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The gradual
phasing-out of asbestos in automotive brake friction
materials (ABFM) in many parts of the world has sparked the
onsets 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 claming to be better than
others. This suggests that the selection of brake friction
materials is based more on tradition and experimental trial
and error rather fundamental understanding. This review
strives to eliminates and cloud of uncertainly by providing
an insight into the pros and cons of the common ingredients
and make-up used in contemporary dry and wet friction pads
and shoes. In this paper typical brake materials are
reviewed and their advantages and disadvantages in
contemporary brake applications are discussed.
Keywords:
Automotive brake friction materials (ABFM) brake pads, brake
shoes, wet and dry braking, asbestos, binder, ceramics fibre
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