Article (Scientific journals)
Micromechanics-Based Damage Analysis of Fracture in Ti5553 Alloy with Application to Bolted Sectors
Ben Bettaïeb, Mohamed; Van Hoof, Thibault; Minnebo, Hans et al.
2015In Journal of Materials Engineering and Performance, 24, p. 1262-1278
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Keywords :
LIMARC; TA6V; Material characterisation
Abstract :
[en] A physics-based, uncoupled damage model is calibrated using cylindrical notched round tensile specimens made of Ti5553 and Ti-6Al-4V alloys. The fracture strain of Ti5553 is lower than for Ti-6Al-4V in the full range of stress triaxiality. This lower ductility originates from a higher volume fraction of damage sites. By proper heat treatment, the fracture strain of Ti5553 increases by almost a factor of two, as a result of a larger damage nucleation stress. This result proves the potential for further optimization of the damage resistance of the Ti5553 alloy. The damage model is combined with an elastoviscoplastic law in order to predict failure in a wide range of loading conditions. In particular, a specific application involving bolted sectors is addressed in order to determine the potential of replacing the Ti-6Al-4V by the Ti5553 alloy.
Disciplines :
Aerospace & aeronautics engineering
Author, co-author :
Ben Bettaïeb, Mohamed;  ENSAM Metz France
Van Hoof, Thibault;  Cenaero Belgique
Minnebo, Hans;  Cenaero Belgique
Pardoen, Thomas;  Université Catholique de Louvain - UCL > IMAP
Dufour, Philippe
Jacques, Pascal;  Université Catholique de Louvain - UCL > IMAP
Habraken, Anne  ;  Université de Liège > Département ArGEnCo > Département ArGEnCo
Language :
English
Title :
Micromechanics-Based Damage Analysis of Fracture in Ti5553 Alloy with Application to Bolted Sectors
Publication date :
21 January 2015
Journal title :
Journal of Materials Engineering and Performance
ISSN :
1059-9495
eISSN :
1544-1024
Publisher :
Springer
Volume :
24
Pages :
1262-1278
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 05 April 2015

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