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Fabrication of Titanium Carbide‐Alumina Composites by Combustion Synthesis and Subsequent Dynamic Consolidation
Author(s) -
Rabin Barry H.,
Korth Gary E.,
Williamson Richard L.
Publication year - 1990
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1990.tb05294.x
Subject(s) - materials science , exothermic reaction , consolidation (business) , fabrication , composite material , combustion , composite number , explosive material , carbide , cracking , ignition system , titanium carbide , metallurgy , medicine , chemistry , alternative medicine , physics , accounting , organic chemistry , pathology , business , thermodynamics
Dispersed‐phase composites of TiC‐Al 2 O 3 were fabricated from low‐cost reactants by external ignition of powder compacts followed by dynamic consolidation of the hot products using explosives. Near full densification was achieved using shock pressures as low as 1 GPa. Care must be taken to allow for the escape of evoled gases during exothermic reaction, and rapid cooling of the consolidated composite must be avoided to prevent cracking.