Skip to Content
Find More Like This
Return to Search

Method for the generation of variable density metal vapors which bypasses the liquidus phase

United States Patent

January 30, 2001
View the Complete Patent at the US Patent & Trademark Office
Brookhaven National Laboratory - Visit the Office of Technology Commercialization and Partnerships Website
The present invention provides a method for producing a metal vapor that includes the steps of combining a metal and graphite in a vessel to form a mixture; heating the mixture to a first temperature in an argon gas atmosphere to form a metal carbide; maintaining the first temperature for a period of time; heating the metal carbide to a second temperature to form a metal vapor; withdrawing the metal vapor and the argon gas from the vessel; and separating the metal vapor from the argon gas. Metal vapors made using this method can be used to produce uniform powders of the metal oxide that have narrow size distribution and high purity.
Kunnmann; Walter (Stony Brook, NY), Larese; John Z. (Rocky Point, NY)
Brookhaven Science Associates (Upton, NY)
09/ 271,890
March 18, 1999
This invention was made with Government support under contract number DEAC02-98CH10886, awarded by the U.S. Department of Energy. The Government has certain rights in the invention.