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DESlGN AND CONSTRUCTlON OF METALLlC FRlCTlON ELEMENTS
FRICTlON ELEMENTS FOR RAlLROADS
4 other sections not shown
abrasive aluminum amount annular approximately asbestos fibers assembly assigned axially axle bearing housing beryllium binder bonding brake disc brake drum brake lining brake shoe carbide carbon cloth carbon fibers carbon friction cashew cast iron circumferentially clutch facing coating material coefficient of friction component composition compression comprises containing copper core cured density diameter disc 11a disc brake disk dispersion elastomer engagement Example filler FlGURE friction disc friction elements friction facing friction lining friction material friction pad friction surface glass grams graphite heat impregnated inch iron powder layer matrix mesh mixed mixture mold outer oxide particles periphery phenolic resin polymer portion powder metal preferably pressure process described produced pyrolytic graphite radially reinforcing rotating rubber segments semimetallic shown in Figure silica sol silicon silicon carbide sintered slots solvent spaced stator steel strands strength substantially sulfide temperature thermosetting thickness tion torque tube U.S. Patent wheel zinc oxide