Method for preparing sintered body of the titanium boride and ap

Compositions: ceramic – Ceramic compositions – Refractory

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264 56, 264 65, C04B 3558

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050616625

ABSTRACT:
A method for preparing the sintered body of titanium boride being characterized in that 17-27 mol % of metallic titanium powder, 39-74 mol % of boron powder and 1-30 mol % of aluminium powder are wet combined in an anhydrous solvent and pressed at pressure of 500 kg/cm.sup.2 to obtain a desired molding. The molding is self burned by a discharge spark under an inert gas condition which is shut tight under a pressure of 1 atm and above to sinter a composite material with constituents of titanium boride 50-80%, boron nitride 10-40% and aluminium nitride 1-30%.

REFERENCES:
patent: 4268314 (1981-05-01), Montgomery
patent: 4795723 (1989-01-01), Nishikawa et al.
patent: 4877759 (1989-10-01), Holt et al.
Japanese Patent Abstracts 62-56307 3/12/87, "Production of Powder Mixed with Boron Nitride", Numata et al.

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