Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 484, Issue 1-2, Pages 130-133Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2009.04.111
Keywords
Ceramics; Sintering; Mechanical properties; Heat conduction
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Predominantly single-phase and nearly dense (Cr1-xVx)(2)AlC (x = 0, 0.1, 0.25 and 0.5) solid solutions were synthesized by pulse discharge sintering(PDS) using Cr, V, Al and C powders as starting materials. Average grain sizes of the V-containing compounds were measured to be the same, around 9 mu m. The Vickers hardness of the compounds increases linearly with V content due to solid solution hardening. Thermal conductivity decreases slightly to a minimum value followed by an increase with V content, which is attributed to the phonon and carrier scattering due to the V solution in the C2AlC compound. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.
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