| abstract |
The invention discloses a kind of wear-resistant brake blocks, including steel plate, thermal insulation layer and friction block；Friction block is fixed on the steel plate by thermal insulation layer；The raw material of the friction block includes: 10-20 parts of phenolic resin by weight, 3-12 parts of nitrile rubber, 2-10 parts of butadiene rubber, 5-10 parts of carbon fiber, 3-8 parts of aramid fiber, 2-5 parts of glass fibre, 10-30 parts of magnesium titanate platelet, 5-20 parts of metatitanic acid ferrisodium platelet, 20-40 parts of barium sulfate, 2-5 parts of nano silica, 2-5 parts of sepiolite, 2-8 parts of alumina powder, 0.2-1.5 parts of diphenylguanidine, 0.1-0.5 parts of zinc oxide, 1-4 parts of vermiculite power, 2-5 parts of petroleum coke, 1-5 parts of artificial graphite, 3-10 parts of bamboo charcoal.Wear-resistant brake block proposed by the present invention, wear-resisting property and excellent shock resistance, heat-resist, cure shrinkage is small. |