Title
Study of reinforcing mechanisms in TRIP-matrix composites under compressive loading by means of micromechanical simulations Study of reinforcing mechanisms in TRIP-matrix composites under compressive loading by means of micromechanical simulations
Author
Faculty/Department
Faculty of Applied Engineering Sciences
Publication type
article
Publication
Weinheim ,
Subject
Physics
Source (journal)
Advanced engineering materials. - Weinheim
Volume/pages
15(2013) :7 , p. 542-549
ISSN
1438-1656
ISI
000327774900002
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
TRIP-matrix composites consist of austenitic steel and a partially stabilized zirconia, which yields a composite that can undergo a martensitic phase transformation in both components. Numerical analysis of the deformation and transformation behavior of such a composite is carried out by means of unit cell studies. The micromechanical simulations are conducted to separate and evaluate the two reinforcing mechanisms, namely the particle strengthening effect and the transformation effect in the partially stabilized zirconia. It is found that the phase transformation proceeds in a heterogeneous manner both in the matrix and the inclusion. The degree of inhomogeneity of transformation inside the inclusion is controlled by the interface strength.
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