Metal treatment – Compositions – Heat treating
Patent
1984-03-27
1985-08-13
Dean, R.
Metal treatment
Compositions
Heat treating
C22F 102
Patent
active
045348073
ABSTRACT:
The heat treatment of aluminium alloys having a lithium content in excess of 0.5% is carried out in an atmosphere of carbon dioxide and water vapor, the partial pressure of water vapor being at least 4 torr and more usually 10-50 torr.
REFERENCES:
patent: 4002505 (1977-01-01), Bult
Bassett Katherine-Ann
Butler Ernest P.
Field David J.
Alcan International Limited
Dean R.
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