玄武岩纤维布增强环氧树脂复合材料研究
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摘要
以玄武岩纤维平纹布(BF)加入到环氧树脂(EP)中,采用模压工艺制备BF/EP复合材料,研究加入不同层数的玄武岩纤维布对复合材料力学性能和断裂韧性的影响.实验结果表明,BF/EP复合材料的弯曲强度、冲击强度和断裂韧性明显优于环氧树脂;与未加BF的环氧树脂相比,加入三层BF后复合材料的弯曲强度提高了2.76倍,缺口冲击强度提高了19.67倍,无缺口冲击强度提高了5.94倍,K_(IC)提高了2.97倍.
The BF/EP composites were prepared by embossing with basalt fiber plain cloth( BF) added to epoxy resin( EP).The effects of different layers of basalt fiber cloth on the mechanical properties and fracture toughness of the composites were investigated.The experimental results show that the bending strength,impact strength and fracture toughness of BF/EP composites were significantly better than that of epoxy resin.Compared with the epoxy resin without BF,the bending strength of the composite increased by 2.76 times after adding three layers of BF.The notched impact strength increased by 19.67 times,the unnotched impact strength increased by 5.94 times,and the K_(IC)increased by 2.97 times.
The BF/EP composites were prepared by embossing with basalt fiber plain cloth( BF) added to epoxy resin( EP).The effects of different layers of basalt fiber cloth on the mechanical properties and fracture toughness of the composites were investigated.The experimental results show that the bending strength,impact strength and fracture toughness of BF/EP composites were significantly better than that of epoxy resin.Compared with the epoxy resin without BF,the bending strength of the composite increased by 2.76 times after adding three layers of BF.The notched impact strength increased by 19.67 times,the unnotched impact strength increased by 5.94 times,and the K_(IC)increased by 2.97 times.
引文
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[3]陈平,刘胜平,王德中.环氧树脂及其应用[M].北京:化学工业出版社,2011.
[4] Vagvala T C,Pandey S S,Ogomi Y,et al.Investigationof metal xanthates as latent curing catalysts for epoxyresin via formation of in-situ metal sulfides[J]. Inor-ganica Chimica Acta,2015,(435):292-298.
[5]姜纪刚,国桂荣.聚丙烯腈系异型纤维国产化进展及发展趋势[J].吉林化工学院学报,2017,34(5):14-19.
[6]陈宇飞,郭艳宏,戴亚杰.聚合物基复合材料[M].北京:化学工业出版社,2010:21.
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[8]李英建,李峰,曲英章,等.连续玄武岩纤维增强复合材料的抗弹性能研究[J].工程塑料应用,2011,39(11):26-28.
[9]李卫东,曹海琳,陈国荣,等.玄武岩纤维/酚醛树脂基复合材料性能研究[J].化学与黏合,2009,31(6):1-4.
[10]张俊华,李锦文,李传校,等.连续玄武岩纤维平纹布增强硼酚醛树脂复合材料研究[J].工程塑料应用,