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Multiaxial fatigue damage modeling of Ti6Al4V alloy
Marmi, Abdeljalil; Habraken, Anne; Duchene, Laurent
2010In Proceedings of the ICMFF9 Conference
Peer reviewed
 

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Keywords :
LIMARC
Abstract :
[en] The aim of this study is to present a new multiaxial fatigue model based on phenomenological approach for the proportional loading. The model estimations are compared to the classical Lemaitre-Chaboche [1] fatigue model and experimental results. The comparison is done by simulation of SN curves of notched and un-notched forged TA6V samples. To take into account the effect of stress gradient near notch root, the applied loads such as stress amplitude and Von Mises stress are affected by the triaxialty function introduced by Lemaitre [2]. The models enhanced by triaxialty function give correct results for life estimation of notched samples.
Disciplines :
Materials science & engineering
Author, co-author :
Marmi, Abdeljalil ;  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 > Département Argenco : Secteur MS2F
Language :
English
Title :
Multiaxial fatigue damage modeling of Ti6Al4V alloy
Publication date :
2010
Event name :
ICMFF9 Conference
Event place :
Parma, Italy
Event date :
7 - 9 June, 2010
Audience :
International
Main work title :
Proceedings of the ICMFF9 Conference
ISBN/EAN :
978-88-95940-31-1
Peer reviewed :
Peer reviewed
Available on ORBi :
since 22 October 2010

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