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High-temperature internal friction, stiffness and strength of Zr–Al(Si)–C ceramics
- Source :
- Scripta Materialia. 61:60-63
- Publication Year :
- 2009
- Publisher :
- Elsevier BV, 2009.
-
Abstract
- The temperature dependence of internal friction, stiffness and strength of Zr-Al(Si)-C ceramics was studied. For glass-free Zr-Al(Si)-C ceramics, the internal friction curve followed an exponential-like background. For liquid-phase-sintered Zr(3)Al(3)C(5), an internal peak present at 1590 K revealed the grain-boundary sliding due to wetting of glass phase at grain boundaries and triple junctions. Zr-Al(Si)-C ceramics exhibited high degrees of stiffness and strength at high temperatures up to 1600 and 1400 degrees C, respectively, which render them good high-temperature structural materials. (c) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
- Subjects :
- Materials science
Mechanical Engineering
Metallurgy
Metals and Alloys
Stiffness
Condensed Matter Physics
Microstructure
Carbide
Viscosity
Mechanics of Materials
Phase (matter)
visual_art
visual_art.visual_art_medium
medicine
General Materials Science
Grain boundary
Ceramic
Wetting
medicine.symptom
Composite material
Subjects
Details
- ISSN :
- 13596462
- Volume :
- 61
- Database :
- OpenAIRE
- Journal :
- Scripta Materialia
- Accession number :
- edsair.doi...........17fdbe5783f7ef6a50fe5a0d620b8834