纺织学报 ›› 2016, Vol. 37 ›› Issue (09): 65-69.

• 纺织工程 • 上一篇    下一篇

蜂窝结构三维纺织品的复合工艺开发

  

  • 收稿日期:2015-06-05 修回日期:2016-04-25 出版日期:2016-09-15 发布日期:2016-09-19

Composite technologies on 3-D honeycomb structural textile

  • Received:2015-06-05 Revised:2016-04-25 Online:2016-09-15 Published:2016-09-19

摘要:

针对具有蜂窝状结构的三维纺织品在复合工艺中存在难以成型、脱模困难的问题,拟采用对传统手糊工艺和真空辅助树脂传递模塑(VARTM)工艺进行改进的方法,对这种结构的纺织品进行复合工艺的新开发。在上述2种传统复合工艺的基础上,采用不同材质的支撑物将平面织物塑造成立体结构的蜂窝材料或对树脂注入口的位置、数量进行调整,制备出5组试样。结果表明:采用手糊工艺制成的蜂窝结构复合材料的厚度误差可达60% 以上,得不到理想的试样;但采用VARTM工艺再结合石蜡作为结构内部支撑材料并采用水浴加热,可成功地制备出蜂窝结构复合材料。

关键词: 蜂窝结构织物, 手糊工艺, 真空辅助树脂传递模塑工艺, 复合材料, 三维纺织品

Abstract:

During the composite processes for the 3-D honeycomb structural textiles, problems such as the difficulties in forming the composite and hard to de-mould after the composite is cured. Therefore, the author was trying to improve the traditional hand lay-up process and vacuum assisted resin transfer (VARTM) process to open the 3D honeycomb structural composite successfully. By adapting the methods such as inserting various preforms in the cells of the honeycombs to consolidate the structure; or by adjusting the positions and number of the resin injections for the fabric to be immersed completely; or by replacing the metal preforms by wax preforms to open the fabric layers, then melting the wax afterwards to produce the 3D honeycomb structural composites. After all the above three trials, the author finds that if the hand lay-up technology is employed to make the composite sample, the quality of the product is hard to control and the thickness among various samples could be in the error of 60%, however, if the VARTM technology combined with wax is adopted to make the composite, a well presented 3D honeycomb structural composite can be obtained.

Key words: honeycomb structural fabric, hand lay-up technology, vacuum assisted resin transfer mold technology, 3-D fabric

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