Fretting wear is a very important phenomenon occurring in bladed disks. It causes the blades to be replaced in turbomachines during their life-cycle. Methods exist to predict fretting-wear in quasistatic analysis. However, they do not predict all the phenomena observed in blade attachments on real turbomachines. That is why this study assumes that dynamics plays a role in fretting-wear. This paper is devoted to the realistic modeling 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 nonlinear problem with a good compromise between the approximations made 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.
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January 2010
Research Papers
Dynamic Analysis of Fretting-Wear in Friction Contact Interfaces
Loïc Salles,
Loïc Salles
École Centrale de Lyon,
e-mail: loic.salles@ec-lyon.fr
Laboratoire de Tribologie et Dynamique des Systèmes
, 36 Avenue Guy de Collongue, 69134 Ecully Cedex, France; Snecma—Safran Group
, 77550 Moissy-Cramayel, France; Moscow State University of Technology Named After Bauman
, Moscow 105005, Russia
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Laurent Blanc,
Laurent Blanc
École Centrale de Lyon,
Laboratoire de Tribologie et Dynamique des Systèmes
, 36 Avenue Guy de Collongue, 69134 Ecully Cedex, France
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Fabrice Thouverez,
Fabrice Thouverez
École Centrale de Lyon,
Laboratoire de Tribologie et Dynamique des Systèmes
, 36 Avenue Guy de Collongue, 69134 Ecully Cedex, France
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Alexander M. Gouskov
Alexander M. Gouskov
Moscow State University of Technology Named After Bauman
, Moscow 105005, Russia
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Loïc Salles
École Centrale de Lyon,
Laboratoire de Tribologie et Dynamique des Systèmes
, 36 Avenue Guy de Collongue, 69134 Ecully Cedex, France; Snecma—Safran Group
, 77550 Moissy-Cramayel, France; Moscow State University of Technology Named After Bauman
, Moscow 105005, Russiae-mail: loic.salles@ec-lyon.fr
Laurent Blanc
École Centrale de Lyon,
Laboratoire de Tribologie et Dynamique des Systèmes
, 36 Avenue Guy de Collongue, 69134 Ecully Cedex, France
Fabrice Thouverez
École Centrale de Lyon,
Laboratoire de Tribologie et Dynamique des Systèmes
, 36 Avenue Guy de Collongue, 69134 Ecully Cedex, France
Alexander M. Gouskov
Moscow State University of Technology Named After Bauman
, Moscow 105005, RussiaJ. Eng. Gas Turbines Power. Jan 2010, 132(1): 012503 (9 pages)
Published Online: September 30, 2009
Article history
Received:
April 18, 2008
Revised:
May 6, 2008
Published:
September 30, 2009
Citation
Salles, L., Blanc, L., Thouverez, F., and Gouskov, A. M. (September 30, 2009). "Dynamic Analysis of Fretting-Wear in Friction Contact Interfaces." ASME. J. Eng. Gas Turbines Power. January 2010; 132(1): 012503. https://doi.org/10.1115/1.3028229
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