连续纤维增强PPESK树脂基复合材料的界面性能  

Interfaces of composites of continuous fiber reinforced PPESK resin matrix

作　　者：陈平[1] 陆春[1] 于祺[1] 孙明[1] 

机构地区：[1]大连理工大学

出　　处：《材料研究学报》2005年第2期159-164,共6页Chinese Journal of Materials Research

基　　金：国家八六三计划新材料2003AA305130辽宁省航空专项基金20044002辽宁省高校原材料特种制备重点实验室基金(2004-3B)资助项目~~

摘　　要：用SEM观察了复合材料的微观断面结构,用横向拉伸强度和层间剪切强度表征玻璃纤维(GF)、T700碳纤维(CF)、芳纶纤维(F-12)增强PPESK树脂基复合材料的界面性能,研究了界面性能对三种复合材料耐湿热性能的影响.结果表明,T700/PPESK和F 12/PPESK复合材料的界面粘接性能均优于GF/PPESK复合体系.三种纤维复合材料的破坏机理不同:玻璃纤维发生纤维与树脂的界面脱粘破坏,碳纤维复合材料在破坏时,树脂与纤维并没有完全脱粘,破坏发生在树脂内;而芳纶纤维复合材料的破坏总伴随着纤维本身横向的撕裂破坏.三种复合材料体系均具有较低的吸湿率和良好的耐湿热性能, T700/PPESK复合材料在湿热条件下的性能保持率最高.The interfaces of composites of continuous glass fibre (GF), T700 (CF) fibre and F-12 fibre reinforced PPESK resin were studied. Broken mode and mechanism of three composites were obtained. The results show that the interfacial bonds of T700/PPESK and F-12/PPESK composites are stronger than those of GF/PPESK composite. According to the analyses on the fracture section by SEM, the broken mechanism for three composites is different. The break occurs in the interface for GF/PPESK composite, the resin for CF/PPESK composite and the fibre for F-12/PPESK composite. Three composites are all unhygroscopic and have good mechanical properties under wet condition, and CF/PPESK composite is the best in two points.

关 键 词：有机高分子材料 聚芳醚砜酮 连续纤维 纤维增强树脂基复合材料 界面 

分 类 号：TQ323[化学工程—合成树脂塑料工业]