FIELD: metallurgy.
SUBSTANCE: method for producing a cathode alloy based on metal of the platinum group and barium includes pressing a weighed portion of a platinum group metal powder, cleaning the barium surface from oxides, combining the arc alloy of the compact and barium in an argon atmosphere using a non-consumable tungsten electrode. Before pressing the weighed portions of the platinum group metal powder, (25-70)% of the powder weighed portion is mechanically activated for 5-20 minutes, and the remainder of the powder weighed portion is mixed.
EFFECT: improving the homogeneity of the intermetallic compound phase distribution in the platinum group metal matrix.
2 tbl, 2 ex
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