Studies into a material to improve the power density of powershift transmissions and brake systems have revealed that the porosity and elasticity of wet friction materials have a large influence on dynamic friction coefficient and energy absorption capacity. From this basic idea, a new wet friction material for heavy-duty application has been developed.This friction material is a resin molding composed principally of high heat-resistant resin, graphite and fibers. Its advantages include a far higher energy absorption capacity than current sintered bronze material, a high friction coefficient, excellent slip endurance, and high thermal stability. These characteristics are mainly the result of a manufacturing method which provides low elasticity and high porosity, as well as necessary strength.The results of extensive testing confirmed the concept of the new friction material.


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    Title :

    Development of New Friction Material for Heavy Duty Application


    Additional title:

    Sae Technical Papers


    Contributors:
    Shibata, A. (author) / Fujihara, M. (author) / Nakazawa, S. (author) / Kuse, T. (author)

    Conference:

    International Off-Highway & Powerplant Congress & Exposition ; 1994



    Publication date :

    1994-09-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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