FIELD: manufacture of foamed graphitized materials used for friction parts. SUBSTANCE: production of graphitized foamed blank includes preparation of mixture from resol phenol resin, ground meso-phase pitch, surfactant, catalyst and physical foaming and heating this mixture to temperature of 50 C for obtaining foamed blank followed by heating it to temperature of 600-2000 C for obtaining graphitized foamed blank with open cells. Blank thus produced contains no fibers at reduced degree of volumetric anisotropy which is important for manufacture of disks from composite carbon-based materials used as friction disks of aircraft motors. EFFECT: enhanced efficiency and reliability. 7 cl, 3 dwg, 1 tbl
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Authors
Dates
2004-03-20—Published
1999-05-21—Filed