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In this study, the use of rice husk (RH) dust in addition to ulexite (UX) has been investigated for estimating the effect on friction coefficient. RH includes silica which gives the pad materials a ceramic like behavior. To obtain RH, rice husk was grained after it had been dried. Different amounts of RH were included in the brake pad mix in addition to the other regular components. UX is a boron mineral which is widely used in boron glass production and in ceramic industry for increasing heat resistance and abrasion resistance. The newly formulated brake pads have been tested by the friction assessment and screening test (FAST). The friction coefficient and wear rate have been determined and investigations by scanning electron microscope (SEM) of the friction surfaces have been carried out to estimate the performance of these samples.

Investigation of using rice husk dust and ulexite in automotive brake pads