Title
Influence of material and interface properties on the overall behaviour of particle reinforced steel with focus on the phase transformation capabilities of the individual components Influence of material and interface properties on the overall behaviour of particle reinforced steel with focus on the phase transformation capabilities of the individual components
Author
Faculty/Department
Faculty of Applied Engineering Sciences
Publication type
article
Publication
Düsseldorf :Verlag Stahleisen ,
Subject
Physics
Engineering sciences. Technology
Source (journal)
Steel research international. - Düsseldorf
Volume/pages
82(2011) :9 , p. 1022-1031
ISSN
1611-3683
ISI
000295940600007
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
The influence of the volume content and the interface properties of ZrO(2) particles on the overall response of a TRIP steel-ZrO(2) composite is investigated. Materials with three different zirconia contents and two different interface types, perfectly bonded and non-cohesive, respectively, were considered, which led to six composite variants. The calulations of the material responses were performed using representative volumes of the composites and the finite element analysis (FEA). Uniaxial loading as well as biaxial loading was applied to the representative volume elements in order to study the influence of different loading conditions on the phase transformation behaviour. The results indicate that the enrichment of the TRIP steel with zirconia particles leads to a significant strengthening effect in both uniaxial and biaxial loading provided the interface has cohesive properties. Regarding the non-cohesive interface, a performance improvement could not be found compared to the pure TRIP steel because of the impossibility of transferring tensile stresses into the zirconia inclusions.
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