Ta-containing Fe-Ni based superalloys with high strength and oxidation resistance for high-temperature applications

Yang, Ying; Pint, Bruce A.; Poplawsky, Jonathan D.; Tan, Lizhen

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Title: Ta-containing Fe-Ni based superalloys with high strength and oxidation resistance for high-temperature applications

Abstract

A Fe—Ni based alloy comprising, in weight percent: Ni 30-35; Cr 12-14; Al 3-5; Ti 0-2; Ta 2-8; C<=0.05; B<=0.005; Zr<=0.2; Si<0.5; where Cr/(Cr+Fe+Ni)=0.125-0.145; Al/(Al+Ti+Ta)=0.15-0.5; and Fe≥Ni; balance Fe, the alloy having a face-centered cubic (fcc) matrix with from 25 to 30 vol. % of L12-type γ′-Ni3M (M=Al, Ta, Ti and mixtures thereof) precipitates.

Inventors:: Yang, Ying; Pint, Bruce A.; Poplawsky, Jonathan D.; Tan, Lizhen

Issue Date:: 2022-02-22

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1892639

Patent Number(s):: 11255003

Application Number:: 16/834,767

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Classifications (CPCs):: C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS

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C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS
C22C30/00 - Alloys containing less than 50% by weight of each constituent
C22C38/08 - containing nickel {
C22C38/18 - containing chromium
C22C38/48 - with niobium or tantalum

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DOE Contract Number:: AC05-00OR22725

Resource Type:: Patent

Resource Relation:: Patent File Date: 03/30/2020

Country of Publication:: United States

Language:: English

Citation Formats


                    Yang, Ying, Pint, Bruce A., Poplawsky, Jonathan D., and Tan, Lizhen. Ta-containing Fe-Ni based superalloys with high strength and oxidation resistance for high-temperature applications.  United States: N. p., 2022. 
        Web.

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                    Yang, Ying, Pint, Bruce A., Poplawsky, Jonathan D., & Tan, Lizhen. Ta-containing Fe-Ni based superalloys with high strength and oxidation resistance for high-temperature applications.  United States.

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                    Yang, Ying, Pint, Bruce A., Poplawsky, Jonathan D., and Tan, Lizhen. Tue .  
        "Ta-containing Fe-Ni based superalloys with high strength and oxidation resistance for high-temperature applications".  United States.  https://www.osti.gov/servlets/purl/1892639.

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@article{osti_1892639,

  title        = {Ta-containing Fe-Ni based superalloys with high strength and oxidation resistance for high-temperature applications},

  author       = {Yang, Ying and Pint, Bruce A. and Poplawsky, Jonathan D. and Tan, Lizhen},

  abstractNote = {A Fe—Ni based alloy comprising, in weight percent: Ni 30-35; Cr 12-14; Al 3-5; Ti 0-2; Ta 2-8; C<=0.05; B<=0.005; Zr<=0.2; Si<0.5; where Cr/(Cr+Fe+Ni)=0.125-0.145; Al/(Al+Ti+Ta)=0.15-0.5; and Fe≥Ni; balance Fe, the alloy having a face-centered cubic (fcc) matrix with from 25 to 30 vol. % of L12-type γ′-Ni3M (M=Al, Ta, Ti and mixtures thereof) precipitates.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2022},

  month        = {2}

}

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Works referenced in this record:

Superalloys
book, March 2002

Donachie, Matthew J.; Donachie, Stephen J.
ASM International
https://doi.org/10.31399/asm.tb.stg2.9781627082679

Alumina Forming Iron Base Superalloy
patent-application, October 2013

Yamamoto, Yukijnori; Muralidharan, Govindarajan; Brady, Michael P.
US Patent Application 13/440,639; 2013/0266477 Al
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Alumina forming iron base superalloy
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Yamamoto, Yukinori; Muralidharan, Govindarajan; Brady, Michael P.
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Delta phase precipitation in Inconel 718
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Azadian, Saied; Wei, Liu-Ying; Warren, Richard
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Microstructure of Nickel-Based Superalloys
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Microstructural development and creep behavior in A286 superalloy
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Nickel-Based Superalloys for Advanced Turbine Engines: Chemistry, Microstructure and Properties
journal, March 2006

Pollock, Tresa M.; Tin, Sammy
Journal of Propulsion and Power, Vol. 22, Issue 2
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Ni—Fe based forging superalloy excellent in high-temperature strength and high-temperature ductility, method of manufacturing the same, and steam turbine rotor
patent, August 2013

Imano, Shinya; Kawanaka, Hirotsugu; Doi, Hiroyuki
US Patent Document 8,512,488
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Aging effects on the microstructure and creep behavior of Inconel 718 superalloy
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The mechanism of precipitation strengthening in an iron-base superalloy
journal, December 1982

Thompson, A. W.; Brooks, J. A.
Acta Metallurgica, Vol. 30, Issue 12
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γ phase strengthened Fe—Ni base superalloy
patent, August 2013

Haruyama, Hiroshi; Imano, Shinya; Iwata, Terufumi
US Patent Document 8,506,884
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Wear resistant high temperature alloy
patent, January 2010

Sawford, Maria K.; Sinharoy, Shubhayu; Narasimhan, Sundaram L.
US Patent Document 7,651,575
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7651575

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Similar Records

Title: Ta-containing Fe-Ni based superalloys with high strength and oxidation resistance for high-temperature applications

Abstract

Citation Formats

Superalloys book, March 2002

Alumina Forming Iron Base Superalloy patent-application, October 2013

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book, March 2002

Alumina Forming Iron Base Superalloy
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Alumina forming iron base superalloy
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Delta phase precipitation in Inconel 718
journal, September 2004

Microstructure of Nickel-Based Superalloys
journal, January 1969

Microstructural development and creep behavior in A286 superalloy
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