Article (Scientific journals)
Identification of a soft matrix-hard inclusion material by indentation
Tran, Hoang Son; Bouffioux, Chantal; Dedry, Olivier et al.
2022In International Journal of Mechanical Sciences, p. 107723
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Keywords :
Mechanical Engineering; Mechanics of Materials; Condensed Matter Physics; General Materials Science; Civil and Structural Engineering
Abstract :
[en] A new procedure for identifying the mechanical behavior of individual phases within a bi-material (matrix-particles) is presented. The case of AlSi10Mg (large globularized Si-rich particles surrounded by an α-Al phase) processed by additive manufacturing and post-treated is taken as a typical example. Grids of nano-indentation tests are performed at different locations on the nanocomposite using a Berkovich indenter and show an impact of the hard inclusions on the experimental curves. The elastoplastic properties of the matrix are identified based on the lowest load–indentation depth curves. Several representative finite element (FE) models demonstrate the influence of the particles on the nano-indentation response. The capacity of the FE model to predict the indentation curve of a cube corner indenter experiment and the Berkovich grid result scattering was checked. A representative volume element (RVE) based on a scanning electron microscope (SEM) image is defined. The identified material parameters of the α-Al phase and Si phase, it allows the prediction of the stress-strain curve of a macroscopic experimental tensile test.
Disciplines :
Materials science & engineering
Author, co-author :
Tran, Hoang Son  ;  Université de Liège - ULiège > Département ArGEnCo > Département Argenco : Secteur MS2F
Bouffioux, Chantal ;  Université de Liège - ULiège > Département ArGEnCo > Département Argenco : Secteur MS2F
Dedry, Olivier  ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M)
Rojas Ulloa, Carlos Eduardo  ;  Université de Liège - ULiège > Département ArGEnCo > Département Argenco : Secteur MS2F
Duchene, Laurent  ;  Université de Liège - ULiège > Département ArGEnCo > Analyse multi-échelles dans le domaine des matériaux et structures du génie civil
Mertens, Anne  ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M)
Habraken, Anne  ;  Université de Liège - ULiège > Département ArGEnCo > Département Argenco : Secteur MS2F
Language :
English
Title :
Identification of a soft matrix-hard inclusion material by indentation
Publication date :
08 September 2022
Journal title :
International Journal of Mechanical Sciences
ISSN :
0020-7403
Publisher :
Elsevier BV
Pages :
107723
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
LongLifeAM
Funders :
Région wallonne [BE]
Funding number :
Wal Innov Convention 1810016
Available on ORBi :
since 12 September 2022

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