Interface effects on bulk wave velocities in fiber composites

Michael R. Gosz*, Jan D. Achenbach

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Abstract

Average values of the mechanical properties of the interphases in a unidirectional fiber-reinforced composite have been obtained using a combined experimental and numerical approach. The effective elastic constants of the composite have been determined from measured values of the bulk wave velocities in the composite. Using known values of the mechanical and geometrical properties of the fibers and the matrix, the composite has been modeled by a hexagonal array of fibers in a matrix, and the interphases have been described by a spring-layer model. For known values of the interphase properties, the effective elastic constants have been calculated by carrying out finite element calculations over a representative cell. When the interphase properties are unknown, the finite element procedure has been used in an iterative mode to obtain the interphase properties by systematic comparison between calculated and measured values of the composite's effective elastic constants.

Original languageEnglish (US)
Title of host publicationUltrasonic Characterization and Mechanics of Interfaces
EditorsDennis A. Siginer, William E. VanArsdale, Cengiz M. Altan, Andreas N. Alexandrou
PublisherPubl by ASME
Pages125-133
Number of pages9
ISBN (Print)0791810437
StatePublished - Dec 1 1993
EventProceedings of the 1993 ASME Winter Annual Meeting - New Orleans, LA, USA
Duration: Nov 28 1993Dec 3 1993

Publication series

NameAmerican Society of Mechanical Engineers, Applied Mechanics Division, AMD
Volume177
ISSN (Print)0160-8835

Other

OtherProceedings of the 1993 ASME Winter Annual Meeting
CityNew Orleans, LA, USA
Period11/28/9312/3/93

ASJC Scopus subject areas

  • Mechanical Engineering

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