Modelling Interfacial Debonding in Titanium Matrix Composites

Clifford Jesse Lissenden, III, Carl T. Herakovich

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)

Abstract

The results of an experimental program in which multiaxial loads were applied to [04] and [45]8 silicon carbide/titanium (SiC/Ti) tubes are reviewed showing that stress coupling, matrix viscoplasticity (including room temperature creep) and fiber/matrix interfacial damage all contribute to nonlinear response and permanent strains in titanium matrix composites (TMC). A micromechanical model that explicitly considers the aforementioned phenomena is presented herein. The model assumes a periodic microstructure and uses finite elements to analyze a representative volume element. The composite is assumed to be in a state of generalized plain strain making it possible to discretize only a generic transverse plane while still being able to apply three-dimensional loading though appropriate boundary conditions. The response of laminated composites is predicted using the lamina response predicted by the micromechanical model in nonlinear lamination theory. Predictions are presented to show the influence of the model parameters on the effective composite response of unidirectional [04] and angle-ply [45]s TMC laminates.

Original languageEnglish (US)
Title of host publicationStudies in Applied Mechanics
Pages239-259
Number of pages21
EditionC
DOIs
StatePublished - Jan 1 1994

Publication series

NameStudies in Applied Mechanics
NumberC
Volume41
ISSN (Print)0922-5382

Fingerprint

Debonding
Titanium
Composite materials
Viscoplasticity
Laminated composites
Silicon carbide
Laminates
Creep
Boundary conditions
Microstructure
Fibers
Temperature

All Science Journal Classification (ASJC) codes

  • Computational Mechanics
  • Mechanics of Materials

Cite this

Lissenden, III, C. J., & Herakovich, C. T. (1994). Modelling Interfacial Debonding in Titanium Matrix Composites. In Studies in Applied Mechanics (C ed., pp. 239-259). (Studies in Applied Mechanics; Vol. 41, No. C). https://doi.org/10.1016/B978-0-444-81800-3.50016-X
Lissenden, III, Clifford Jesse ; Herakovich, Carl T. / Modelling Interfacial Debonding in Titanium Matrix Composites. Studies in Applied Mechanics. C. ed. 1994. pp. 239-259 (Studies in Applied Mechanics; C).
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Lissenden, III, CJ & Herakovich, CT 1994, Modelling Interfacial Debonding in Titanium Matrix Composites. in Studies in Applied Mechanics. C edn, Studies in Applied Mechanics, no. C, vol. 41, pp. 239-259. https://doi.org/10.1016/B978-0-444-81800-3.50016-X

Modelling Interfacial Debonding in Titanium Matrix Composites. / Lissenden, III, Clifford Jesse; Herakovich, Carl T.

Studies in Applied Mechanics. C. ed. 1994. p. 239-259 (Studies in Applied Mechanics; Vol. 41, No. C).

Research output: Chapter in Book/Report/Conference proceedingChapter

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AB - The results of an experimental program in which multiaxial loads were applied to [04] and [45]8 silicon carbide/titanium (SiC/Ti) tubes are reviewed showing that stress coupling, matrix viscoplasticity (including room temperature creep) and fiber/matrix interfacial damage all contribute to nonlinear response and permanent strains in titanium matrix composites (TMC). A micromechanical model that explicitly considers the aforementioned phenomena is presented herein. The model assumes a periodic microstructure and uses finite elements to analyze a representative volume element. The composite is assumed to be in a state of generalized plain strain making it possible to discretize only a generic transverse plane while still being able to apply three-dimensional loading though appropriate boundary conditions. The response of laminated composites is predicted using the lamina response predicted by the micromechanical model in nonlinear lamination theory. Predictions are presented to show the influence of the model parameters on the effective composite response of unidirectional [04] and angle-ply [45]s TMC laminates.

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Lissenden, III CJ, Herakovich CT. Modelling Interfacial Debonding in Titanium Matrix Composites. In Studies in Applied Mechanics. C ed. 1994. p. 239-259. (Studies in Applied Mechanics; C). https://doi.org/10.1016/B978-0-444-81800-3.50016-X