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Mechanical properties of hot-forged silicon carbide ceramics

A silicon carbide, with a preferred orientation of platelet grains, was obtained by hot-forging the hot-pressed SiC with equiaxed microstructures. Increased strength (810–1150 MPa), fracture toughness (4.4–5.9 MPa m 1/2), and hardness (24.4–26.8 GPa) were achieved in the hot-forged specimens compare...

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Bibliographic Details
Published in:Scripta materialia 2005, Vol.52 (2), p.153-156
Main Authors: Lee, Sung-Hee, Lee, Young-Il, Kim, Young-Wook, Xie, Rong-Jun, Mitomo, Mamoru, Zhan, Guo-Dong
Format: Article
Language:English
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Summary:A silicon carbide, with a preferred orientation of platelet grains, was obtained by hot-forging the hot-pressed SiC with equiaxed microstructures. Increased strength (810–1150 MPa), fracture toughness (4.4–5.9 MPa m 1/2), and hardness (24.4–26.8 GPa) were achieved in the hot-forged specimens compared to the hot-pressed specimens with random orientation.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2004.09.012