选取国产碳纤维CCF300所制备的2种单向织物,单向无纬织物U3160及单向无屈曲织物KUC160,分别对其预成型体进行压缩特性和渗透特性测试,以研究2种单向织物的液体成型工艺性,并采用树脂传递模塑(RTM)工艺制备2种单向织物/双马来酰亚胺树脂基复合材料,测试并对比其面内力学性能.结果表明:预成型体压缩试验中,嵌套效应受压力及织物层数影响较大,压力越高、层数越多,嵌套效应越显著.U3160织物的嵌套效应较KUC160织物更为明显,在较高压力下,KUC160织物预成型体的纤维体积分数较U3160织物的下降了约20%.渗透率测试结果表明:相比U3160织物,KUC160织物0°方向的渗透率较高,而90°方向的渗透率有所降低;这是由于经编线的绑缚作用能促进0°方向的宏观流动,而阻碍90°方向的微观渗透.此外,KUC160织物的经编线与U3160织物的纬向纱线的导流作用也对渗透率有影响.力学性能试验结果表明:相比U3160织物增强复合材料,KUC160织物增强复合材料0°方向的拉伸、弯曲和压缩性能均有所下降,拉伸强度和弯曲模量降幅最大,分别约为11%和21%;而层间剪切强度有小幅提高,增幅约为8%.
参考文献
[1] | 杜善义.先进复合材料与航空航天[J].复合材料学报,2007(01):1-12. |
[2] | 陈祥宝.先进树脂基复合材料的发展和应用[J].航空材料学报,2003(z1):198-204. |
[3] | Zuo-Rong Chen;Lin Ye.A micromechanical compaction model for woven fabric preforms Part II: Multilayer[J].Composites science and technology,200616(16):3263-3272. |
[4] | Robitaille F.;Gauvin R..Compaction of textile reinforcements for composites manufacturing. I: Review of experimental results[J].Polymer Composites,19982(2):198-216. |
[5] | R. A. Saunders;C. Lekakou;M. G. Bader.Compression and microstructure of fibre plain woven cloths in the processing of polymer composites[J].Composites, Part A. Applied science and manufacturing,19984(4):443-454. |
[6] | Baoxing Chen;Tsu-Wei Chou.Compaction of woven-fabric preforms in liquid composite molding processes: single-layer deformation[J].Composites science and technology,199910(10):1519-1526. |
[7] | B. Chen;A.H.-D. Cheng;T.-W. Chou.A nonlinear compaction model for fibrous preforms[J].Composites, Part A. Applied science and manufacturing,20015(5):701-707. |
[8] | Chen B.;Chou T..Compaction of woven-fabric preforms: nesting and multi-layer deformation[J].Composites science and technology,200012/13(12/13):2223-2231. |
[9] | 梁子青;唐邦铭;李艳亮;益小苏.织物预成型体的可压缩性研究[J].材料工程,2006(6):5-8,45. |
[10] | 郭启微;吴晓青.复合材料中平纹机织物的压缩性能[J].纺织学报,2008(5):42-45. |
[11] | 潘利剑,刘卫平,陈萍,戚方方.碳纤维经编多轴向织物的压缩特性[C].第十四届中国科协年会论文集,2012:1-4. |
[12] | 田正刚 .LCM工艺中纤维预成型体渗透率的研究[D].武汉理工大学,2004. |
[13] | 李文晓;薛元德;吴人洁.树脂传递模塑工艺中渗透率的测定[J].建筑材料学报,2000(3):258-263. |
[14] | 董韵;李炜.经编多轴向织物[J].玻璃钢/复合材料,2006(1):56-57. |
[15] | 李龙;段跃新;李超;肇研.双轴向经编织物T700/BM16421复合材料力学性能[J].复合材料学报,2011(6):92-97. |
[16] | A.A. Somashekar;S. Bickerton;D. Bhattacharyya.Exploring the non-elastic compression deformation of dry glass fibre reinforcements[J].Composites science and technology,20072(2):183-200. |
[17] | Duan Yuexin;Tan Zhaoyuan;Zhao Yan;Sun Jing.Compression Responses of Preform in Vacuum Infusion Process[J].中国航空学报(英文版),2008(04):370-377. |
[18] | 刘刚;李伟东;李龙;肇研;益小苏.“离位”增韧预成型体压缩特性[J].复合材料学报,2015(4):1194-1200. |
[19] | 杨金水;肖加余;曾竟成;彭超义;杨孚标;冯学斌.真空导入模塑工艺中织物预成型体的可压缩性[J].复合材料学报,2011(6):1-7. |
[20] | 祝君军;段跃新;陈吉平;肇研.碳纤维经编织物定型参数及渗透特性[J].复合材料学报,2012(3):42-48. |
[21] | 丁江平;潘利剑;范欣愉;谈亚飞.国产CCF300碳纤维4轴向无屈曲织物层合板力学性能对比研究[J].高科技纤维与应用,2010(5):26-31. |
[22] | Roberts Joffe;David Mattsson;Janis Modniks.Compressive failure analysis of non-crimp fabric composites with large out-of-plane misalignment of fiber bundles;;Compressive failure analysis of non-crimp fabric composites with large out-of-plane misalignment of fiber bundles[J].Composites, Part A. Applied science and manufacturing,20058(8):1030-1046. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%