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US 8,808,872 B2Granted
Germanium-containing solder, a component comprising a solder and a process for soldering
AssigneeSiemens Aktiengesellschaft
InventorsMichael Ott, Sebastian Piegert, Peter Randelzhofer, Robert Singer
Life of this patent
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Abstract
A germanium containing nickel-based solder having a similar composition to a nickel-based superalloy is provided. As a result of which the proportion of γ′ formed in the solder is reduced. The solder also includes chromium, cobalt, molybdenum, tungsten, aluminum, and titanium. A component including the solder is also provided.
Claims18
A nickel-based solder, comprising (in % by weight):
- 10% to 25% germanium;
- 11.2% to 11.9% chromium;
- 7.1% to 8.6% cobalt;
- 3% to 3.6% molybdenum;
- 3% to 3.6% tungsten;
- 2.2% to 2.7% aluminum;
- 3.6% to 4.5% titanium;
- and
- balance nickel.
6 more elements
Dependencies are inferred from the claim text.