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材料工程  2014, Vol. 0 Issue (9): 83-88    DOI: 10.11868/j.issn.1001-4381.2014.09.014
  测试与表征 本期目录 | 过刊浏览 | 高级检索 |
国产T800级炭纤维表面特性及其复合材料微观界面性能
罗云烽1, 李阳2, 肈研2, 谢富原1
1. 中航工业复合材料技术中心, 北京 101300;
2. 北京航空航天大学 材料科学与工程学院, 北京 100191
Surface Characteristics of Domestic T800-grade Carbon Fibers and Microscopic Interphase Properties of Composites
LUO Yun-feng1, LI Yang2, ZHAO Yan2, XIE Fu-yuan1
1. AVIC Advanced Composites Center, Beijing 101300, China;
2. Materials Science and Engineering School, Beihang University, Beijing 100191, China
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摘要 采用扫描电镜(SEM)、原子力显微镜(AFM)、X射线光电子能谱(XPS)等测试方法表征了两种国产上浆/去浆T800级炭纤维的表面特性,并通过单丝断裂实验测试了单丝复合体系微观界面剪切强度(IFSS),在此基础上研究了炭纤维表面特性对单丝复合体系微观界面性能及其耐湿热性能的影响。结果表明:去浆后炭纤维表面含氧活性官能团含量降低,粗糙度增加,与基体树脂的界面结合强度增大;湿热环境对复合材料的微观界面性能影响显著,尤其是破坏了纤维/基体间的化学键合作用,但去湿后部分界面性能可恢复。
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罗云烽
李阳
肈研
谢富原
关键词 T800炭纤维复合材料界面上浆剂湿热    
Abstract:The surface properties of two domestic T800-grade sized and desized carbon fibers were characterized by scanning electron microscope(SEM), atomic force microscope(AFM) and X-ray photoelectron spectroscopy(XPS). The micro-interface shear strength(IFSS) of single fiber composites was also analysed by single fiber fragmentation test(SFFT). The influences of surface properties on micro-interphase strength of single carbon fiber composites and hygrothermal properties were investigated. The results show that the amount of surface active functional groups decreases and surface roughness increases, but the interfacial adhesion between fiber and matrix enhances after desizing. In addition, the hygrothermal environments dramatically decrease the micro-interphase strength, especially degrade the chemical bond force on the interphase, but interphase properties can partially recover after humidity desorption.
Key wordsT800-grade carbon fiber    composite    interphase    sizing    hygrothermal
收稿日期: 2014-03-08     
1:  TB332  
通讯作者: 罗云烽(1983- ),男,博士,主要从事树脂基复合材料方面研究工作,联系地址:北京市顺义区双河大街中航工贸大楼五层(101300)     E-mail: mselyf@126.com
引用本文:   
罗云烽, 李阳, 肈研, 谢富原. 国产T800级炭纤维表面特性及其复合材料微观界面性能[J]. 材料工程, 2014, 0(9): 83-88.
LUO Yun-feng, LI Yang, ZHAO Yan, XIE Fu-yuan. Surface Characteristics of Domestic T800-grade Carbon Fibers and Microscopic Interphase Properties of Composites. Journal of Materials Engineering, 2014, 0(9): 83-88.
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http://jme.biam.ac.cn/jme/CN/10.11868/j.issn.1001-4381.2014.09.014      或      http://jme.biam.ac.cn/jme/CN/Y2014/V0/I9/83
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