Patent · US Expired

Oxide dispersion hardened aluminum composition

US4812289A · kind A · utility

5Cited by
3References
21Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 7, 1987
Grant dateMar 14, 1989
Priority date
Expiry dateDec 7, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S75/956
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Refractory metal oxide particles are dispersed in an aluminum melt which is then cast to form a dispersion hardened aluminum alloy composition. A master mix of carrier metal particles surrounding individual oxide particles is pressed into a billet. The billet is dissolved in the melt in the presence of a wetting metal.

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