Patent · US Expired

Corrosion resistant iron aluminides exhibiting improved mechanical properties and corrosion resistance

US5320802A · kind A · utility

19Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 1992
Grant dateJun 14, 1994
Priority date
Expiry dateMay 15, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22C38/06
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The specification discloses a corrosion-resistant intermetallic alloy comprising, in atomic percent, an FeAl iron aluminide containing from about 30 to about 40% aluminum alloyed with from about 0.01 to 0.4% zirconium and from 0.01 to about 0.8% boron. The alloy exhibits considerably improved room temperature ductility for enhanced usefulness in structural applications. The high temperature strength and fabricability is improved by alloying with molybdenum, carbon, chromium and vanadium.

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