a/ß-Sialon Having Improved Sintering Activity and High Edge Strength
AssigneeCeramTec GmbH
InventorsVolker DIETRICH, Moritz STAHL, Kilian FRIEDERICH, Gert RICHTER
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Abstract
The invention relates to α/β-sialon-based materials. The invention particularly relates to α/β-sialon-based materials that have an improved sintering activity and impart high edge strength to the sintered molded articles made of said materials.
Claims15
A sintered molded article comprising a ceramic composed of α/β-sialon having a grain boundary phase, wherein the grain boundary phase contains at least one hard material formed in situ as an additional phase.
A method for the production of a sintered molded article composed of α/β-sialon having a grain boundary phase, composed of at least one hard material, wherein at least the following compounds are used as a starting material:
- Si3N4, AlN, and, if applicable, Al2O3, at least one oxide of the rare earths, and at least one oxide of the element titanium.
Dependencies are inferred from the claim text.