Patent · US Expired

Products based on aluminum containing lithium which can be used in their recrystallized state and a process for obtaining them

US4894096A · kind A · utility

5Cited by
2References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 23, 1986
Grant dateJan 16, 1990
Priority date
Expiry dateJun 23, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22C21/00
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The invention relates to aluminum alloy products containing 1 to 3.5% Li, up to 4% Cu, up to 5% Mg and up to 3% Zr, and additions of Mn, Cr and/or Zr, in which: EQU Zn.ltoreq.0.10%, Mn.ltoreq.0.8%, and Cr.ltoreq.0.20%, ##EQU1## The alloy is recrystallized and has an average grain size of less than 200 .mu.m.

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