Process for producing very pure platinum materials, semi-finishe

Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Metal and nonmetal in final product

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419 20, 419 23, 419 32, 419 33, 419 49, 419 60, 75235, 75247, 75392, 75710, B22F 314, B22F 924

Patent

active

056237251

ABSTRACT:
Process for producing very pure platinum materials dispersion-reinforced with Y.sub.2 O.sub.3 and having high strength and extensibility, even in the temperature range >800.degree. C., from platinum powder by mechanical alloying, which comprises the process steps

REFERENCES:
patent: 2636819 (1953-04-01), Streicher
patent: 4183746 (1980-01-01), Pearce et al.
patent: 4274877 (1981-06-01), Collier et al.
patent: 5304233 (1994-04-01), Awadalla et al.

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