Patent · US Expired

Heat treatment of aluminium alloys containing lithium

US4534807A · kind A · utility

6Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 27, 1984
Grant dateAug 13, 1985
Priority date
Expiry dateMar 27, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22F1/02
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.