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History effect on squeal with a mesoscopic approach to friction materials

type de publication      article dans une revue internationale avec comité de lecture
date de publication 2017
auteur(s) Magnier Vincent; Naidoo Ramasami Davis; Brunel Jean-François; Dufrenoy Philippe; Chancelier T.
journal (abréviation) Tribology International (Tribol Int)
volume (numéro) 115
pages 600 – 607
résumé Friction pads are made by a recipe of numerous components leading to a heterogeneous material. The originality of this paper is firstly to propose a method leading to identify local mechanical properties of friction a pad, performed at different locations, via an indentation test. Secondly, the mechanical properties obtained for each location are introduced in a modeling to perform a complex modal analysis. A comparison with an equivalent homogeneous friction pad is performed to highlight the difference. Finally, the previous approach is extended to other friction pads which have been submitted to the same test sequence but interrupted at different times to investigate the history effect.
mots clés Heterogeneity properties Indentation tests Squeal History effect
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