Alloys or metallic compositions – Aluminum base – Copper containing
Patent
1988-03-23
1989-04-11
Dean, R.
Alloys or metallic compositions
Aluminum base
Copper containing
148159, 148416, 148417, 420533, C22C 2100
Patent
active
048204889
ABSTRACT:
At least about 0.1 percent by weight of indium is added as an essential component to an alloy which precipitates a T.sub.1 phase (Al.sub.2 CuLi). This addition enhances the nucleation of the precipitate T.sub.1 phase, producing a microstructure which provides excellent strength as indicated by Rockwell Hardness values and confirmed by standard tensile tests.
REFERENCES:
patent: 4597792 (1986-07-01), Webster
Blackburn Linda B.
Starke, Jr. Edgar A.
Dean R.
Glenn Charles E. B.
Helfrich George F.
Manning John R.
The United States of America as represented by the Administrator
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