采用真空辅助树脂传递模塑(VARTM)工艺制备了亚麻纤维增强环氧树脂基复合材料,研究了纤维体积分数对其拉伸强度的影响;通过对Kelly-Tyson拉伸强度预测模型进行修正,建立了亚麻纤维增强树脂基复合材料拉伸强度的预测模型,并计算了模型的预测精度.结果表明:当纤维体积分数为38.6％时,复合材料的拉伸强度最大,约为63.10MPa;不同纤维含量的复合材料因界面剪切强度不同,其所对应的临界纤维长度、纤维拉伸强度及纤维长度效应因子均有所不同;建立的拉伸强度预测模型的预测精度约为97.8％.
参考文献
| [1] | David Rouison;M. Sain;M. Couturier .Resin transfer molding of natural fiber reinforced composites: cure simulation[J].Composites science and technology,2004(5):629-644. |
| [2] | AZIZ S H;ANSELL M P;CLARKE S J et al.Modified polyester resins for natural fiber composites[J].Composites Science and Technology,2005,65:525-535. |
| [3] | Dann Feng;D.F.Caulfield;SANADI A. R. .Effect of Compatibilizer on the Structure-Property Relationships of Kenaf-Fiber/Polypropylene Composites[J].Polymer Composites,2001(4):506-517. |
| [4] | 张赋,李旭东.织物增强复合材料弹性常数的有限元法预测[J].机械工程材料,2014(04):82-86,95. |
| [5] | 才红.表面处理方法对剑麻纤维/酚醛树脂复合材料性能的影响[J].机械工程材料,2010(03):15-18. |
| [6] | 杨敏鸽,王琼,秦辉,胡新煜,王俊勃,贺辛亥,付翀.苎麻增强环氧树脂复合材料的力学性能[J].机械工程材料,2012(06):68-71. |
| [7] | 李小慧,金石磊,孙斓珲,杨振国,孙丹.聚酯纤维布增强环氧树脂基复合材料的拉伸和摩擦学性能[J].机械工程材料,2010(03):61-65,69. |
| [8] | 郭明恩,孙祖莉,李峻,栾桂卿,陈欣.真空导入树脂模塑工艺对EKB1100／430LV复合材料纤维含量及力学性能的影响[J].机械工程材料,2012(05):38-41. |
| [9] | D3039/D3039M-00.Standard test method for tensile properties of polymer matrix composite material[S]. |
| [10] | GB 1447-1983.玻璃纤维增强塑料拉伸性能试验方法[S]. |
| [11] | GB 3357-1982.单向纤维增强塑料层间剪切强度试验方法[S]. |
| [12] | S.K.GARKHAIL;R.W.H.HEIJENRATH .Mechanical Properties of Natural-Fibre-Mat-Reinforced Thermoplastics based on Flax Fibres and Polypropylene[J].Applied composite materials,2000(5/6):351-372. |
| [13] | FUKUDA H;CHOU T W .A probabilistic theory of the strength of short-fiber composites with variable fiber length and orientation[J].Journal of Materials Science,1982,17:1003-1011. |
| [14] | PIPES R B;MCCULLOUGH R L;TAGGART G .Behavior of discontinuous fiber composites:fiber orientation[J].Polymer Composites,1982,3(01):34-37. |
| [15] | Sanomura Y;Hayakawa K;Mizuno M;Kawamura M .Effects of process conditions on Young's modulus and strength of extrudate in short-fiber-reinforced polypropylene[J].Polymer Composites,2007(1):29-35. |
| [16] | KELLY A;TYSON W R .Tensile properties of fibre-Reinforced metals:copper/tungsten and copper/molybdenum[J].Journal of the Mechanics and Physics of Solids,1965,13:329-338. |
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