This study deals with the use of kenaf (Hibiscus canabinus) fibre
as a base friction material in the production of automotive brake
pads. Asbestos fibre has been used as the traditional base material
in brake pads but due to its health hazard, non-renewability, cost,
non-biodegradability and difficulty in processing, the use of plant
fibres that are biodegradable, cost effective, renewable and user
friendly for brake pad production has been investigated in this
work. In order to assess the suitability of kenaf fibre in the
production of automotive brake pads, kenaf stems of 20 m thick were
cut at the base, middle and top sections of the plant and were
examined under a camera fitted optical light microscope with a
stage micrometer. The fibres were retted, bleached and modified
using mercerization, acetylation and semi-carbonisation techniques
to obtain three modified fibres in addition to the crude
fibre.Brake Pads were Produced from these samples and were
evaluated, the performance evaluation results indicated that the
crude fibre based kenaf brake pads have high percentage of porosity
and water absorption capacity with an average value of 38 % and
0.067 g respectively."
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