[en] This paper presents an experimental characterization of the quasi-static mechanical response of a TA-6V titanium alloy in sheet form. Monotonic tests, such as uniaxial tension and compression, plane strain and simple shear, were conducted along several orientations in the plane of the sheet in order to investigate the plastic anisotropy and the tension-compression asymmetry displayed by the material at the macroscopic scale. It was observed a moderate anisotropy in yielding while the anisotropy in r-ratios is very pronounced. Initial yielding is described using criteria that account for both plastic anisotropy and strength differential effects. Comparison between experimental data and FE simulation results illustrates the ability of the model to predict the mechanical response of TA-6V.
Disciplines :
Materials science & engineering
Author, co-author :
Gilles, Gaëtan ; Université de Liège - ULiège > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F
Cazacu, Oana; University of Florida - REEF > Department of Mechanical and Aerospace Engineering
Hammami, Walid ; Université de Liège - ULiège > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F
Habraken, Anne ; Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo
Duchene, Laurent ; Université de Liège - ULiège > Département Argenco : Secteur MS2F > Analyse multi-échelles des matériaux et struct. du gén. civ.
Language :
English
Title :
Experimental and numerical study of TA-6V mechanical behavior in different monotonic loading conditions at room temperature
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