超高分子量聚乙烯纤维/碳纤维混杂复合材料研究  

Study of UHMWPE Fiber/Carbon Fiber Hybrid Composite

作　　者：何洋[1] 梁国正[1] 杨洁颖[1] 王结良[1] 吕生华[1] 陈成泗 陈孟群 

机构地区：[1]西北工业大学化学工程系,陕西西安710072 [2]宁波大成新材料有限公司,浙江宁波315300

出　　处：《航空学报》2004年第5期504-507,共4页Acta Aeronautica et Astronautica Sinica

基　　金：西北工业大学研究生创业种子基金(Z20030100);武器装备预研基金资助项目(51412030304HK0356)

摘　　要：研究了在层内和层间两种混杂方式下,T300与表面处理前后的超高分子量聚乙烯(UHMWPE)纤维混杂复合材料的弯曲强度和ILSS的变化,结果表明层间混杂复合材料的黏结性比层内混杂好。在相同的混杂方式下,采用未处理的DC88纤维、合成的VE树脂,混杂复合材料的ILSS比E 51体系提高25%以上。采用VE树脂和处理后DC88/T300层间混杂,控制含胶质量在40%时,ILSS达到42 5MPa,是未处理的DC88/E 51体系的ILSS的5倍。混杂复合材料密度在1 12～1 24g/cm3之间,在航空航天结构材料减重上有良好的应用前景。Carbon fiber T300 is chosen as a co-hybrid fiber, and two different kinds of UHMWPE fiber/T300 hybrid composites are prepared in both inner-laminar and inter-laminar styles. The inter-laminar hybrid composites exhibit better adhesion than the inner-laminar ones. VE resin, which is synthesized in lab, increases the adhesion by 25 % in comparison with epoxy resin E-51. For the optimized system DC88/T300/VE, the ILSS reaches 42.5 MPa, 5 times of the untreated DC88/E-51 system. ILSS increases with the increasing of resin content at first, and then decreases with further increase, so that a maximum ILSS is obtained in each of the resin systems. The VE peak occurs at a lower resin content range than E-51 peak, indicating VE has a better adhesion with DC88 than epoxy resin E-51. The density of hybrid composites changes from 1.12 g/cm3 to 1.24 g/cm3, which suggests that the hybrid composite has a potential application in space structures.

关 键 词：UHMWPE纤维 界面黏结性 层间剪切强度 分子量 聚乙烯纤维/碳纤维复合材料 

分 类 号：TB332[一般工业技术—材料科学与工程]