NDLI: High Strain Rate Compressive Tests on Woven Graphite Epoxy Composites

Content Provider	Springer Nature Link
Author	Allazadeh, Mohammad Reza Wosu, Sylvanus N.
Copyright Year	2010
Abstract	The behavior of composite materials may be different when they are subjected to high strain rate load. Penetrating split Hopkinson pressure bar (P-SHPB) is a method to impose high strain rate on specimen in the laboratory experiments. This research work studied the response of the thin circular shape specimens, made out of woven graphite epoxy composites, to high strain rate impact load. The stress-strain relationships and behavior of the specimens were investigated during the compressive dynamic tests for strain rates as high as 3200 s−1. One dimensional analysis was deployed for analytical calculations since the experiments fulfilled the ratio of diameter to length of bars condition in impact load experiments. The mechanics of dynamic failure was studied and the results showed the factors which govern the failure mode in high strain deformation via absorbed energy by the specimen. In this paper, the relation of particle velocity with perforation depth was discussed for woven graphite epoxy specimens.
Starting Page	311
Ending Page	325
Page Count	15
File Format	PDF
ISSN	0929189X
Journal	Applied Composite Materials
Volume Number	18
Issue Number	4
e-ISSN	15734897
Language	English
Publisher	Springer Netherlands
Publisher Date	2010-08-13
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Compression test High strain rate P-SHPB Woven graphite epoxy Composites material Absorbed energy. Industrial Chemistry/Chemical Engineering Mechanics Polymer Sciences Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites

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