COLUMNAR GRAIN SUPERALLOY ARTICLES
Assignee
UNITED TECHNOLOGIES CORPORATION, A CORP. OF DE.
Filed
Jan 2, 1986
Granted
Nov 26, 1991
Location
WEST HARTFORD CT US
Abstract
An article exhibiting superior mechical properties and resistance to oxidation corrosion at elevated temperatures as described. The article has particular utility in gas turbine engines and is comprised of a nickel base superalloy consisting essentially of 3-10% Cr, 12.1-16% Co, 1.0-1.9% Mo, 3-10% W, 0-5% Re, 4-7% Al, 0-1.5% Ti, 0-8% Ta, 0.5-3% Hf, 0-2% Cb, 0-1% V, 0.02-0.12% Zr, 0.03-0.2% C, 0.005-0.25% B, 0-0.15% of an oxygen active element such as yttrium, balance essentially nickel. This composition is melted and directionally solidified in columnar grain form to provide useful articles.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jun 25, 1986
Rescinded
Feb 6, 1991
Duration
4 years, 7 months
Inventor
- 1ALAN D. CETEL
Record Details
- Patent number
- US 5068084
- Application
- 06815608
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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