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AssigneesSafran Aircraft Engines, Safran, Alliance
InventorsHugo Jean-Louis SISTACH, Sébastien Jean RICHARD, Cédric Pierre Jacques COLAS, Romaric Jean-Marie PIETTE, Jean-Claude BIHR, Clément GILLOT
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The invention relates to a nickel-based alloy powder, that comprises in weight percentages, 14.00 to 15.25% of chromium, 14.25 to 15.75% of cobalt, 4.00 to 4.60% of aluminium, 0 to 0.50% of iron, 0 to 0.15% of manganese, 3.00 to 3.70% of titanium, 3.90 to 4.50% of molybdenum, 0 to 0.015% of sulphur, 0 to 0.06% of zirconium, 0.012 to 0.020% of boron, 0 to 0.20% of silicon, 0 to 0.10% of copper, 0 to 150 ppm of carbon, 0 to 0.5 ppm of bismuth, 0 to 5 ppm of lead, 0 to 1000 ppm of platinum, 0 to 1000 ppm of palladium, 0 to 50 ppm of hydrogen, 0 to 5 ppm of silver, 0 to 120 ppm of nitrogen, 0 to 1000 ppm of rhenium, 0 to 410 ppm of oxygen and 0 to 500 ppm of inevitable impurities, the rest being made up of nickel, and has a particle size D10 between 3 and 10 μm, a particle size D90 between 20 and 40 μm and a particle size D50 between 10 and 20 μm, the values of the particle sizes D10, D50 and D90 having been measured by laser diffraction according to standard ISO 13322-2. The invention also relates to a method for manufacturing a part using said powder and a resulting part.
A nickel-based alloy powder comprising, in weight percentages, 14.00 to 15.25% chromium, 14.25 to 15.75% cobalt, 4.00 to 4.60% aluminum, 0 to 0.50% iron, 0 to 0.15% manganese, 3.00 to 3.70% titanium, 3.90 to 4.50% molybdenum, 0 to 0.015% sulfur, 0 to 0.06% zirconium, 0.012 to 0.020% boron, 0 to 0.20% silicon, 0 to 0.10% copper, 0 to 150 ppm carbon, 0 to 0.5 ppm bismuth, 0 to 5 ppm lead, 0 to 1000 ppm platinum, 0 to 1000 ppm palladium, 0 to 50 ppm hydrogen, 0 to 5 ppm silver, 0 to 120 ppm nitrogen, 0 to 1000 ppm rhenium, 0 to 410 ppm oxygen and 0 to 500 ppm unavoidable impurities, the remainder being nickel,
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A nickel-based alloy part comprising, in weight percentages, 14.00 to 15.25% chromium, 14.25 to 15.75% cobalt, 4.00 to 4.60% aluminum, 0 to 0.50% iron, 0 to 0.150% manganese, 3.00 to 3.70% titanium, 3.90 to 4.50% molybdenum, 0 to 0.015% sulfur, 0 to 0.060% zirconium, 0.012 to 0.020% boron, 0 to 0.20% silicon, 0 to 0.100% copper, 0 to 0.5 ppm bismuth, 0 to 5 ppm lead, 0 to 1000 ppm platinum, 0 to 1000 ppm palladium, 0 to 50 ppm hydrogen, 0 to 5 ppm silver, 0 to 200 ppm nitrogen, 0 to 1000 ppm rhenium, 250 to 900 ppm carbon, 0 to 500 ppm oxygen and 0 to 500 ppm unavoidable impurities, the remainder being nickel, wherein the part further has a microstructure with metallurgical grains comprised between ASTM 00 and ASTM 9, the measurement of the size of the metallurgical grains being carried out according to ASTM E112.
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Dependencies are inferred from the claim text.