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

JE Masters; KL Reifsnider

doi:10.1520/STP34320S

SYMPOSIA PAPER Published: 01 January 1982

STP34320S

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

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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

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

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