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RESEARCH PAPERS

Microscale Arrangement Effects on the Thermomechanical Behavior of Advanced Two-Phase Materials

[+] Author and Article Information
H. J. Böhm, F. G. Rammerstorfer

Christian Doppler Laboratory, “Micromechanics of Materials,” Institute of Light Weight Structures and Aerospace Engineering (TU Vienna), A-1040 Wien, Austria

F. D. Fischer, T. Siegmund

Christian Doppler Laboratory, “Micromechanics of Materials,” Institute of Mechanics (MU Leoben), A-8700 Leoben, Austria

J. Eng. Mater. Technol 116(3), 268-273 (Jul 01, 1994) (6 pages) doi:10.1115/1.2904285 History: Received August 20, 1993; Revised January 13, 1994; Online April 29, 2008

Abstract

Finite Element based micromechanical methods are used to study the influence of microscale phase arrangements on the overall and microscale thermomechanical properties of two advanced two-phase materials, duplex steels and unidirectional continuously reinforced metal matrix composites (MMCs). Both inclusion-matrix topologies and interwoven microgeometries are investigated for duplex steels, and the predicted macroscopic transverse elastoplastic responses are correlated with quantitative stereological descriptions of the microgeometries. For the MMCs, the emphasis is put on the influence of the fiber arrangement on the microscale residual stress states of the as-produced material and on their effects on damage mechanisms.

Copyright © 1994 by The American Society of Mechanical Engineers
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