METHOD FOR DISPERSION OF HYDRIDE-FORMING METALS AND ALLOYS Russian patent published in 1998 - IPC

Abstract SU 1619568 A1

FIELD: powdery metallurgy, in particular, methods for production of metal powders of hydride-forming metals and alloys. SUBSTANCE: lumpy hydriding metal or alloy is subjected to vacuum treatment and hydrogenated at pressure with hydrogen of high purity. Dehydrogenation is carried out by heating at the rate of 10-100 C/min up to temperature equalling 0.5-1 critical temperature of respective hydride of metal or alloy with subsequent alternation of hydrogenation and dehydrogenation cycles. EFFECT: higher homogeneity of produced powder and increased efficiency of the process (by two times) due to reduced duration of cycles of hydrogenation and dehydrogenation.

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SU 1 619 568 A1

Authors

Semenenko K.N.

Verbetskij V.N.

Burnasheva V.V.

Salamova A.A.

Dates

1998-03-10Published

1989-06-28Filed