Patent · US Expired

Friction welded nonconsumable electrode assembly and use thereof for electrolytic production of metals and silicon

US4468299A · kind A · utility

31Cited by
12References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1982
Grant dateAug 28, 1984
Priority date
Expiry dateDec 20, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25C3/12
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A nonconsumable electrode assembly suitable for use in the production of metal by electrolytic reduction of a metal compound dissolved in a molten salt, the assembly comprising a metal conductor and a ceramic electrode body connected by a friction weld between a portion of the body having a level of free metal or metal alloy sufficient to effect such a friction weld and a portion of the metal conductor.

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