Title
Deformation and failure of open-cell foams made of TRIP-steel-ZrO2-composite materials : experimental observations versus numerical simulations Deformation and failure of open-cell foams made of TRIP-steel-ZrO2-composite materials : experimental observations versus numerical simulations
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. 1004-1016
ISSN
1611-3683
ISI
000295940600005
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
The aim of the study is to clarify how far it is possible to describe the mechanical behavior of novel TRIP-Steel/Mg-PSZ composite open-cell foam structures using beam networks generated from random tessellations. Conventional compression tests were performed with various foam samples. Furthermore, the deformation of open-cell composite foams was observed as well by X-ray computed tomography (XCT). Up to a compressive strain of 20% different stages of deformation could be observed. Respective bulk samples were manufactured by powder metallurgy and tested in order to determine the mechanical properties of the bulk material. Numerical simulations were employed based on the suitable modeling of foams exposed to mechanical loading. The predictions of the simulation are compared with the results of the deformation experiments.
E-info
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