Abstract
To improve the anti-fading performance and braking reliability of non-asbestos organic composite braking materials (NAOCBM) and to decrease vehicle driving risks due to braking failure, we studied the addition of expanded graphite (EG) to NAOCBM. The properties were optimized when the EG dose was 4 wt%. The reason for improvement was that the local flexible internal stress due to graphite expansion at high braking temperature partially offset the crack expansion, and thereby significantly decreased the damages of delamination wear to braking materials and braking performances. These results uncover the mechanism of EG addition to the performance optimization of braking materials, and provide an effective method to improve the reliability of braking materials and to reduce the probability of traffic accidents.
Published Version
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