Influence on Friction Material Performance of Nano-MMT Composites of PF by In Situ Method

Abstract:

Mass fraction of 1.5%, 3% of the nanomontmorillonite (MMT) were separately added in the phenol prepolymer, phenolic resin/ MMT was synthesized by in-situ method (it is called PF/M). The PF/M was carried out TG analysis using thermal analyser, and the synthetic resin PF/M were as new resin matrix to prepare semimetallic friction material, tribological performance test was carried on XD-MSM fixed speed type friction-wear testing machine in accordance with the GB_5763-2008. The results show that the heat resistance of composite PF/M and tribological performance of friction material are best when nanoMMT is 3% in the resin, the Carbon residue rate of PF/M is an increase of 37% compared with PF without nanoparticles at 600°C, thermal recession temperature of sample by the preparation of PF/M increases above 100°C, and it has stable friction coefficient, overall wear rate decreases 26%, especially in high temperature stage at 350°C, the wear rate decreases significantly, its wear rate decreases 30%.

• Periodical: Key Engineering Materials (Volumes 609-610)
• Pages: 8-13
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.609-610.8
• Online since: April 2014
• Authors: Hua Wei Nie, Yuan Kang Zhou*, Lv Yang, Yang Cao
• Keywords: Heat Resistance, In Situ Polymerization, Nano-Montmorillonite, Wear Rate

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