[1]倪　卓,刘剑洪,魏波,等.PEEK/AS4复合材料微观结构表征[J].深圳大学学报理工版,2007,24(1):47-53.
　NI Zhuo,LIU Jian-hong,WEI Bo,et al.Microstructural charaterization of Polyetheretherketon/AS4 composites[J].Journal of Shenzhen University Science and Engineering,2007,24(1):47-53.
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PEEK/AS4复合材料微观结构表征()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第24卷
期数:
2007年1期
页码:
47-53
栏目:
化学与化工
出版日期:
2007-01-30

文章信息/Info

Title:
Microstructural charaterization of Polyetheretherketon/AS4 composites
文章编号:
1000-2618（2007）01-0047-07
作者:
倪　卓; 刘剑洪; 魏波; 周晓明; 宫永辉
深圳大学化学与化工学院，深圳 518060
Author(s):
NI Zhuo; LIU Jian-hong; WEI Bo; ZHOU Xiao-ming; and GONG Yong-hui
College of Chemistry and Chemical Engineering,Shenzhen University,Shenzhen 518060,P．R．China
关键词:
聚醚醚酮; 碳纤维; 复合材料; 微观结构; 聚集态结构
Keywords:
Polyetheretherketone; carbon fibres; composites; microstructure; morphology
分类号:
O 614.8；O 656.4
文献标志码:
A
摘要:
用ICI生产的PEEK/AS4复合材料为样品，采用扫描电镜、光学显微镜和超声检测技术，结合化学浸湿技术，测定了复合材料的微观结构，包括基体树脂聚集态结构和增强材料碳纤维的排列结构，纤维/基体的界面结构和复合材料的物理性能．实验结果表明：该复合材料中碳纤维的体积分数为60%，平均直径为6.9 μm，碳纤维排列均匀．碳纤维规整的排列在复合材料中，加强了复合材料中纤维的取向性能，决定了该复合材料的各向异性特征．聚醚醚酮树脂在复合材料中呈现典型的球状结构，这种晶体结构发生在树脂相或纤维表面，导致聚醚醚酮基体和碳纤维之间存在良好的界面结合力．在预浸层模压制成复合材料片材时，可以观察到在邻层之间有一个树脂密度较大的区域，这种现象在(±45)4s复合材料中尤为明显．这些树脂区域在复合材料中可以吸收能量，对复合材料的抗疲劳性能具有很大影响．
Abstract:
Polyetheretherketone (PEEK) is a super? thermal engineering plastic material which has significant performances，particularly in? respects of? fracture toughness，damage tolerance and resistance to hot，and wet environments. It is considered to be a foremost thermoplastic matrix in composite materials for the application of high technologies such as aerospace field，automobile industry，and marine application，etc. The manufacturing of PEEK/AS4 involves the components of composite materials and creates the microstructure，which ultimately governs the properties of the composites. The microstructures of PEEK/AS4 composites such as voids，fibre organisation and matrix morphology were examined by optical microscope，image analysis and scanning electron microscope (SEM) in this work with satisfying results. Significant features are highlighted. Composites are essentially heterogeneous systems but the level of that heterogeneity depends on the scale of examination. The composites have 60% by volume of carbon fibres with an average diameter of 6.9 μm．The distribution of the carbon fibres is approximately uniform. The carbon fibres are generally well aligned in the laminates although some fibre misalignment exists. A high degree of fibre alignment optimises the reinforcing effect in the fibre direction．Spherulite structure is significantly evident in the matrix morphology．This crystalline structure occurs within the bulk of the matrix phase or from the fibre surfaces．A good bonding between the matrix and fibres is evident and a resin-rich layer between adjacent plies is visible．These provide the composites with good interface and interphase adhesion．The resin-rich area is significant for (±45)4s lay-ups，being associated with a significant shear stress in the deformation of this type of material．

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相似文献/References:

[1]倪卓,王应,华文语,等.PEEK/HA生物复合材料的热稳定性[J].深圳大学学报理工版,2012,29(No.6(471-580)):521.[doi:10.3724/SP.J.1249.2012.06521]
　NI Zhuo,WANG Ying,HUA Wen-yu,et al.Thermal stability of ?PEEK/HA biological composite materials[J].Journal of Shenzhen University Science and Engineering,2012,29(1):521.[doi:10.3724/SP.J.1249.2012.06521]

备注/Memo

备注/Memo:
收稿日期：2006-10-10；修回日期：2006-11-11
作者简介：倪卓(1963-)，男（汉族），吉林省通化市人，深圳大学教授、博士．E-mail：royzhuoni@hotmail.com
更新日期/Last Update: 2007-12-09