Production of nanocrystalline metal powders via combustion reaction synthesis

Frye, John G.; Weil, Kenneth Scott; Lavender, Curt A.; Kim, Jin Yong

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Title: Production of nanocrystalline metal powders via combustion reaction synthesis

Abstract

Nanocrystalline metal powders comprising tungsten, molybdenum, rhenium and/or niobium can be synthesized using a combustion reaction. Methods for synthesizing the nanocrystalline metal powders are characterized by forming a combustion synthesis solution by dissolving in water an oxidizer, a fuel, and a base-soluble, ammonium precursor of tungsten, molybdenum, rhenium, or niobium in amounts that yield a stoichiometric burn when combusted. The combustion synthesis solution is then heated to a temperature sufficient to substantially remove water and to initiate a self-sustaining combustion reaction. The resulting powder can be subsequently reduced to metal form by heating in a reducing gas environment.

Inventors:: Frye, John G.; Weil, Kenneth Scott; Lavender, Curt A.; Kim, Jin Yong

Issue Date:: 2017-10-31

Research Org.:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1406578

Patent Number(s):: 9802834

Application Number:: 12/700,923

Assignee:: Battelle Memorial Institute

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS

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B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER
B22F2301/20 - Refractory metals
B22F9/24 - starting from liquid metal compounds, e.g. solutions

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
C01B21/38 - Nitric acid

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
C01G33/00 - Compounds of niobium
C01G39/02 - Oxides
C01G41/02 - Oxides
C01G47/00 - Compounds of rhenium

C - CHEMISTRY C07 - ORGANIC CHEMISTRY C07C - ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C229/06 - having only one amino and one carboxyl group bound to the carbon skeleton

C - CHEMISTRY C22 - METALLURGY C22B - PRODUCTION AND REFINING OF METALS
C22B34/24 - Obtaining niobium or tantalum

C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS
C22C1/045 - {Alloys based on refractory metals}
C22C1/058 - {by reaction sintering
C22C27/00 - Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
C22C27/02 - Alloys based on vanadium, niobium, or tantalum
C22C27/04 - Alloys based on tungsten or molybdenum

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N23/20075 - {by measuring interferences of X-rays, e.g. Borrmann effect}

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DOE Contract Number:: AC05-76RL01830

Resource Type:: Patent

Resource Relation:: Patent File Date: 2010 Feb 05

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Frye, John G., Weil, Kenneth Scott, Lavender, Curt A., and Kim, Jin Yong. Production of nanocrystalline metal powders via combustion reaction synthesis.  United States: N. p., 2017. 
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                    Frye, John G., Weil, Kenneth Scott, Lavender, Curt A., & Kim, Jin Yong. Production of nanocrystalline metal powders via combustion reaction synthesis.  United States.

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                    Frye, John G., Weil, Kenneth Scott, Lavender, Curt A., and Kim, Jin Yong. Tue .  
        "Production of nanocrystalline metal powders via combustion reaction synthesis".  United States.  https://www.osti.gov/servlets/purl/1406578.

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@article{osti_1406578,

  title        = {Production of nanocrystalline metal powders via combustion reaction synthesis},

  author       = {Frye, John G. and Weil, Kenneth Scott and Lavender, Curt A. and Kim, Jin Yong},

  abstractNote = {Nanocrystalline metal powders comprising tungsten, molybdenum, rhenium and/or niobium can be synthesized using a combustion reaction. Methods for synthesizing the nanocrystalline metal powders are characterized by forming a combustion synthesis solution by dissolving in water an oxidizer, a fuel, and a base-soluble, ammonium precursor of tungsten, molybdenum, rhenium, or niobium in amounts that yield a stoichiometric burn when combusted. The combustion synthesis solution is then heated to a temperature sufficient to substantially remove water and to initiate a self-sustaining combustion reaction. The resulting powder can be subsequently reduced to metal form by heating in a reducing gas environment.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2017},

  month        = {10}

}

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