METHOD OF FORMING A COMPOSITE ARTICLE BY METAL SPRAYING
Assignee
HOWMET CORPORATION
Filed
Jan 12, 1988
Granted
May 17, 1994
Location
MUSKEGON MI US
Abstract
The method of making a composite article of different metal portions by spraying molten metal on the surface of a solid metal member that has been cleaned and preheated in a controlled atmosphere at low pressure. The molten metal is sprayed on the surface of the solid metal member, preferably by plasma jet spraying. It is rapidly solidified to be adherent to the surface of the solid metal member to form a composite preform. The composite preform is cooled at a rate sufficiently low to reduce residual stresses and then hot pressed to eliminate voids in the sprayed metal portion and metallurgically bonded to the surface of the solid member.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Aug 24, 1988
Rescinded
Mar 10, 1993
Duration
4 years, 6 months
Inventor
- 1RANES P. DALAL
Record Details
- Patent number
- US 5312650
- Application
- 00714303
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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