Article (Scientific journals)
Material behavior of the hexagonal alpha phase of a titanium alloy identified from nanoindentation tests
Gerday, Anne-Françoise; Ben Bettaieb, Mohamed; Duchene, Laurent et al.
2011In European Journal of Mechanics. A, Solids, 30, p. 248-255
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Keywords :
Finite Element Modeling (FEM); nanoindentation; titanium alloy; slip system activation; hexagonal alpha phase; LIMARC
Abstract :
[en] This article focuses on the numerical modeling of nanoindentation tests performed on the hexagonal a phase of Ti-5553 alloy in order to identify its mechanical behavior. The main goal consists in determining the relative strength of the slip modes in the a phase of Ti-5553. This work was performed using an elastoviscoplastic crystal plasticity-based constitutive law. The difficulties in determining the slip systems that can be activated and their corresponding critical resolved shear stresses (CRSS) are discussed. Numerical predictions are compared to experimental nanoindentation curves.
Disciplines :
Materials science & engineering
Author, co-author :
Gerday, Anne-Françoise ;  Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo
Ben Bettaieb, Mohamed ;  Université de Liège - ULiège > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F
Duchene, Laurent  ;  Université de Liège - ULiège > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F
Clement, N.
Diarra, Harona ;  Université de Liège - ULiège > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F
Habraken, Anne  ;  Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo
Language :
English
Title :
Material behavior of the hexagonal alpha phase of a titanium alloy identified from nanoindentation tests
Publication date :
2011
Journal title :
European Journal of Mechanics. A, Solids
ISSN :
0997-7538
Publisher :
Gauthier-Villars, Paris, France
Volume :
30
Pages :
248-255
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 22 December 2010

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