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材料工程  2016, Vol. 44 Issue (4): 45-50    DOI: 10.11868/j.issn.1001-4381.2016.04.008
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
一种碳纤维/环氧预浸料的微波固化特性及其层合板的微波固化工艺研究
陈萍1, 徐学宏2, 李振忠3, 闫超1, 王世杰2, 王小群2
1. 国家商用飞机制造工程技术研究中心, 上海 200436;
2. 北京航空航天大学 材料科学与工程学院, 北京 100191;
3. 辽阳石化分公司研究院, 辽宁 辽阳 111003
Curing Behavior of a Carbon Fiber/Epoxy Prepreg and Curing Processing of Laminates with Microwave Radiation
CHEN Ping1, XU Xue-hong2, LI Zhen-zhong3, YAN Chao1, WANG Shi-jie2, WANG Xiao-qun2
1. National Engineering and Research Center for Commercial Aircraft Manufacturing, Shanghai 200436, China;
2. School of Materials Science and Engineering, Beihang University, Beijing 100191, China;
3. Research Institute of Liaoyang Petrochemical Company, Liaoyang 111003, Liaoning, China
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摘要 采用差示扫描量热法(DSC)和傅里叶变换红外光谱法(FTIR)研究一种碳纤维/环氧预浸料在微波辐射下的固化特性,并对碳纤维/环氧预浸料层合板的微波固化-真空袋成型工艺中存在的真空袋易过热破损的问题进行研究。结果表明:与热固化相比,微波固化能够明显缩短固化时间,而且不会改变最终固化产物的分子结构;碳纤维/环氧预浸料的尺寸大小对其微波固化行为有一定的影响;通过控制微波功率,可以有效地解决在碳纤维/环氧复合材料微波固化过程中存在的真空袋过热破损的问题,且微波固化可获得固化时间控制在60min左右、固化度达95%以上的碳纤维/环氧复合材料层合板,微波固化时间比传统热固化(固化时间大于2h)缩短了一半以上。
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陈萍
徐学宏
李振忠
闫超
王世杰
王小群
关键词 碳纤维环氧预浸料微波固化真空袋成型    
Abstract:The curing behavior of a carbon fiber/epoxy prepreg under microwave radiation was investigated using differential scanning calorimetry(DSC) and Fourier transform infrared spectroscopy(FTIR), respectively. The carbon fiber/epoxy composite laminates were manufactured through microwave curing-vacuum bag molding process, and the existing overheating and broken issues of vacuum bags were studied. The results show that compared with thermal curing, microwave curing can significantly shorten curing time without altering molecular structure of the cured products. It seems that the size of the carbon fiber/epoxy prepreg influences its microwave curing characteristic. The problem of vacuum bag breakage, due to overheating in microwave curing of carbon fiber/epoxy composites, can be solved by controlling the microwave power, and the fabrication of the laminates with microwave radiation can be accomplished in about 60 minutes with more than 95% curing degree, indicating that microwave processing is shortened by more than half of curing time than conventional thermal curing(curing time more than 2h).
Key wordscarbon fiber    epoxy    prepreg    microwave curing    vacuum bag molding
收稿日期: 2014-07-03      出版日期: 2016-04-19
中图分类号:  TB332  
通讯作者: 王小群(1969-),女,副教授,博士,主要从事增韧树脂、高阻隔树脂、复合材料以及环氧树脂微波固化方面的研究,联系地址:北京市海淀区学院路37号北京航空航天大学为民楼704房间(100191)     E-mail: wangxiaoqun@buaa.edu.cn
引用本文:   
陈萍, 徐学宏, 李振忠, 闫超, 王世杰, 王小群. 一种碳纤维/环氧预浸料的微波固化特性及其层合板的微波固化工艺研究[J]. 材料工程, 2016, 44(4): 45-50.
CHEN Ping, XU Xue-hong, LI Zhen-zhong, YAN Chao, WANG Shi-jie, WANG Xiao-qun. Curing Behavior of a Carbon Fiber/Epoxy Prepreg and Curing Processing of Laminates with Microwave Radiation. Journal of Materials Engineering, 2016, 44(4): 45-50.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2016.04.008      或      http://jme.biam.ac.cn/CN/Y2016/V44/I4/45
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