Mechanical and sliding wear of SBR vulcanizates as a function of carbon black loading

Author(s): Ahmad Mousa

Mechanical and tribological properties of N330 carbon black filled Styrene butadiene rubber (SBR) vulcanizates were evaluated when rubbed against austenitic stainless steel at various filler loading. It has been found that the tensile properties of the vulcanizateswere improved with filler loading compared to the control recipe. Friction coefficient of the unfilled SBR vulcanizates was higher than the filled counterpart.Wear properties derived frompin on disk, fretting fatigue and Taber abradingmachine were found to decrease with filler loading. The observed trends were attributed to the rubber-filler interaction as well as the type of crosslinks produced.

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