Homogenization modeling of thin-layer-type microstructures

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The purpose of this paper is to introduce a homogenization method for the material behavior of two-phase composites characterized by a thin-layer-type microstructure. Such microstructures can be found for example in thermally-sprayed coating materials like WC/Fe in which the phase morphology takes the form of interpenetrating layers. The basic idea here is to idealize the thin-layered microstructure as a first-order laminate. Comparison of the methods with existing homogenization schemes as well as with the reference finite-element model for idealized composites demonstrates the advantage of the current approach for such microstructures. Further an extension of the approach to a variable interface orientation is presented. In the end the current method is compared to results based on FE-models of real micrographs.
Original languageEnglish
JournalInternational Journal of Solids and Structures
Volume49
Issue number13
Pages (from-to)1828-1838
Number of pages11
ISSN0020-7683
DOIs
Publication statusPublished - 15.06.2012
Externally publishedYes

Bibliographical note

Funding Information:
Partial financial support for this work provided by the German Science Foundation (DFG) under contract SFB 708 is gratefully acknowledged.

    Research areas

  • Engineering - Microstructure, Laminate, composites, homogenization, Viscoplasticity, energy functional

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