Ruthenium powder metal alloy

Details Ruthenium powder metal alloy Ruthenium powder metal alloy

1974-08-02

1976-05-18

Padgett, Benjamin R.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291822, 75123K, 75170, 75172R, 75176, 75200, 75224, B22F 300, C22C 3300, C22C 1900, C22C 502

Patent

active

039574512

ABSTRACT:
Ductile ruthenium alloys are provided by mixing, by weight, about 75-85% ruthenium powder with about 15-25% of a pre-alloyed powder consisting essentially of nickel, chromium, tungsten, silicon and iron, the powders being of less than 200 mesh size, the mixture being blended with a binder to enable easy handling in pressing a green part using pressures of from about 35,000-50,000 psi followed by sintering in dry hydrogen or inert gas or in a vacuum, sintering temperature and time ranging from about 2050.degree. to about 2150.degree. F for periods of from about 45 minutes to about 30 minutes, respectively.

REFERENCES:
patent: 1832307 (1931-11-01), Kingsbury
patent: 2060081 (1936-11-01), Jedele
patent: 2070451 (1937-02-01), Powell
patent: 2072368 (1937-03-01), Jedele
patent: 2072676 (1937-03-01), Jedele
patent: 2074474 (1937-03-01), Jedele
patent: 2094570 (1937-09-01), Estes
patent: 2328580 (1943-09-01), Pickus
patent: 2467675 (1949-04-01), Kurtz
patent: 2470034 (1949-05-01), Hensel
patent: 3301641 (1967-01-01), Krock

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