Metal treatment – Compositions – Heat treating
Patent
1986-03-20
1987-08-25
Dean, R.
Metal treatment
Compositions
Heat treating
148 115A, 148415, 148437, 420902, C22F 104
Patent
active
046890904
ABSTRACT:
Superplastic forming of aluminum work stock is improved by including therein about 0.05% to about 10% or 15% scandium. In preferred practices, soluble elements such as magnesium are also included in the aluminum alloy.
REFERENCES:
patent: 3619181 (1971-11-01), Willey
Bretz Philip E.
Jensen Craig L.
Sawtell Ralph R.
Aluminum Company of America
Dean R.
Lippert Carl R.
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