Patent · US Expired

"Electroforming composite beta, mainly beta""-alumina articles"

US4279725A · kind A · utility

2Cited by
1References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 5, 1980
Grant dateJul 21, 1981
Priority date
Expiry dateSep 5, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25D1/14
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A composite beta, mainly beta"-alumina article is described which comprises a first layer of beta-alumina, a second layer of mainly beta"-alumina adhering securely to the first layer, and the first layer consisting of 1 to 15 percent thickness of the total thickness of the article. A method is also described for producing such composite articles.

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