SYMPOSIA PAPER Published: 01 January 1982
STP34320S

An Investigation of Cumulative Damage Development in Quasi-Isotropic Graphite/Epoxy Laminates

Source

Results of an experimental investigation of cumulative damage development in two unnotched quasi-isotropic graphite/epoxy laminates subjected to quasistatic tension and tension-tension fatigue are presented. Damage development in the form of transverse cracking in all off-axis laminae, longitudinal cracking, and delamination was monitored via the surface replication technique. Results of the study include a detailed description of the chronology of damage development prior to failure. Evidence also is presented in support of a damage model based on the concept of a characteristic damage state.

Author Information

Masters, JE
General Dynamics Corp., Fort Worth, Tex.
Reifsnider, KL
Virginia Polytechnic Institute and State University, Blacksburg, Va.
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Details
Developed by Committee: E08
Pages: 40–62
DOI: 10.1520/STP34320S
ISBN-EB: 978-0-8031-4840-6
ISBN-13: 978-0-8031-0696-3