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Brakes are essential parts of all means of transportation. Their function is to slow or stop a vehicle by friction. Asbestos has been widely used in the production of brake pads. However, its application poses adverse effects on human health and the environment. The aim of this study was to determine the effect of kenaf core fibers as one of the dispersing phases in brake pad composite production. The materials and methods employed in the study, followed procedures in established standards and literatures. The materials were grounded into fine powder and sieved into grade sizes of 100 µm and 200 µm. They were weighed on a digital scale according to a specified composition and mixed thoroughly for about five (5) minutes to obtain homogeneity of the mixture. Afterwards, the mixed compositions were placed inside a 5 cm × 3 cm × 2 cm cylindrical mould. These mixtures were then compacted on a hydraulic press and allowed to dry at an ambient temperature of 37°C. A series of physio-mechanical tests such as porosity, ash content, density, compressive strength, hardness and wear rate were conducted on the developed brake pad samples as well as the control samples. The results showed that the average values for porosity, ash content and density of the developed samples enhanced with kenaf core fibres were 0.813%, 57.25% and 1.389 kg/m 3  respectively. These values compare well with that of the control samples. Also, the hardness, wear rate and compressive strength of the samples enhanced with kenaf fibers gave average values of 121.25 BHN, 10.121×10 -2  g/km and 105.75 MPa respectively. These values also compare well with that of the control samples. From the results gotten and all the properties determined, the study showed that kenaf core fibres has good potentials as dispersing phases for brake pad composite production.

Effect of Kenaf Core Fibre (Hibiscus cannabinus) as one of the Dispersing Phases in Brake Pad Composite Production