Friction performance of paper-based materials for wet clutches in automotive automatic transmissions is influenced by the entire structure of the material, which is characterized by a combination of porosity and visco-elasticity. In the clutch plate engagement process, the coefficient of friction is higher when the porosity of the material is higher.In this paper, visco-elasticity of the material was measured by a testing apparatus which was originally designed and built. It has become clear that the compressive visco-elastic deformation increases as the porosity becomes higher.The relationship between the compressive visco-elastic deformation of the material and the friction torque curve of the clutch plate was also analyzed. It was found that the friction torque curve of a clutch plate is influenced by the visco-elasticity of the material as well as the porosity.


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    Titel :

    Influence of Paper-Based Friction Material Visco-Elasticity on the Performance of a Wet Clutch


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    SAE International Congress and Exposition ; 1997



    Erscheinungsdatum :

    1997-02-24




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Influence of Paper-Based Friction Material Visco-Elasticity on the Performance of a Wet Clutch

    Matsumoto, T. / Society of Automotive Engineers | British Library Conference Proceedings | 1997




    Clutch Friction Material Evaluation Procedures

    Spokas, Romas B. | SAE Technical Papers | 1984


    Clutch Friction Material Evaluation Procedures

    Spokas,R.B. / Borg-Warner,Rockford Div.,US | Kraftfahrwesen | 1984