C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/52 (2006.01) C01B 31/02 (2006.01) C04B 35/01 (2006.01) C04B 35/117 (2006.01) C04B 35/80 (2006.01)
Patent
CA 2420408
A ceramic matrix nanocomposite having enhanced mechanical behavior is made up of a nanotube filler composed of at least one nanotube material, and a ceramic matrix composed of a nanocrystalline ceramic oxide. A method for producing ceramic articles having improved fracture toughness includes combining of a nanotube filler made up of a nanotube material and a ceramic matrix made up of a nanocrystalline ceramic oxide, forming an article therefrom, and sintering the article under elevated pressure at elevated temperature.
On produit ce nano-composite à matrice céramique doté d'un comportement mécanique amélioré au moyen d'une matière de charge nanotube composée d'au moins un matériau pour nanotube et d'une matrice céramique constituée d'oxyde céramique nanocristallin. Un procédé de production d'articles céramique dotés d'une ténacité renforcée consiste à combiner une matière de charge nanotube faite d'un matériau pour nanotube et une matrice céramique faite d'oxyde céramique nanocristallin, à former un article avec ces deux éléments et à fritter cet article sous une pression élevée à haute température.
Ajayan Pulickel M.
Chang Sekyung
Doremus Robert H.
Siegel Richard W.
Cassan Maclean
Rensselaer Polytechnic Institute
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