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The friction material used in brakes has a considerable impact on the contact situation in the brake disc of a car.
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The interplay between the friction pairs has the greatest impact on the braking performance of the diverse brake regimes. According to studies, PM10 emissions (inhalable particles-particulate materials with dimensions of 10 µm or less) from disc brake wear can account for 50% of overall non-exhaust wear emissions from vehicle transport. It also has a high corrosive tendency and severe material wear throughout the service. These materials are thermally conductive and have a high thermal capacity. The conventional material for brake-discs is usually grey cast iron in the pearlite form with lamellar graphite phases. Because of the constant abrasion, this procedure produces fine particle debris, which certainly harm the environment. Therefore, according to the results, the proposed aluminum base metal matrix nano-composites are valid for replacing existing materials for disc brake rotor applications.įrom a tribological prospect, the brake pad-disc system undergoes severe abrasive and adhesive wear mechanism in the production of wear debris. The maximum von Mises stress value of aluminum alloy disc is about 180 MPa. In addition, the maximum von Mises stress value of AMNC disc is about 184 MPa. The result from static analysis shows that the maximum deformation observed is 0.19 mm for aluminum alloy disc and 0.05 mm for AMNCs disc. From the result of transient thermal analysis, the maximum value of heat flux obtained for aluminum alloy disc is about 8 W/mm2, whereas for AMNCs, the value is increased to 16.28 W/mm2. From the results obtained, aluminum base metal matrix nano-composites have an excellent strength-to-weight ratio when used as disc brake rotor materials, significantly improving the discs’ thermal and mechanical performance. The FEA method is used for the thermo-mechanical analysis of AMNCs for vented disc brake rotor during emergency braking at 70 km/h. As a result, this study uses the finite element method to conduct a thermo-mechanical analysis of aluminum alloy and aluminum matrix nano-composite disc brake rotors to address the abovementioned issues. It is essential to look into and improve strategies to make versatile, thermally resistant, lightweight, high-performance discs. During braking, kinetic energy is transferred to thermal energy, resulting in the intense heating of disc brake rotors that increases proportionally with vehicle speed, mass, and braking frequency. Brake failure generated during braking is a complex phenomenon confronting automobile manufacturers and designers. Analysis of mechanical and thermal behaviors during braking has become an increasingly important issue in many transport sectors for different modes of transportation.