Nano powders, components and coatings by plasma technique

Patent · Tue Nov 10 00:00:00 EST 2009

OSTI ID:1015166

McKechnie, Timothy N.; Antony, Leo V. M.; O'Dell, Scott; Power, Chris; Tabor, Terry

Ultra fine and nanometer powders and a method of producing same are provided, preferably refractory metal and ceramic nanopowders. When certain precursors are injected into the plasma flame in a reactor chamber, the materials are heated, melted and vaporized and the chemical reaction is induced in the vapor phase. The vapor phase is quenched rapidly to solid phase to yield the ultra pure, ultra fine and nano product. With this technique, powders have been made 20 nanometers in size in a system capable of a bulk production rate of more than 10 lbs/hr. The process is particularly applicable to tungsten, molybdenum, rhenium, tungsten carbide, molybdenum carbide and other related materials.

• Research Organization: Plasma Processes, Inc., Huntsville, AL (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: FG02-02ER83435
• Assignee: Plasma Processes, Inc. (Huntsville, AL)
• Patent Number(s): 7,615,097
• Application Number: 11/544,338
• OSTI ID: 1015166
• Resource Relation: Patent File Date: 2006 Oct 06
• Country of Publication: United States
• Language: English

Related Subjects

77 NANOSCIENCE AND NANOTECHNOLOGY