Patent · US Expired

Aluminum alloys

US4915748A · kind A · utility

0Cited by
1References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 20, 1988
Grant dateApr 10, 1990
Priority date
Expiry dateMay 20, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22C21/10
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

An aluminum base alloy having a composition selected from: PA1 (i) PA2 Cr 1.5% to 7.0% by weight PA2 Zr 0.5% to 2.5% by weight PA2 Mn 0.25% to 4.0% by weight PA2 Al remainder including normal impurities, and PA1 (ii) 7000 series Al alloys containing as added constituents: PA2 Cr 0.5% to 3.0% by weight PA2 Zr 0.5% to 2.5% by weight PA2 Mn 0.1% to 2.0% by weight.

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