NDLI: Investigation of carbon fiber composite stiffened skin with vacuum assisted resin infusion/prepreg co-curing process

Content Provider	Springer Nature Link
Author	Ma, XuQiang Gu, YiZhuo Li, Min Li, YanXia Zhang, ZuoGuang
Copyright Year	2014
Abstract	Co-cured vacuum assisted resin infusion process (co-VARI process), which combined vacuum assisted resin infusion (VARI) with prepreg vacuum bag only process (VBO), was adopted to fabricate T-shaped stiffened skin with non-crimp fabric (NCF) stiffener and prepreg skin. During compaction stage of co-VARI process, prepreg resin impregnated fiber fabric under elevated temperature and vacuum pressure. This phenomenon was characterized by fluorescent micrographs with different holding temperature and time. Its influences on processing quality and mechanical performance for co-VARI stiffened skin with different filler materials at triangular region were further analyzed by optical micrographs and pull-off test, respectively. The results show that increasing holding temperature and prolonging holding time can promote prepreg resin impregnation in fiber fabric. Moderate prepreg resin impregnation is favorable to reduce resin rich region and increase fiber volume fraction at prepreg-fabric interface. Moreover, prepreg resin impregnation effect plays significant roles on pull-off performance for co-VARI stiffened skin with fabric filler but has negligible influences on specimens with prepreg filler. In addition, compared with stiffened skin with fabric filler, superior processing quality and pull-off performances are achieved for co-VARI stiffened skin with prepreg core filler. These results are helpful to optimize processing procedures and fabricate composite structure by co-VARI process.
Starting Page	1956
Ending Page	1966
Page Count	11
File Format	PDF
ISSN	16747321
Journal	Science in China Series E: Technological Sciences
Volume Number	57
Issue Number	10
e-ISSN	18691900
Language	English
Publisher	Science China Press
Publisher Date	2014-10-09
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	polymer-matrix composites prepreg vacuum assisted resin infusion stiffened skin structure co-curing Engineering
Content Type	Text
Resource Type	Article
Subject	Engineering Materials Science

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