Automotive friction materials evolution during the past decade

Selection of Best Formulation for Semi-Metallic Brake Friction Materials Development

“…It can be seen from the fade test, the coefficient of friction decreases with increased in temperature. This is attributed to physical and mechanical, chemical and microstructural changes on the contact surface [Scieszka, 1980;Jacko, 1977;Talib et al, 2003;Ingo et al, 2004].…”

“…Friction is a continuous process but wear is a more complicated process than friction because it involves plastic deformation plus localised fracture event (Rigney, 1997), microstructural changes (Talib et al, 2003), and chemical changes (Jacko, 1977). Wear process in dry sliding contacts begins with particle detachment from the contact material surface due to formation of plastic deformation, material transfers to the opposite mating surface and formation of mechanical alloyed layers (Chen & Rigney 1985), finally elimination of wear fragments from the tribosystem as the wear debris.…”

“…Wear process in dry sliding contacts begins with particle detachment from the contact material surface due to formation of plastic deformation, material transfers to the opposite mating surface and formation of mechanical alloyed layers (Chen & Rigney 1985), finally elimination of wear fragments from the tribosystem as the wear debris. Wear mechanism in the operation during braking is a complex mechanism and no single mechanism was found to be fully operating (Rhee, 1973(Rhee, & 1976Bros & Sciesczka, 1977;Jacko et al, 1984;Talib et. al.…”

Programming for Vehicle Disc Pad Static a#956; Test by Dynamometer

“…It not only influences the vehicle braking performance, but also links to the safety for driver and passengers [1].…”

Climate Based Performance of Carbon-Carbon Disc Brake for High Speed Aircraft Braking System

“…Automotive braking systems are normally made of steel or grey cast iron and are then paired with polymer-composite pads 1 . These types of materials are suitable for use in braking systems with moderate loads with a limited temperature capability, where they exhibit a relatively high and stable friction coefficient, a low-wear rate and are quiet during operation 2 .…”