采用经编织物等温热压法制备了连续纤维增强GF/PP热塑性复合材料.用扫描电镜对不同工艺条件下的复合材料微观形貌进行了观察,研究了工艺条件对浸润状态的影响规律,分析了纤维的浸润过程和主要缺陷的产生原因,并给出了浸润过程的初步模型.实验结果表明,这种GF/PP经编织物在一定工艺条件下热压成型,热塑性基体熔体可较好地浸润纤维,并使纤维达到较为理想的分散状态,是制备连续纤维增强热塑性复合材料一种新的途径.
参考文献
| [1] | 张宝艳,边俊形,陈祥宝,等.用共编纱制备热塑性复合材料[J].复合材料学报,2003,20 (3):17-21. |
| [2] | Gibson A G,Manson J A. Impregnation technology for thermoplastic matrix composites[J].Composites Manufacturing,1992,3 (4):223-233. |
| [3] | Long A C,Wilks C E,Rudd C D. Experimental characterization of the consolidation of a commingled glass/polypropylene composite[J].Comp Sci and Tech,2001,61:1591-1603. |
| [4] | Lin Ye,Klaus F,Joachim K, et al.Consolidation of unidirectional CF/PEEK composites from commingled yarn prepreg[J].Comp Sci and Tech,1995,54:349-358. |
| [5] | Lee W I,Springer G S.A model of the manufacturing pro-cess of thermoplastic matrix composites[J].J Comp Materials,1987,21:1017-1056. |
| [6] | 李龙,王善元,俞建勇.空隙率对喷气混纤纱复合材料力学性能的影响[J].复合材料学报,1999,16 (4):68-71. |
| [7] | Leterrier Y,G'Sell C. Formation and elimination of voids during the processing of thermoplastic matrix composites[J].Poly Comp,1994,15 (2):101-105. |
| [8] | Wakeman M D,Cain T A,Rudd C D,et al.Compression moulding of glass and polypropylene composites for optimized macro- and micro-mechanical propertiesⅡ: Glass-mat reinforced thermoplastics[J].Comp Sci and Tech,1999,59:709-729. |
| [9] | Klinkmuller V,Um M K,Steffens M,et al.A new model for impregnation mechanisms in different GF/PP commingled yarns[J].Applied Composite Materials,1995,1:351-371. |
| [10] | Wakeman M D,Cain T A,Rudd C D,et al.Compression moulding of glass and polypropylene composites for optimized macro- and micro-mechanical propertiesⅠ: Commingled glass and polypropylene[J].Comp Sci and Tech,1998,58:1879-1898. |
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