US 5551999
CYCLIC RECOVERY HEAT TREATMENT
Assignee
UNITED TECHNOLOGIES CORPORATION, HARTFORD, CT., A DE CORP.
Filed
Apr 23, 1984
Granted
Sep 3, 1996
Location
JUPITER FL US
Abstract
A cyclic heat treatment for eliminating the tendency of moderately deformed superalloys to recrystallize is described. The superalloys are subjected to a temperature cycle including a period at a high temperature and a period at a low temperature. The resultant heat treated articles are resistant to recrystallization at temperatures above the gamma prime solvus temperature.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Sep 14, 1984
Rescinded
Mar 4, 1994
Duration
9 years, 5 months
Inventor
- 1WILLIAM J. GOSTIC
Record Details
- Patent number
- US 5551999
- Application
- 06604255
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
Browse by Assignee
UNITED TECHNOLOGIES CORPORATION, HARTFORD, CT., A DE CORP.Back to patent indexSource: USPTO 35 USC §181 secrecy order records