In addition to the performances of the ceramic materials themselves, development of joining technologies of ceramic wheels with metal shafts is very important for putting ceramic rotors into practical use. Though silicon nitride has excellent strength at high temperature and is best suited as the ceramic wheel material, the corresponding bonding technology for its use in turbo-chargers has not been totally successful to this point in time.This report presents the brazing technology of the ceramic rotors, which were successfully developed and first introduced into the market in 1985. Currently there are two types of ceramic rotors(Fig. 1) being manufactured using the same brazing technology as described herein. The major points are as follows:
Development of Brazing Technology for Ceramic Turbocharger Rotors
Sae Technical Papers
SAE International Congress and Exposition ; 1988
1988-02-01
Aufsatz (Konferenz)
Englisch
Development of brazing technology for ceramic turbocharger rotors
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