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

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

Patent · Tue Feb 22 04:00:00 EST 2022

OSTI ID:1892639

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

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.

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

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-00OR22725

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

Patent Number(s):: 11,255,003

Application Number:: 16/834,767

OSTI ID:: 1892639

Country of Publication:: United States

Language:: English

References (7)

Superalloys Donachie, Matthew J.; Donachie, Stephen J. ASM International https://doi.org/10.31399/asm.tb.stg2.9781627082679	book	March 2002
Delta phase precipitation in Inconel 718 Azadian, Saied; Wei, Liu-Ying; Warren, Richard Materials Characterization, Vol. 53, Issue 1 https://doi.org/10.1016/j.matchar.2004.07.004	journal	September 2004
Aging effects on the microstructure and creep behavior of Inconel 718 superalloy Kuo, C. -M.; Yang, Y. -T.; Bor, H. -Y. Materials Science and Engineering: A, Vol. 510-511 https://doi.org/10.1016/j.msea.2008.04.097	journal	June 2009
Microstructural development and creep behavior in A286 superalloy De Cicco, H.; Luppo, M. I.; Gribaudo, L. M. Materials Characterization, Vol. 52, Issue 2 https://doi.org/10.1016/j.matchar.2004.03.007	journal	May 2004
Microstructure of Nickel-Based Superalloys Sabol, G. P.; Stickler, R. physica status solidi (b), Vol. 35, Issue 1 https://doi.org/10.1002/pssb.19690350102	journal	January 1969
The mechanism of precipitation strengthening in an iron-base superalloy Thompson, A. W.; Brooks, J. A. Acta Metallurgica, Vol. 30, Issue 12 https://doi.org/10.1016/0001-6160(82)90140-7	journal	December 1982
Nickel-Based Superalloys for Advanced Turbine Engines: Chemistry, Microstructure and Properties Pollock, Tresa M.; Tin, Sammy Journal of Propulsion and Power, Vol. 22, Issue 2 https://doi.org/10.2514/1.18239	journal	March 2006

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

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