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Method and apparatus for melting metals

United States Patent

March 14, 2006
View the Complete Patent at the US Patent & Trademark Office
Y-12 National Security Complex - Visit the Technology Transfer Website
Microwave and Process Technologies
A method and apparatus for melting metals uses microwave energy as the primary source of heat. The metal or mixture of metals are placed in a ceramic crucible which couples, at least partially, with the microwaves to be used. The crucible is encased in a ceramic casket for insulation and placed within a microwave chamber. The chamber may be evacuated and refilled to exclude oxygen. After melting, the crucible may be removed for pouring or poured within the chamber by dripping or running into a heated mold within the chamber. Apparent coupling of the microwaves with softened or molten metal produces high temperatures with great energy savings.
Moore; Alan F. (Knoxville, TN), Schechter; Donald E. (Ten Mile, TN), Morrow; Marvin Stanley (Marble, NC)
BWXT Y-12, LLC (Oak Ridge, TN)
10/ 013,029
November 12, 2001
The U.S. Government has rights in this invention pursuant to contract number Feb. 13, 2001 DE-AC05-OOR22800 between the Department of Energy and BWXT Y-12, L.L.C.