SYMPOSIA PAPER Published: 01 January 1990

Fiber-Reinforced Composites: Models for Macroscopic Elastic Constants


Considering uniaxial-fiber-reinforced composites, we review selected models for calculating macroscopic elastic constants from the constituent elastic constants (fiber and matrix) and the phase geometry. Especially, we focus on the transverse-isotropic case with five independent elastic-stiffness constants, Cij. Also, we focus on wave-scattering ensemble-average methods developed by Bose and Mal (1974) and by Datta and Ledbetter (1983, 1984). We compare the model results with measurements made by pulse-echo dynamic (MHz) methods. As examples, we consider B/Al and Gr/Mg; the latter fibers possess high elastic anisotropy.

Author Information

Datta, SK
Ledbetter, HM
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Developed by Committee: E28
Pages: 120–134
DOI: 10.1520/STP24620S
ISBN-EB: 978-0-8031-5111-6
ISBN-13: 978-0-8031-1291-9