Microcomposite of metal boride and ceramic particles

Details Microcomposite of metal boride and ceramic particles Microcomposite of metal boride and ceramic particles

1984-07-26

1985-09-03

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501 87, 501 93, 501 98, C04B 3558

Patent

active

045392994

ABSTRACT:
A particulate mixture of ceramic powder, boron and a hydride of a metal selected from the group consisting of hafnium, niobium, tantalum, titanium, vanadium, zirconium and mixtures thereof is hot pressed decomposing the hydride and reacting the resulting metal with boron producing a polycrystalline microcomposite comprised of a continuous phase of the boride of the metal which encapsulates at least about 20% by volume of the ceramic particles and which either encapsulates or is intermixed with the balance of said ceramic particles.

REFERENCES:
patent: 4022584 (1977-05-01), Rudy
patent: 4029000 (1977-06-01), Nakamura et al.
patent: 4419181 (1983-12-01), Haily
patent: 4512946 (1985-04-01), Brun et al.

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