The disclosure relates to a lubrication-free piece having a friction surface that rubs against a second surface, the lubrication-free piece having at least one structure made from spheroidal graphite cast iron or steel, the external surface of the piece including at least one layer of lubricating thermoplastic polymers, wherein the lubrication-free piece includes a nickel/aluminium-based intermediary layer between the spheroidal graphite cast iron or steel structure and the layer of lubricating thermoplastic polymers.


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    Title :

    PIECE POUR DISPOSITIF FERROVIAIRE SANS GRAISSAGE


    Contributors:

    Publication date :

    2016-04-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL / B61J Verschieben oder Rangieren von Schienenfahrzeugen , SHIFTING OR SHUNTING OF RAIL VEHICLES / F16C SHAFTS , Wellen



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