Compared with passenger cars and light-duty trucks, rotors for heavy- and medium-duty trucks are subjected to a larger thermal stress, and therefore a material that offers higher thermal fatigue strength is required. For this reason, gray cast iron with nickel, chromium and molybdenum additions has been used as the material for heavy- and medium-duty trucks. Today, some cast steel is also used. Until now, Mitsubishi has used gray cast iron with 1.2% of nickel, plus chromium and molybdenum added in heavy- and medium-duty trucks as the material for disc brake rotors. However, the disadvantage of this material is high cost. In this study, prototype rotor materials for cost reduction have been produced by reducing the amount of nickel and inoculating cerium, and a rig test that simulated the high-speed braking of an actual vehicle has been carried out. Consequently, the relationship between the thermal fatigue strengths of materials, their mechanical and physical properties and the corresponding microstructures has been investigated, and a low-cost disc brake rotor for trucks with high thermal fatigue strength has been developed.


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    Titel :

    Development of disc brake rotors for heavy- and medium-duty trucks with high thermal fatigue strength


    Weitere Titelangaben:

    Entwicklung eines Scheibenbremsenrotors für schwere und mittelschwere Nutzkraftfahrzeuge mit hoher thermischer Ermüdungsfestigkeit


    Beteiligte:
    Yamabe, J. (Autor:in) / Takagi, M. (Autor:in) / Matsui, T. (Autor:in) / Kimura, T. (Autor:in) / Sasaki, M. (Autor:in)


    Erscheinungsdatum :

    2003


    Format / Umfang :

    8 Seiten, 13 Bilder, 6 Tabellen, 7 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





    Development of Disc Brake Rotors for Heavy- and Medium-Duty Trucks with High Thermal Fatigue Strength

    Yamabe, Junichiro / Takagi, Masami / Sasaki, Masanori et al. | SAE Technical Papers | 2003


    2003-01-3372 Development of Disc Brake Rotors for Heavy- and Medium- Duty Trucks with High Thermal Fatigue Strength

    Yamabe, J. / Takagi, M. / Matsui, T. et al. | British Library Conference Proceedings | 2003



    Development of disc brake rotors for trucks with high thermal fatigue strength

    Yamabe, J. / Takagi, M. / Matsui, T. et al. | Tema Archiv | 2002