Carbon-graphite and ceramic mating pair has been generally used as water pump mechanical seals of automotive engine. Silicon carbide materials are recently used in order to prevent damage of mechanical seal surfaces by hard solid substances in liquid to be sealed. The silicon carbide material has poor self-lubricity. As a result, seal surfaces sometimes seize or the secondary seal is damaged due to heat generation by friction, resulting in leakage. In order to overcome such a defect, a new carbon-graphite material, which is composed of carbon-graphite powder, chopped carbon fiber and resin, has been developed.Wear resistance, cavitation erosion and sealing tests are performed. The results are compared with those obtained with usual carbon-graphite and silicon carbide. It is found that the carbon-graphite contained a certain amount of chopped carbon fiber has good performance as a material of water pump mechanical seals


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    Titel :

    Advantages of a New Hard Carbon for Water Pump Seals for Automotive Engines


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Ishiyama, Asahiko (Autor:in) / Osada, Haruhiro (Autor:in) / Tomoto, Hideki (Autor:in) / Okada, Ken (Autor:in) / Kaneta, Motohiro (Autor:in)

    Kongress:

    SAE 2004 World Congress & Exhibition ; 2004



    Erscheinungsdatum :

    2004-03-08




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Advantages of a new hard carbon for water pump seals for automotive engines

    Osada,H. / Tomoto,H. / Okada,K. et al. | Kraftfahrwesen | 2004


    Advantages of a New Hard Carbon for Water Pump Seals for Automotive Engines

    Osada, H. / Tomoto, H. / Okada, K. et al. | British Library Conference Proceedings | 2004


    Guide to Automotive Water Pump Seals

    Matsushima,A. / NOK-USA,US | Kraftfahrwesen | 1978


    Guide to automotive water pump seals

    Matsushima, A. | Tema Archiv | 1978


    Guide to Automotive Water Pump Seals

    Matsushima, Akira | SAE Technical Papers | 1978