Nickel-base superalloy composition and its use in single-crystal articles
US6905559B2 · kind B2 · utility
16Cited by
10References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 6, 2002 |
| Grant date | Jun 14, 2005 |
| Priority date | — |
| Expiry date | Sep 8, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/607
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A composition of matter is about 1 to about 3 percent rhenium, from about 6 to about 9 percent aluminum, from 0 to about 0.5 percent titanium, from about 4 to about 6 percent tantalum, from about 12.5 to about 15 percent chromium, from about 3 to about 10 percent cobalt, from about 2 to about 5 percent tungsten, from 0 to about 0.2 percent hafnium, from 0 to about 1 percent silicon, from 0 to about 0.25 percent molybdenum, from 0 to about 0.25 percent niobium, balance nickel and minor elements. The composition is preferably made into a substantially single crystal article, such as a component of a gas turbine engine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.