Method for preparing sintered body of the titanium boride and ap

Details Method for preparing sintered body of the titanium boride and ap Method for preparing sintered body of the titanium boride and ap

1989-11-08

1991-10-29

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

264 56, 264 65, C04B 3558

Patent

active

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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