METHOD FOR PRODUCING FeCrAl ALLOY BASE POWDER MATERIAL AND SUCH MATERIAL Russian patent published in 2005 - IPC

FIELD: processes for producing FeCrAl material.

SUBSTANCE: method for producing material in the form of powdered metallurgical FeCrAl alloy (by gas spraying) containing besides iron, chrome and aluminum small dozes of molybdenum, hafnium, zirconium, yttrium, nitrogen, carbon and(or) oxygen comprises steps of preparing melt subjected to spraying and containing 0.05 -0.50 mass % of tantalum and less than 10 mass % of titanium and having such composition that provides preparation of sprayed powder of next content, mass %: Cr, 15 - 25; Al, 3 - 7; Mo, 0 - 5; Y, 0.05 - 0.60; Zr, 0.01 -0.30; Hf, 0.05 - 0.50; Ta, 0.05 - 0.50; Ti, 0 - 0.10; C, 0.01 -0.05; N, 0.01 - 0.06; O, 0.02 - 0.10; Si, 0.10 -070; Mn, 0.05 -0.50; P, 0 - 0.08; S, 0 - 0.005; Fe, the balance.

EFFECT: possibility for producing powder material with improved strength properties.

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