Abstract
Suggested was a one-step process combining SHS reaction and pressure-assisted infiltration of Al melt, termed SHS pressing, for production of TiC–Al interpenetrating composites. Distribution of impregnated Al over SHS-produced porous TiC skeleton was experimentally studied as a function of applied pressure q. Macroscopic inhomogeneity of thus prepared TiC–Al composite was associated with different temperature and extent of densification within the inner and peripheral sample areas. With increasing q, the extents of densification leveled off, and the material became more uniform. The hardness of SHS-pressed interpenetrating composites was close to that of high-strength Al–Zn–Mg–Cu alloys.
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