The thermo-mechanical coupling finite element models of disc brakes made of aluminum metal matrix composites and cast iron for a passenger car under different emergency braking conditions were deveoped. And the braking process for brake disc was simulated by using finite element method. By analyzing distributions of the temperature field and stress field of the two brake discs with different thickness under emergency braking conditions, the weight reduction of the brake discs by using aluminum metal matrix composites substrate for cast irons was discussed and the simulation resusts showed that brake discs made of aluminum metal matrix composties can be used for passenger cars.
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Cui et al. (2013) studied this question.