The Effect of Nanoscale Microstructures on the Mechanical Behavior of Silicon-Carbide-Titanium-Carbon Composites

The Effect of Nanoscale Microstructures on the Mechanical Behavior of Silicon-Carbide-Titanium-Carbon Composites

The effect of a nanostructure on hardness, toughness and crack propagation is investigated in the case of SiC-TiC nanocomposites. Toughness values of these nanocomposites are always higher than for classical monolithic SiC, and increase with the ratio TiC /(TiC+SiC) as the hardness. Moreover, the na...

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Veröffentlicht in:Materials research bulletin 1994-08, Vol.29 (8), p.895-902
Hauptverfasser: Maupas, H, Chermant, J L, Hillel, R
Format: Artikel
Sprache:eng
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Zusammenfassung:The effect of a nanostructure on hardness, toughness and crack propagation is investigated in the case of SiC-TiC nanocomposites. Toughness values of these nanocomposites are always higher than for classical monolithic SiC, and increase with the ratio TiC /(TiC+SiC) as the hardness. Moreover, the nanomorphology affects crack propagation because of the large number of grain boundaries.
ISSN:0025-5408