SYMPOSIA PAPER Published: 01 January 1986

Effect of Impact and Fatigue Loads on the Strength of Graphite/Epoxy Composites


An extensive experimental investigation on a graphite/epoxy (T300/934) composite laminate having an orientation and a stacking sequence of (±45,0,90)2s was conducted to study the behavior of the composite material subjected to several combinations of low-velocity projectile impact and tension-tension fatigue loads. The sequence of loading (impact/cycle or cycle/impact) was changed to study its effect on the strength or the life of the composite materials. The experimental data in impact tests were compared with the corresponding results obtained by using a theoretical model.

Author Information

Avva, VS
University of Maryland, College Park, MD
Vala, JR
FMC Corporation, San Jose, CA
Jeyaseelan, M
University of Maryland, College Park, MD
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Developed by Committee: D30
Pages: 196–206
DOI: 10.1520/STP35349S
ISBN-EB: 978-0-8031-4963-2
ISBN-13: 978-0-8031-0447-1