Patent · US Expired

Oxide dispersion hardened aluminum composition

US4731132A · kind A · utility

5Cited by
3References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 2, 1986
Grant dateMar 15, 1988
Priority date
Expiry dateSep 2, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12486
  • 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.