Method for electroconsolidation of a preformed particulate workp

Details Method for electroconsolidation of a preformed particulate workp Method for electroconsolidation of a preformed particulate workp

1993-03-17

1994-09-20

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 56, 264109, 264320, 419 49, 419 52, B29C 4302, B29C 6700

Patent

active

053486943

ABSTRACT:
A method of consolidating particulate materials or combinations of such materials into shaped products of very low porosity. High compaction pressures are applied at temperatures in the range of sintering temperature of the materials being consolidated to achieve essentially complete densification at extremely rapid processing rates. Electrothermal heating is utilized to accomplish these results. Difficult materials such as silicon carbide, boron carbide and other very high melting point materials may be densified by these techniques.

REFERENCES:
patent: 4041123 (1977-08-01), Lange et al.
patent: 4539175 (1985-09-01), Lichti et al.
patent: 4547430 (1985-10-01), Goldberger et al.
patent: 4640711 (1987-02-01), Lichti et al.
patent: 4853178 (1989-08-01), Oslin
patent: 4933140 (1990-06-01), Oslin

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