4.7 Article

Mechanical properties of hot-forged silicon carbide ceramics

Journal

SCRIPTA MATERIALIA
Volume 52, Issue 2, Pages 153-156

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2004.09.012

Keywords

hot-working; carbides; microstructure; mechanical properties

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A silicon carbide, with a preferred orientation of platelet grains, was obtained by hot-forging the hot-pressed SiC with equiaxed microstructures. Increased strength (810-1150MPa), fracture toughness (4.4-5.9MPam(1/2)), and hardness (24.4-26.8GPa) were achieved in the hot-forged specimens compared to the hot-pressed specimens with random orientation. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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