Author : Chiranjit Sarkar and Harish Hirani

The conventional disc wears out and brake pollutes the environment. In addition, localized heating occurs in the conventional disc brake. To tackle both of these problems, conventional disc brakes can be replaced with magnetorheological (MR) fluids brakes. MR fluids are materials having shear yield stress as a function of magnetic field. On the application of magnetic field, MR particles get aligned and increase shear resistance between relatively moving surfaces. The friction between stator and rotor increases and fulfils the braking function, which means MR fluids can be used as brake friction materials. Understanding of friction behavior is the key factor of satisfactory & reliable working of the brake system. To characterize the friction behavior of MR brake, there is a need to understand the friction behavior of conventional disc brake system. In this research work, experiments have been done to characterize the frictional characteristics of Volvo disk brake system using full-scale brake inertia dynamometer.

Keywords: Full scale brake inertia dynamometer, Volvo disk brake, Pressure speed sensitivity, bade-recovery behavior.

Article published in International Journal of Current Engineering and Technology, Vol.5, No.2 (April-2015)