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US 2022/0033936 A1Published application
Nickel based alloy
AssigneeSiemens Energy Global GmbH & Co. KG
InventorMagnus Hasselqvist
Life of this patent
Estimating the term…
Abstract
A nickel based superalloy, including: Chromium (Cr) 12.0%-14.0%, Molybdenum (Mo) 1.5%-3.0%, Tungsten (W) 2.5%-4.5%, Aluminum (Al) 4.0%-5.0%, Titanium (Ti) 1.8%-2.8%, Niobium (Nb) 1.5%-3.5%, Hafnium (Hf) 0.8%-1.8%, Carbon (C) 0.03%-0.13%, Boron (B) 0.005%-0.025%, Silicon (Si) 0.005%-0.05%, and optionally: Cobalt (Co) 0.0%-10.0%, Tantalum (Ta) 0.0%-3.0%, Zirconium (Zr) 0.0%-0.03%, especially remainder Nickel.
Claims19
Nickel based alloy, comprising (in wt %):
- Chromium (Cr) 12.0%-14.0%,
- especially 12.0%-13.0%,
- Molybdenum (Mo) 1.5%-3.0%,
- especially 1.6%-2.7%,
- very especially 1.6%-2.0%,
- Tungsten (W) 2.5%-4.5%,
- especially 3.6%-4.0%,
- Aluminum (Al) 4.0%-5.0%,
- especially 4.3%-4.7%,
- Titanium (Ti) 1.8%-2.8%,
- especially 2.0%-2.6%,
- Niobium (Nb) 1.5%-3.5%,
- especially 2.0%-3.4%,
- Hafnium (Hf) 0.8%-1.8%,
- especially 0.8%-1.4%,
- Carbon (C) 0.03%-0.13%,
- especially 0.07% Carbon (C),
- Boron (B) 0.005%-0.025%,
- especially 0.01% Boron (B),
- Silicon (Si) 0.005%-0.05%,
- especially 0.01% Silicon (Si),
- and optionally:
- Cobalt (Co) 0.0%-10.0%,
- especially 4.0%-6.0%,
- very especially 5.0%,
- Tantalum (Ta) 0.0%-3.0%,
- especially 0.5%-3.0%,
- very especially 2.0%-2.4% Tantalum (Ta),
- Zirconium (Zr) 0.0%-0.03%,
- especially 0,001%-0.03% Zirconium (Zr);
- and especially no Rhenium (Re) or Ruthenium (Ru) and/or no Yttrium (Y), remainder Nickel.
28 more elements
Dependencies are inferred from the claim text.