Development of a high-quality rare earth oxide modified resin-based brake material

Abstract

A high-quality brake material was developed by using different rare earth oxide modified resinbased brake materials and designing the composite material through an orthogonal optimization test. The effect of rare earth oxide on the properties of the resin-based brake material, such as the friction and wear, thermal decay resistance, and recovery, was explored using the constant-speed friction test, Chase friction test and worn surface morphological observation. The results show that rare earth lanthanum oxide can be added to improve the friction and wear properties of the brake material compared to cerium oxide and yttrium oxide. At 100-350°C, the friction coefficient of the developed brake material fluctuates in the range of 0.40-0.50, and the material has high friction coefficient, good thermal decay resistance and favourable wear resistance. The friction coefficient of the optimal formulation can reach the GF level, so its tribological properties are very good and better than the brake pads of automobiles at home and abroad.

Study on the Friction and Wear Properties of Multiple Rare-Earth-Oxide-Reinforced Resin-Based Friction Materials

“…The features of resin-based friction materials ensure a simple process, low cost, and strong structure. The material is now the most in-demand class of composite material [ 3 , 4 ]. A friction material is usually a composite material made up of a combination of more than 10 components.…”

Effects of Rare Earth Oxides on the Mechanical and Tribological Properties of Phenolic-Based Hybrid Nanocomposites

“…Such materials can meet the highest requirements for both mechanical and tribological properties [ 19 , 20 , 21 ]. Phenolic-based nanocomposite brake friction pads are preferred due to their durability in dry friction and resistance in harsh environments [ 22 , 23 ].…”

“…Many studies have shown that the doping of rare earth elements can significantly improve the tribological properties of phenolic-based hybrid nanocomposites [ 19 , 22 , 24 , 25 ]. Yu et al designed a kind of polyimide nanocomposite filled with different rare earth oxides based on carbon nanotubes and graphene oxide, finding that filling with cerium oxide can dramatically reduce the friction coefficient and wear rate [ 19 ].…”