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Effect of Nitrile Butadiene Rubber (NBR) on Mechanical and Tribological Properties of Composite Friction Brakes

Journal: Tribology in Industry (Vol.41, No. 4)

Publication Date:

Authors : ;

Page : 516-525

Keywords : Nitrile butadiene rubber; Composite friction brakes; Tribological properties; Mechanical properties;

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Abstract

The aim of this research is to investigate the effect of nitrile butadiene rubber (NBR) as fillers on the mechanical and tribological properties of composite friction brake. Four compositions of specimens, having different NBR volume fractions (0, 4, 8, and 12 %), were manufactured. We assessed their mechanical properties by the three-point bending method according to ASTM D790 standard. We measured their tribological properties under various contact pressures and sliding speeds using a pin on disc tribometer. The results showed that NBR could improve the mechanical properties of composite friction brake materials, and the tribological properties such as wear resistance and friction coefficient increased with increasing NBR volume fraction.

Last modified: 2020-02-04 21:09:45