Dispersion strengthened low density MA-Al

Details Dispersion strengthened low density MA-Al Dispersion strengthened low density MA-Al

1982-03-10

1986-06-10

Dean, R.

Alloys or metallic compositions

Aluminum base

Copper containing

148 127A, 148415, 148416, 148417, C22C 2100

Patent

active

045942226

ABSTRACT:
A dispersion strengthened aluminum-base alloy system is provided which is prepared by mechanical alloying and is characterized by an improved continuation of properties over binary aluminum-lithium alloys. The alloy system contains, by weight, about 0.5% up to about 4% Li, about 0.05 up to about 2% carbon, about 0.1 up to about 3% oxygen, at least one of the elements magnesium or copper in an amount of up to about 5% each, provided the total amount of said magnesium and copper does not exceed about 8%, and a dispersion strengthening agent in the amount of about 2% up to about 8% by volume.

REFERENCES:
patent: 3740210 (1973-06-01), Bomford et al.

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