Ignition of sustained high temperature synthesis reactions

Details Ignition of sustained high temperature synthesis reactions Ignition of sustained high temperature synthesis reactions

1990-01-24

1991-02-12

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder pretreatment

419 45, 419 12, 419 57, B22F 100

Patent

active

049922378

ABSTRACT:
A process is provided for igniting a mixed powder material compact containing sufficient fuel to support an exothermic reaction between ingredients contained in the compact. The ignition is achieved in an inert atmosphere with an electric arc produced by an electrode without contacting the compact and thereby initiating the reaction.

REFERENCES:
patent: 3726643 (1973-04-01), Merzhanov et al.
patent: 4446242 (1984-05-01), Holt
patent: 4459363 (1984-07-01), Holt
patent: 4710348 (1987-12-01), Brupbacher et al.
patent: 4751048 (1988-06-01), Christodoulou et al.
patent: 4772452 (1988-09-01), Brupbacher et al.
patent: 4774052 (1988-09-01), Nagle et al.
patent: 4778649 (1988-10-01), Niino et al.
Holt, "Combustion Synthesis: A New Area of Research in Materials Science", LLNL Brochure (LLL-TB-84-May 86).

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