SINGLE CRYSTAL NICKEL-BASE SUPERALLOY FOR TURBINE COMPONENTS
Assignee
GARRETT CORPORATION, THE
Filed
May 7, 1986
Granted
Dec 31, 1991
Location
NEW HARTFORD NY US
Abstract
A single crystal nickel-base superalloy is disclosed having an improved incipient melting temperature and oxidation resistance. The single crystal nickel-base alloy of this invention is characterized by specific addition of chromium, tungsten, aluminum and tantalum to produce an alloy having moderate high temperature strength and improved oxidation resistance and incipient melting temperature. The nominal composition of our new single crystal alloy (in weight percent) is 10-15% Cr, 0-4% Co, 6-8.5% W, 6-7% Al, 0-1% Ti, 2-6% Ta, and the balance nickel.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jul 9, 1987
Rescinded
Mar 22, 1991
Duration
3 years, 8 months
Inventor
- 1FREDERICK A. SCHWEIZER
Record Details
- Patent number
- US 5077004
- Application
- 00068606
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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