Passivation and alloying element retention in gas atomized powders

Heidloff, Andrew J.; Rieken, Joel R.; Anderson, Iver E.

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A01 - agriculture
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Title: Passivation and alloying element retention in gas atomized powders

Abstract

A method for gas atomization of a titanium alloy, nickel alloy, or other alumina (Al.sub.2O.sub.3)-forming alloy wherein the atomized particles are exposed as they solidify and cool in a very short time to multiple gaseous reactive agents for the in-situ formation of a passivation reaction film on the atomized particles wherein the reaction film retains a precursor halogen alloying element that is subsequently introduced into a microstructure formed by subsequent thermally processing of the atomized particles to improve oxidation resistance.

Inventors:: Heidloff, Andrew J.; Rieken, Joel R.; Anderson, Iver E.

Issue Date:: 2017-12-05

Research Org.:: Ames Laboratory (AMES), Ames, IA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1411527

Patent Number(s):: 9833837

Application Number:: 14/120,706

Assignee:: Iowa State University Research Foundation, Inc. (Ames, IA)

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

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

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B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER
B22F2003/1051 - {by electric discharge}
B22F2003/208 - {Warm or hot extruding}
B22F2009/0844 - {in controlled atmosphere}
B22F2201/00 - Treatment under specific atmosphere
B22F2201/03 - Oxygen
B22F2998/10 - Processes characterised by the sequence of their steps
B22F2999/00 - Aspects linked to processes or compositions used in powder metallurgy
B22F3/14 - simultaneously
B22F3/15 - Hot isostatic pressing
B22F3/225 - {by injection molding}
B22F9/082 - {atomising using a fluid

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
Y02P10/25 - by increasing the energy efficiency of the process

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/2991 - Coated

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DOE Contract Number:: AC02-07CH11358

Resource Type:: Patent

Resource Relation:: Patent File Date: 2014 Jun 18

Country of Publication:: United States

Language:: English

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

Citation Formats


                    Heidloff, Andrew J., Rieken, Joel R., and Anderson, Iver E. Passivation and alloying element retention in gas atomized powders.  United States: N. p., 2017. 
        Web.

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                    Heidloff, Andrew J., Rieken, Joel R., & Anderson, Iver E. Passivation and alloying element retention in gas atomized powders.  United States.

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                    Heidloff, Andrew J., Rieken, Joel R., and Anderson, Iver E. Tue .  
        "Passivation and alloying element retention in gas atomized powders".  United States.  https://www.osti.gov/servlets/purl/1411527.

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@article{osti_1411527,

  title        = {Passivation and alloying element retention in gas atomized powders},

  author       = {Heidloff, Andrew J. and Rieken, Joel R. and Anderson, Iver E.},

  abstractNote = {A method for gas atomization of a titanium alloy, nickel alloy, or other alumina (Al.sub.2O.sub.3)-forming alloy wherein the atomized particles are exposed as they solidify and cool in a very short time to multiple gaseous reactive agents for the in-situ formation of a passivation reaction film on the atomized particles wherein the reaction film retains a precursor halogen alloying element that is subsequently introduced into a microstructure formed by subsequent thermally processing of the atomized particles to improve oxidation resistance.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2017},

  month        = {12}

}

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Works referenced in this record:

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patent, September 1934

Reimers, Hans A.
US Patent Document 1,972,317
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Atomizing nozzle and process
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Gas atomization synthesis of refractory or intermetallic compounds and supersaturated solid solutions
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Method of making environmentally stable reactive alloy powders
patent, December 1994

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Environmentally stable reactive alloy powders and method of making same
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Atomizing nozzle and method
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Passivated titanium aluminide tooling
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Thermal sprayed composite melt containment tubular component and method of making same
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Besser, Matthew F.; Terpstra, Robert L.; Sordelet, Daniel
US Patent Document 6,358,466
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One-piece, composite crucible with integral withdrawal/discharge section
patent, July 2002

Besser, Matthew F.; Terpstra, Robert L.; Sordelet, Daniel
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Atomizing apparatus for making polymer and metal powders and whiskers
patent, March 2003

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US Patent Document 6,533,563
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Stability of gas atomized reactive powders through multiple step in-situ passivation
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Comparison of Different Fluorine Treatments for the Protection of TiAl-Alloys Against High Temperature Oxidation
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Similar Records

Title: Passivation and alloying element retention in gas atomized powders

Abstract

Citation Formats

Method for Inhibiting the Oxidation of Readily Oxidizable Metals patent, September 1934

Atomizing nozzle and process patent, June 1992

Gas atomization synthesis of refractory or intermetallic compounds and supersaturated solid solutions patent, November 1994

Method of making environmentally stable reactive alloy powders patent, December 1994

Product of a halogen containing Ti-Al system intermetallic compound having a superior oxidation and wear resistance patent, September 1995

Apparatus for making environmentally stable reactive alloy powders patent, December 1996

Environmentally stable reactive alloy powders and method of making same patent, September 1998

Atomizing nozzle and method patent, November 2000

Passivated titanium aluminide tooling patent, September 2001

Thermal sprayed composite melt containment tubular component and method of making same patent, March 2002

One-piece, composite crucible with integral withdrawal/discharge section patent, July 2002

Atomizing apparatus for making polymer and metal powders and whiskers patent, March 2003

Production Of Alloys Based On Titanium Aluminides patent-application, May 2010

Stability of gas atomized reactive powders through multiple step in-situ passivation patent-application, November 2013

Thermodynamic considerations of the beneficial effect of halogens on the oxidation resistance of TiAl-based alloys journal, May 2003

Comparison of Different Fluorine Treatments for the Protection of TiAl-Alloys Against High Temperature Oxidation journal, January 2010

Thermal Decomposition of NF3 by Ti, Si, and Sn Powders journal, April 1995

Highly tuned gas atomization for controlled preparation of coarse powder. Hochleistungsgasverdüsung für die gezielte Präparation grober Pulver journal, July 2010

Low temperature diffusion of oxygen in titanium and titanium oxide films journal, October 1988

Improvement of the oxidation resistance of TiAl alloys by using the chlorine effect journal, December 1997

Influence of chlorine on the oxidation behavior of TiAlMn intermetallic compound journal, January 1996

Analysis of the spray deposition process journal, February 1989

Method for Inhibiting the Oxidation of Readily Oxidizable Metals
patent, September 1934

Atomizing nozzle and process
patent, June 1992

Gas atomization synthesis of refractory or intermetallic compounds and supersaturated solid solutions
patent, November 1994

Method of making environmentally stable reactive alloy powders
patent, December 1994

Product of a halogen containing Ti-Al system intermetallic compound having a superior oxidation and wear resistance
patent, September 1995

Apparatus for making environmentally stable reactive alloy powders
patent, December 1996

Environmentally stable reactive alloy powders and method of making same
patent, September 1998

Atomizing nozzle and method
patent, November 2000

Passivated titanium aluminide tooling
patent, September 2001

Thermal sprayed composite melt containment tubular component and method of making same
patent, March 2002

One-piece, composite crucible with integral withdrawal/discharge section
patent, July 2002

Atomizing apparatus for making polymer and metal powders and whiskers
patent, March 2003

Production Of Alloys Based On Titanium Aluminides
patent-application, May 2010

Stability of gas atomized reactive powders through multiple step in-situ passivation
patent-application, November 2013

Thermodynamic considerations of the beneficial effect of halogens on the oxidation resistance of TiAl-based alloys
journal, May 2003

Comparison of Different Fluorine Treatments for the Protection of TiAl-Alloys Against High Temperature Oxidation
journal, January 2010

Thermal Decomposition of NF₃ by Ti, Si, and Sn Powders
journal, April 1995

Highly tuned gas atomization for controlled preparation of coarse powder. Hochleistungsgasverdüsung für die gezielte Präparation grober Pulver
journal, July 2010

Low temperature diffusion of oxygen in titanium and titanium oxide films
journal, October 1988

Improvement of the oxidation resistance of TiAl alloys by using the chlorine effect
journal, December 1997

Influence of chlorine on the oxidation behavior of TiAlMn intermetallic compound
journal, January 1996

Analysis of the spray deposition process
journal, February 1989