Étude des mécanismes d'adhésion entre une gomme caoutchouc et un fil métallique revêtu d'une couche mince déposée par plasma

Abstract : The primary objective of this thesis project is to develop a plasma process able to replace the electrolytic brass plating process, which is currently performed on steel wires used as reinforcing materials in tires to make them bond with rubber. The chosen strategy consists in depositing organo-chlorinated thin films in a continuous way on zinc-plated steel wires going across a tubular atmospheric pressure dielectric barrier discharge in a wire-cylinder configuration. In a first time, works focus on characterization of both the discharge and the plasma layer, deposited in the static (substrate stationary in the reactor) and dynamic (moving substrate) modes. Relationships are established between the plasma parameters (power dissipated in the discharge, high voltage source frequency, precursor flow rate), the discharge properties and the thin film characteristics. Morphological, kinetic and chemical studies of the plasma layer are carried out. In a second time, the substrate surface preparation and the coating are optimized to enhance the adhesion between zinc-plated steel wires and rubber. Analyses are performed to identify the new adhesion interface nature. At the end of this study, hypotheses concerning the adhesion origin in this system are formulated
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Cédric Vandenabeele. Étude des mécanismes d'adhésion entre une gomme caoutchouc et un fil métallique revêtu d'une couche mince déposée par plasma. Autre [cond-mat.other]. Université de Lorraine, 2014. Français. ⟨NNT : 2014LORR0047⟩. ⟨tel-01750750⟩

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