Friction material with high temperature resistance and thermal decay resistance and processing method of friction material

2016 
The invention discloses a friction material with high temperature resistance and thermal decay resistance and a processing method of the friction material. A facing material is prepared from the following materials in percentage by weight: 44 to 49 percent of steel wool, 7 to 9 percent of barite, 1 to 2 percent of aramid fiber, 14 to 16 percent of synthetic graphite, 3 to 4 percent of aluminum oxide, 3 to 4 percent of frictional powder, 2 to 3 percent of tyre powder, 5 to 6 percent of resin, 2 to 3 percent of magnesium oxide, 9 to 11 percent of reclaimed grinding powder, 1 to 2 percent of potassium titanate and 1 to 2 percent of styrene-butadiene powdered rubber. A formula of a backing material is prepared from the following materials in parts by mass: 10 to 11 percent of resin, 6 to 8 percent of barite, 33 to 38 percent of reclaimed powder, 1 percent of calcium hydroxide, 2 to 3 percent of iron oxidered, 2 to 3 percent of hollow spheres, 5 to 6 percent of calcined coke, 4 to 5 percent of tyre powder, 11 to 12 percent of NACF (Polyacrylonitrile-Based Activated Carbon Fiber), 15 to 17 percent of steel wool and 3 to 4 percent of wollastonite. The friction material disclosed by the invention has the advantages of simple manufacturing technique, low cost, high temperature resistance, great friction coefficient and thermal decay resistance.
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