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Analysis of Temperature Distribution Behavior of Motorcycle Brake Pads



The gradual phasing-out of asbestos in motorcycles brake friction materials in many parts of the world has sparked the onset of extensive research and development into safer alternatives. As a result, the brake friction industry has seen the birth of different brake pads and shoes in the past decade, each with their own unique composition, yet performing the very same task and claiming to be better than others. This suggests that the selection of brake pad design geometry surface is based more on original shape and simulation trial and error rather than fundamental understanding. This analysis strives to eliminate the cloud of uncertainty by providing an insight into the pros and cons of the geometry surface shape of motorcycle brake pad and make-up used in contemporary temperature behavior distribution on pads and shoes. In this analysis brake pad design are reviewed and their advantages and disadvantages in contemporary brake applications are discussed.
... Owing to the complexity and high cost of laboratory test dealing with the stress distribution and thermal response of palm slag brake pad composite, it is of interest to investigate the possibility to use finite element analysis in order to reduce the necessary number of experiments. In a previous study, three-dimensional transient temperature field of brake shoe during hoist's emergency braking [1], temperature and thermal stresses in a pad during braking [2], investigation of heat transfer phenomena in a ventilated disk brake rotor with straight radial rounded vanes [3], and more recently the temperature behavior from the new design geometry shape of motorcycle brake pad was analyzed to compare datum design with new design to determine the best design of motorcycle brake pads [4]. Hwang and Wu investigated the temperature and thermal stress in the ventilated disc-pad brake during single brake by basing their study on multi-body technique and 3D thermo mechanical coupling model [5]. ...
... The stress distribution and thermal response of brake pad from simulation result can be analyzed. The results will be compared with finite element simulations of the brake pad design in associated paper [4]. ...
... We developed five kinds of new design geometry surface as palm slag brake pad models. A series of finite element analysis has been conducted [4] which is an assemblage of discrete pieces called elements, which are connected, together at a finite number of points called nodes. Loading boundary conditions are then applied to these elements and nodes. ...
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This paper is a part of a work aimed at obtaining engineering models of stress distribution and thermal response for the new design geometry shapes of palm slag brake pad composite. 3D finite element simulations have been conducted for brake pad and rotor system using finite element code ANSYS. The stress distribution and temperature response of brake pads for this investigation was significantly influenced by the surface design of brake pads.
... Although numerous studies relating to the wear behaviors have been conducted, the mechanism of motorcycle brake pad failure in wear has not been well understood. The main effect of motorcycle brake pads performance was found to be contribution of on heat transfer coefficient, temperature, total heat, and brake pads geometry [1], [2]. Much of this understanding of motorcycle brake pads performance has been obtained on the basis of mechanical test. ...
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This paper presents a number of experimental data and techniques used in performance of commercial and palm slag motorcycle brake pads. The experiments include wear and hardness tests. The wear behavior of motorcycle brake pad that was observed in the study on sliding contact member brake discs results in the conversion of kinetic energy into heat at the pad and disc interface leads to this investigation. The effects of speed of disc brake rotor are presented. Experimental results of the respective tests are presented on two motorcycle brake pads, namely commercial brake pad (CBP) and palm slag brake pad (PBP). It was found that the wear behavior of palm slag brake pad is influenced by design of geometry shape of motorcycle brake pad. The wear behavior of CBP and PBP composite depend on wet and dry condition. It is clearly seen that wear behavior of PBP composite increase significantly with dry condition. Wear behavior increase significantly with the increase of rotor speed. With increasing speed of rotor disc, the hardness of PBP composite changes from low hardness to a more stable hardness behavior.
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