Analysis of a Buffer Strip Laminate with Fiber and Matrix Damage and Interlaminar Debonding

Author

Lokeswarappa R. Dharani, Missouri University of Science and TechnologyFollow
Carl Patrick Seaton

Abstract

A shear lag solution for a hybrid buffer strip laminate containing initial damage in the form of a rectilinear notch, matrix splitting and interlaminar debonding is presented. The model is a unidirectional monolayer with two symmetric constraint layers that represent angle plies. The intent of the analysis is to estimate the remote strain required to propagate the initial damage and/or to fail the laminate catastrophically. The analytical solution has a set of integral equations in which material and geometric parameters appear explicitly. Some typical results are presented for a graphite/epoxy panel having either high strength and low modulus or low strength and low modulus buffer strips. Matrix damage, angle plies, and interlaminar debonding are shown to affect the damage tolerance capability of buffer strip laminates. © 1987.

Recommended Citation

L. R. Dharani and C. P. Seaton, "Analysis of a Buffer Strip Laminate with Fiber and Matrix Damage and Interlaminar Debonding," Composite Structures, Elsevier, Jan 1987.

The definitive version is available at https://doi.org/10.1016/0263-8223(87)90004-3

Department(s)

Mechanical and Aerospace Engineering

International Standard Serial Number (ISSN)

0263-8223

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 1987 Elsevier, All rights reserved.

Publication Date

01 Jan 1987