C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/00 (2006.01) C03C 1/00 (2006.01) C03C 3/12 (2006.01) C03C 10/00 (2006.01) C04B 35/645 (2006.01) C09K 3/14 (2006.01)
Patent
CA 2455902
Al2O3-Y2O3-ZrO21/HfO2 ceramics (including glasses, crystalline ceramics, and glass-ceramics) and methods of making the same. Ceramics according to the present invention can be made, formed as, or converted into glass beads, articles (e.g., plates), fibers, particles, and thin coatings. The particles and fibers are useful, for example, as thermal insulation, filler, or reinforcing material in composites (e.g., ceramic, metal, or polymeric matrix composites). The thin coatings can be useful, for example, as protective coatings in applications involving wear, as well as for thermal management. Certain ceramic particles according to the present invention can be are particularly useful as abrasive particles.
L'invention concerne des céramiques Al¿2?O¿3?-Y¿2?O¿3?-ZrO¿2?1/HfO¿2? (y compris des verres, céramiques cristallines et verre-céramiques) et leurs procédés de production. Les céramiques selon la présente invention peuvent être réalisées, formées comme ou converties en perles de verre, articles (notamment plaques), fibres, particules et minces revêtements. Les particules et fibres sont utiles, par exemple, comme isolant thermique, charge ou matériau de renforcement dans les composites (notamment céramique, métal ou composites à matrice polymérique). Les minces revêtements peuvent être utilisés, par exemple, comme revêtements protecteurs dans des applications impliquant l'usure ainsi que pour la gestion thermique. Certaines particules céramiques selon la présente invention sont particulièrement utiles comme particules abrasives.
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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