对超高强聚乙烯纤维的表面进行电晕放电及二次处理,通过扫描电镜、红外光谱分析了它的表面形态和化学结构变化.SEM图像表明,电晕造成纤维表面出现微裂纹,而且微裂纹的数量和大小随电晕强度的增加而增加.ATR-FTIR光谱显示, 纤维表面同时出现含氧基团,也随电晕强度的增加而增加;二次处理后,纤维表面的化学结构也发生明显的变化.尽管随着电晕强度的增大,UHSPE纤维的拉伸强度连续下降,但经过4kW的电晕处理一段时间后,UHSPE纤维/乙烯基树脂复合材料的层间剥离强度和V50值都出现了最大值,这为进一步研究超高强聚乙烯纤维增强复合材料的防弹性能提供了理论依据.
参考文献
| [1] | Andreopoulos A G;Liolios K;Patrikis A .Treated polyethylene fibers as reinforcement for epoxy resins[J].Journal of Materials Science,1993,28:5002. |
| [2] | Gutowski W S;Pankevicius E R;Wu D Y .Controlled interfaces of ultra-high modulus polyethylene and aramid fibers for advanced composites[J].Materials Science Forum,1995,189-190:211. |
| [3] | Silverstein M S;Breuer O .Relationship between surface properties and adhesion for etched ultra-high-molecular-weight polyethylene fibers[J].Journal of Computer Science and Technology,1993,48:151. |
| [4] | 仲伟虹;张佐光;梁志勇 等.新型防弹材料[J].兵器材料科学与工程,1995,18(05):80. |
| [5] | Song Q I;Netravali A N .Effects of a pulsed XeCl excimer laser on ultra-high strength polyethylene fiber and its interface with epoxy resin[J].Journal of Adhesion Science and Technology,1999,13:501. |
| [6] | Bettge D J;Hinrichsen G .Continuous manufacturing of composites of high-performance polyethylene fibers[J].Journal of Computer Science and Technology,1993,47:131. |
| [7] | 周春华;刘威;李学闵 等.高密度聚乙烯纤维表面活化及其与环氧复合材料的界面[J].材料研究学报,1996,10(06):669. |
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