多辊轴辅助高黏树脂熔融浸渍连续纤维工艺的影响因素  

Influence factors of high viscosity resin melt impregnation of continuous fiber in multi pins-assisted process

作　　者：曹兵妥[1] 傅增祥[1] 刘风雷[2] 刘华东[2] 贺加贝[1] 冯一川[1] 石阶想[1] 

机构地区：[1]西北工业大学生命学院,西安710072 [2]北京航空制造工程研究所,北京100024

出　　处：《复合材料学报》2012年第5期203-208,共6页Acta Materiae Compositae Sinica

摘　　要：针对多辊轴辅助高黏树脂熔融浸渍连续纤维的过程,基于达西定律、微元法及展开理论,建立了包含各影响因素的浸渍表达式。对所建立的表达式赋予实验条件进行计算,结果与已有实验结果吻合良好。理论分析表明:用辊轴法对纤维束进行分散,当多辊轴水平布置时,对纤维展开辅助作用比较小,应采用错位排列;辊轴个数增加,纤维张力增加(增加纤维断裂风险),宜采用3～5个辊轴。Based on theories of Darcy-law, micro-element and the fiber spreading, this paper extended the pin-assisted melt impregnation theory which traditionally built for single pin, to multi pins-assisted melt impregnation, in particular for the high viscosity thermoplastic resin. The equation in terms of all of influence factors for multi pins-assisted melt impregnation was developed. The theoretical prediction calculated with assigned parameters was in accordance with the experimental data reported. The results show： pins arrangement for the fiber spreading should be in zigzag as the horizontally-arranged pins has less spread effect; as the fiber tension will raise greatly with adding the number of impregnation pins, which increases the fiber break risk, the number of impregnation pins ought to be 3～5.

关 键 词：熔融浸渍 高黏度 树脂 多辊轴 达西定律 

分 类 号：TB332[一般工业技术—材料科学与工程]