For many years brakes with carbon/carbon discs have been state-of-the-art in aircraft and Formula One racing cars. The high material prices and the insufficient stability of the coefficient of friction over temperature and moisture prohibited their application in high speed trains and production vehicles. A new ceramic matrix composite material (CMC), originally developed for the heat shields of spacecraft, fabricated in a simple and short production route, combines the inherent advantages of carbon/carbon with extremely low abrasive and oxidative wear and high coefficients of friction. Under series production the prices could be competitive to carbon/carbon and offer a wide market for high performance brakes. This paper deals with the description of the material's manufacturing and properties and with first results of its use as a friction material.
CNC materials for high performance brakes
Verbundwerkstoffe mit keramischer Matrix für Hochleistungsbremsen
1994
7 Seiten, 5 Bilder, 2 Tabellen, 9 Quellen
Aufsatz (Konferenz)
Englisch
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