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Material forming apparatus using a directed droplet stream

United States Patent

6,027,699
February 22, 2000
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
Systems and methods are described for rapidly forming precision metallic and intermetallic alloy net shape parts directly from liquid metal droplets. A directed droplet deposition apparatus includes a crucible with an orifice for producing a jet of material, a jet destabilizer, a charging structure, a deflector system, and an impact zone. The systems and methods provide advantages in that fully dense, microstructurally controlled parts can be fabricated at moderate cost.
Holcomb; David E. (Oak Ridge, TN), Viswanathan; Srinath (Knoxville, TN), Blue; Craig A. (Knoxville, TN), Wilgen; John B. (Oak Ridge, TN)
Lockheed Martin Energy Research Corp. (Oak Ridge, TN)
08/ 901,711
July 28, 1997
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY-SPONSORED RESEARCH AND DEVELOPMENT This invention was made with United States government support awarded by the United States Department of Energy under contract to Lockheed Martin Energy Research Corporation. The United States has certain rights in this invention.