Monitoring of nylon 6,6/carbon fiber composites processing by X-ray diffraction and thermal analysis

被引:30
作者
Botelho, EC
Nogueira, CL
Rezende, MC [1 ]
机构
[1] Ctr Tecn Aeroesp, Div Mat, Inst Aeronaut & Espaco, BR-12228904 Sao Paulo, Brazil
[2] Ctr Tecn Aeroesp, Dept Engn Aeronaut & Mecan, Inst Tecnol Aeronaut, BR-12228904 Sao Paulo, Brazil
关键词
composites; polyamides; X-ray; processing;
D O I
10.1002/app.11335
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
This work reports a study made to obtain carbon fiber/nylon 6,6 prepreg composites by hot-compression molding. Thermogravimetric analysis (TG) and crystallinity degree determination were carried out to monitor the nylon 6,6 behavior during the different steps of the composite processing. The homogeneity of the carbon fiber/polymer matrix distribution was verified using microscopic analyses and the fiber content was determined by the acid-digestion method. The results show that the processing parameters employed were adequate, allowing the manufacture of laminates with good texture and an adequate reinforcement/matrix relation (60/40). However, improvements need be done to minimize the pullout effect observed in the tensile specimens. (C) 2002 Wiley Periodicals, Inc.
引用
收藏
页码:3114 / 3119
页数:6
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