiber,and belongs to multistage failure.
[1] Czél G,Jalalvand M,Wisnom M R.Demonstration of pseudo-ductility in unidirectional hybrid composites made of discontinuous carbon/epoxy and continuous glass/epoxy plies[J].Composites Part A,2015,72:75-84.
[2] Dong C S,Davies I J.Flexural strength of bidirectional hybrid epoxy composites reinforced by E-glass and T700S carbon fibres[J].Composites Part B,2015,72:65-71.
[3] Swolfs Y,Gorbatikh L,Verpoest I.Fibrehybridisation in polymer composites:a review[J].Composites Part A,2014,67:181-200.
[4] Hine P J,Bonner M,Ward I M,et al.Hybrid carbon fibre/nylon 12 single polymer composites[J].Composites Part A,2014,65:19-26.
[5] Wu G P,Li D H,Yang Y,et al.Microvoid evolution in carbon fibers during graphitizationfor the preparation of carbon/carbon composites[J].New Carbon Materials,2014,29:41-46.
[6] 徐欢欢,古兴瑾,李晨.混杂纤维复合材料的拉伸刚度[J].复合材料学报,2016,33(2):394-398.
[7] 徐珍珍,汪浩,杨莉,等.混杂复合方式对聚丙烯复合材料性能的影响[J].中国塑料,2018,32(3):27-28.
[8] 马腾,李炜.单向碳/玻璃纤维层内-层间混杂复合材料拉伸破坏模式研究[J].玻璃钢/复合材料,2015(12):87-93.
[9] Chikhradze N M,Marquis F D S,Abashidze G S.Hybrid fiber and nanopowder reinforced composites for wind turbine blades[J].Journal of Materials Research and Technology,2015,4:60-67.
[10] Lifshitz M J,Rotem A.Longitudinal tensile failure ofunidirectional fibrous composites[J].Journal of Materials Science,1972,7:861-869.
[11] Swolfs Y,Mcmeeking R M,Verpoest I.Matrix cracks around fibre breaks and their effect on stress redistribution and failure development in unidirectional composites[J].Composites Science and Technology,2015,108:16-22.
[12] Swolfs Y,Mcmeeking R M,Verpoest I,et al.The effect of fibre dispersion on initial failure strain and cluster development in unidirectional carbon/glass hybrid composites[J].Composites Part A,2015,69:279-287.
[13] Wang Q,Wu W,Li W.Compression Properties of Interlayer and Intralayer carbon/glass hybrid composites[J].Polymers,2018,10(4),343.
[14] 何小兵,曹勇,严波,et al.GFRP/CFRP层间混杂纤维复合材料极限拉伸性能[J].重庆交通大学学报(自然科学版),2013,32(6):1153-1156.
[15] Wang T T,Song B,Qiao K,et al.Influence of the hybrid ratio and stacking sequence on mechanical and damping properties of hybrid composites[J].Polymer Composites,2018,40(6):2368-2380.
[16] Aslan M,Tufan M,Küçükömeroğluc T.Tribological and mechanical performance of sisal-filled waste carbon and glass fibre hybrid composites[J].Composites Part B,2018,140:241-249.
[17] Goh G D,Nagalingam A P,Goh G L,et al.Characterization of mechanical properties and fracture mode of additively manufactured carbon fiber and glass fiber reinforced thermoplastics[J].Materials and Design,2018,137:79-89.
[18] Bhagwat P M,Ramachandran M,Raichurkar P.Mechanical properties of hybrid glass/carbon fiber reinforced epoxy composites[J].Materialstoday:Proceedings,2017,4:7375-7380.
[19] Hung P Y,Lau K T,Cheng L K,et al.Impact response of hybrid carbon/glass fibre reinforced polymer composites designed for engineering applications[J].Composites Part B,2018,133:86-90.
[20] Pathak A K,Borah M,Gupta A,et al.Improved mechanical properties of carbon fiber/graphene oxide-epoxy hybrid composites[J].Composites Science and Technology,2016,135:28-38.
[21] Xin H H,Liu Y Q,Mosallam A S,et al.Evaluation on material behaviors of pultruded glass fiber reinforced polymer (GFRP) laminates[J].Composite Structure,2017,182:283-300.
[22] Dickson A N,Barry J N,McDonnell K A,et al.Fabrication of continuous carbon,glass and Kevlar fibre reinforced polymer composites using additive manufacturing[J].Additive Manufacturing,2017,16:146-152.
