三种纬编针织增强体复合材料的力学性能
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摘要
为探讨不同组织结构的纬编针织复合材料的力学性能,以芳纶和UHMWPE纤维为原料,采用硅烷偶联剂KH-550对芳纶和UHMWPE纤维进行表面改性处理,在横机上编织满针罗纹,圆筒形,罗纹空气层三种不同组织的纬编针织增强体.采用模压成型工艺将增强体与环氧乙烯基酯树脂进行加工,制得三种纬编针织结构增强复合材料,对三种复合材料的经纬向拉伸、压缩、弯曲和层间剪切强度性能进行测试比较.结果表明,经硅烷偶联剂KH-550处理的纤维针织增强体各项力学性能均有所提升,满针罗纹纬编针织复合材料的经向拉伸、经纬向压缩、经纬向弯曲和经纬向层间剪切强度均优于其他组织,而罗纹空气层纬编针织复合材料的纬向拉伸强度达到最大,圆筒形纬编针织复合材料的各项性能最低.
To discuss the mechanical properties of weft-knitted reinforced composite with different textures,with aramid fiber and UHMWPE fiber as raw materials,surface modification treatment of aramid fiber and UHMWPE fiber was done with silane coupling agent KH-550,and three different textures weft-knitted reinforcements of full stitch,cylindrical and milano rid were weaved.By molding pressing technology,using reinforcement and epoxy vinyl ester resin,three kinds of weft-knitted rein-forced composite materials were prepared.The tensile strength,compression,bending and interlaminar shear strength test of the three composites were tested and compared.The results show that the mechanical properties of fiber knitted reinforcements treated with silane coupling agent KH-550 are better than those of unmodified fiber reinforcements,full stitch ribs of the meridional stretch,latitude and longitude to compression,latitude and longitude to the bending and latitude and longitude to the interlayer shear strength are better than other organizations,the weft knitted composite material of the milano rib has the largest zonal tensile strength,and the performance of the cylindrical weft knitted composite material is the lowest.
To discuss the mechanical properties of weft-knitted reinforced composite with different textures,with aramid fiber and UHMWPE fiber as raw materials,surface modification treatment of aramid fiber and UHMWPE fiber was done with silane coupling agent KH-550,and three different textures weft-knitted reinforcements of full stitch,cylindrical and milano rid were weaved.By molding pressing technology,using reinforcement and epoxy vinyl ester resin,three kinds of weft-knitted rein-forced composite materials were prepared.The tensile strength,compression,bending and interlaminar shear strength test of the three composites were tested and compared.The results show that the mechanical properties of fiber knitted reinforcements treated with silane coupling agent KH-550 are better than those of unmodified fiber reinforcements,full stitch ribs of the meridional stretch,latitude and longitude to compression,latitude and longitude to the bending and latitude and longitude to the interlayer shear strength are better than other organizations,the weft knitted composite material of the milano rib has the largest zonal tensile strength,and the performance of the cylindrical weft knitted composite material is the lowest.
引文
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[15]郝露,孙颖,张鹤江,等.芳纶/炭混编三维编织复合材料力学性能实验[J].固体火箭技术,2015,38(5):727-732.HAO L,SUN Y,ZHANG H J,et al.Experimental investigation on the mechanical properties of kevlar/carbon hybrid 3D braided composites[J].Journal of Solid Rocket Technology,2015,38(5):727-732.
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[17]李翠玉,罗岳文,贾静艳,等.不同结构UHMWPE纤维纬编针织复合材料弯曲性能[J].材料工程,2015,43(11):84-90.LI C Y,LUO Y W,JIA J Y,et al.Bending properties of UHMWPE fiber weft knitted composites with different structures[J].Journal of Materials Engineering,2015,43(11):84-90.
[2]王春敏.针织复合材料力学性能的研究[J].材料导报,2011,25(11):277-280.WANG C M.Study on the mechanical properties of knitted fabric composites[J].Materials Review,2011,25(11):277-280.
[3]魏凯,秦志刚.纬编针织复合材料拉伸性能研究[J].上海纺织科技,2015,43(9):44-47.WEI K,QIN Z G.Study on the tensile properties of weft knitted composite materials[J].Shanghai Textile Science&Technology,2015,43(9):44-47.
[4]马丕波,朱运甲,高雅,等.针织结构复合材料的应用与发展[J].玻璃纤维,2014(1):5-10.MA P B,ZHU Y J,GAO Y,et al.Application and development of knitted composites[J].Fiber Glass,2014(1):5-10.
[5]闫智敬,马少华,付坤,等.芳纶表面改性及其与丁腈橡胶复合材料的性能研究[J].材料导报2016,30(10):116-121.YAN Z J,MA S H,FU K,et al.Study on surface modification of poly-p-phenylene terephthamide fiber and properties of its NBR composites[J].Materials Review,2016,30(10):116-121.
[6]刘冬冬,扈艳红,张芳芳,等.叠氮苯并咪唑偶联剂增强国产芳纶Ⅲ/聚三唑树脂复合材料界面[J].复合材料学报,2017,34(2):336-344.LIU D D,HU Y H,ZHANG F F,etal.Interfacialreinforcementofdamesticaramid fiberⅢ/PTA composites using azide-containing benzimidezole coupling agent[J].Acta Materiae Compositae Sinica,2017,34(2):336-344.
[7]王彦杰,孟家光,张琳玫,等.芳纶针织物复合材料力学性能测试[J].合成纤维,2016,45(10):11-14.WANG Y J,MENG J G,ZHANG L M,et al.Study on mechanical properties of aramid fiber knitted fabric reinforced composites[J].Synthetic Fiber in China,2016,45(10):11-14.
[8]何淼.γ-射线辐照对国产芳纶纤维及其复合材料界面性能的影响[D].哈尔滨:哈尔滨工业大学,2011.HE M.Effects ofγ-ray irradiation on indigenous aramid fiber and its composite interface performance[D].Harbin:Harbin Institute of Technology,2016.
[9]刘晓巧,孟家光,田萌.UHMWPE纤维立体成型针织复合材料的设计与制作[J].针织工业,2017(2):21-24.LIU X Q,MENG J G,TIAN M.Development of three-dimensional knitted composite materials by using UHMWPE fiber[J].Knitting Industries,2017(2):21-24.
[10]李春阳.超高分子量聚乙烯纤维表面改性及其橡胶基复合材料性能研究[D].宁波:宁波大学,2015.LI C Y.Surface modification of ultra-high molecular weight polyethylene fiber and properties of its rubber matrix composites[D].Ningbo:Ningbo University,2015.
[11]达巍峰.超高分子量聚乙烯纤维产业现状与发展[J].新材料产业,2011(9):17-20.DA W F.Present situation and development of UHMWPE[J].Advanced Materials Industry,2011(9):17-20.
[12]张恒,王李波,高誉鹏,等.纳米改性增强超高分子量聚乙烯复合材料研究进展[J].材料导报,2016,30(5):33-39.ZHANG H,WANG L B,GAO Y P,et al.Research progress of nano-modified ultra-high molecular weight polyethylene composites[J].Materials Review,2016,30(5):33-39.
[13]李春阳,李微微,李瑞培,等.超高分子量聚乙烯纤维复合表面改性及其橡胶基复合材料的力学性能[J].复合材料学报,2015,32(2):409-419.LI C Y,LI W W,LI R P,et al.Compound surface modification of ultra-high molecular weight polyethylene fiber and mechanical properties of its rubber matrix composites[J].Acta Materiae Compositae Sinica,2015,32(2):409-419.
[14]张永冰.有机硅氧烷交联改性超高分子量聚乙烯[D].北京:北京化工大学,2011.ZHANG Y B.Cross-linked modification of ultra high molecular weight polyethylene by silane[D].Beijing:Beijing University of Chemical Technology,2011.
[15]郝露,孙颖,张鹤江,等.芳纶/炭混编三维编织复合材料力学性能实验[J].固体火箭技术,2015,38(5):727-732.HAO L,SUN Y,ZHANG H J,et al.Experimental investigation on the mechanical properties of kevlar/carbon hybrid 3D braided composites[J].Journal of Solid Rocket Technology,2015,38(5):727-732.
[16]袁玉华.碳纤维纬编针织复合材料的制备与性能[D].石家庄:河北科技大学,2016.YUAN Y H.Preparation and properties of carbon fiber weft knitted fabric reinforced composites[D].Shijiazhuang:Hebei University of Science and Technology,2016.
[17]李翠玉,罗岳文,贾静艳,等.不同结构UHMWPE纤维纬编针织复合材料弯曲性能[J].材料工程,2015,43(11):84-90.LI C Y,LUO Y W,JIA J Y,et al.Bending properties of UHMWPE fiber weft knitted composites with different structures[J].Journal of Materials Engineering,2015,43(11):84-90.