Fiber-matrix interface - information from experiments via simulation

George N Frantziskonis, Prasanna Karpur, Theodore E. Matikas, S. Krishnamurthy, Paul D. Jero

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This study explores a novel procedure for obtaining quantitative information on the mechanical properties of the fiber-matrix interface in composite materials. The method, based on lattice discretization of a medium, simulates actual experiments in detail, including fiber breakage, matrix yield and/or cracking, and interface failure. The paper concentrates on two experiments performed commonly, the so-called fragmentation test for metal matrix, and the pushout/pullout test for metal as well as ceramic matrix composites. Based on the documented capability of the method to simulate actual experimental data, reliable values of (homogenized) interface properties can be obtained. In addition, the simulations provide further understanding of the mechanisms involved during the relevant testing. Although this study presents results from basic problems, the method is general enough to include effects of residual stress, of high temperature environment, and of dynamic crack propagation, as well as three-dimensional details of the interface failure process. The potential exists for simulating nondestructive wave-based techniques aimed at evaluating interface properties.

Original languageEnglish (US)
Pages (from-to)231-247
Number of pages17
JournalComposite Structures
Volume29
Issue number3
DOIs
StatePublished - 1994

Fingerprint

Ceramic matrix composites
Fibers
Cermets
Crack propagation
Residual stresses
Metals
Experiments
Mechanical properties
Composite materials
Testing
Temperature

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Ceramics and Composites

Cite this

Fiber-matrix interface - information from experiments via simulation. / Frantziskonis, George N; Karpur, Prasanna; Matikas, Theodore E.; Krishnamurthy, S.; Jero, Paul D.

In: Composite Structures, Vol. 29, No. 3, 1994, p. 231-247.

Research output: Contribution to journalArticle

Frantziskonis, George N ; Karpur, Prasanna ; Matikas, Theodore E. ; Krishnamurthy, S. ; Jero, Paul D. / Fiber-matrix interface - information from experiments via simulation. In: Composite Structures. 1994 ; Vol. 29, No. 3. pp. 231-247.
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