RAPIDLY SOLIDIFIED TRI-NICKEL ALUMINIDE BASE ALLOY
Assignee
Filed
Mar 14, 1986
Granted
Dec 1, 1987
Location
LATHAM NY US
Abstract
A method for achieving both improved strength and improved ductility in intermediate phases is provided. The method, briefly stated, comprises the steps of providing a melt whose composition substantially corresponds to that of a preselected intermetallic phase having a crystal structure of the Ll2 type, such as nickel alumininde, modified with from about 0.01 to 2.5 atomic percent boron, and modified further with cobalt substituent metal and rapidly solidifying the melt at a cooling rate of at least about 103 ° C./second to form a solid body, the principal phase of which is of the Ll2 type crystal structure in either its ordered or disordered state.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Oct 10, 1986
Rescinded
Feb 19, 1987
Duration
4 months
Inventor
- 1SHYH-CHIN HUANG
Record Details
- Patent number
- US 4710247
- Application
- 06839659
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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