That a friction material needs to provide adequate braking forces over a wide range of operating conditions is axiomatic. Since the range of conditions encompasses temperatures from -40 Cel to 800 Cel, interface pressures up to 10 MPa and rubbing speeds up to 22 m/s, this alone represents a considerable technical challenge but it is not the only aspect in which the material is expected to perform. This paper describes the first steps in a long term development to improve the mathematical modelling of brakes. A modelling technique is described to assess cracking liability under a simplified but representative thermal load and the results are validated by experiment. The influence of various design parametes is discussed and the model is extended to involve mechanical loading and the complex nature of the thermal-mechanical properties or real materials. Finally future developments are indicated.
Computational analysis of disc pad performance
Rechnergestützte Analyse der Leistung von Bremsbelägen in Scheibenbremsen
1993
12 Seiten, 11 Bilder, 4 Tabellen, 3 Quellen
Aufsatz (Konferenz)
Englisch
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