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Dynamic analysis of fretting-wear in friction contact interfaces
Salles, Loïc; Blanc, Laurent; Thouverez, Fabrice et al.
2008In Proceedings of the ASME Turbo Expo, 5 (PART A), p. 543 - 554
Peer reviewed
 

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Abstract :
[en] Fretting wear is a very important phenomenon occurring in bladed disks. It causes that blades must be replaced in turbomachines during their life-cycle. Methods exist to predict fretting-wear in quasi-static analysis. However they don’t predict all the phenomena observed in blade attachments on real turbomachines. That’s why this study assumes that dynamics plays a role in fretting-wear. This paper is devoted to the realistic modelling and calculation of fretting-wear and dynamical response of structures in unilateral contact with friction. Vibration and wear phenomena present very different scales both in time and space. Therefore the difficulty is in finding methods that enable one to solve the non-linear problem with a good compromise between the approximationsmade about the dynamical aspects and those linked with fretting-wear issues. Here, phenomenological examples are studied. They involve a small number of degrees of freedom with a view to understanding the complex coupling between vibration and fretting-wear. This way, they will show the relative importance of parameters.
Disciplines :
Mechanical engineering
Author, co-author :
Salles, Loïc  ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M)
Blanc, Laurent
Thouverez, Fabrice
Gouskov, Alexander M
Language :
English
Title :
Dynamic analysis of fretting-wear in friction contact interfaces
Publication date :
2008
Event name :
ASME Turbo Expo 2008 Turbomachinery Technical Conference & Exposition
Event organizer :
ASME
Event place :
Berlin, Germany
Event date :
2008
Audience :
International
Journal title :
Proceedings of the ASME Turbo Expo
Volume :
5
Issue :
PART A
Pages :
543 - 554
Peer review/Selection committee :
Peer reviewed
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