The pyrophyllite powder at very low price is used as the filler of brake composites to accommodate the frictional properties and markedly reduce the cost.
Experimental testing is used to measure the dynamic frictional coefficient of the brake-tile on the working condition of simulated promotion.
在模拟矿井提升的工况下，实验测量闸瓦的动摩擦系数。
3
A kind of frictional composites for vehicle brake is developed with better tribological properties based on phenolic resin with ceramic, organic and metallic fibers compound reinforcement.