Partitioning of tramp elements Cu and Si in a Ni-based superalloy and their effect on creep properties

Detrois, Martin; Pei, Zongrui; Rozman, Kyle A.; Gao, Michael C.; Poplawsky, Jonathan D.; Jablonski, Paul D.; Hawk, Jeffrey A.

doi:10.1016/j.mtla.2020.100843

Partitioning of tramp elements Cu and Si in a Ni-based superalloy and their effect on creep properties

Journal Article · Tue Jul 28 00:00:00 EDT 2020 · Materialia

DOI:https://doi.org/10.1016/j.mtla.2020.100843· OSTI ID:1648865

^[1]; ^[2]; Rozman, Kyle A. ^[1]; Gao, Michael C. ^[1]; ^[3]; Jablonski, Paul D. ^[4]; Hawk, Jeffrey A. ^[4]

National Energy Technology Lab. (NETL), Albany, OR (United States); Leidos Research Support Team (LRST), Albany, OR (United States)
National Energy Technology Lab. (NETL), Albany, OR (United States); Oak Ridge Inst. for Science and Education (ORISE), Oak Ridge, TN (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
National Energy Technology Lab. (NETL), Albany, OR (United States)

An alloy's processing history, including melting, remelting or the choice of stock material, affects its purity and eventually involves tramp element pickup or retention. Herein, variants of a novel Ni-based superalloy were manufactured with different levels of purity. The so-called low purity alloys contained 0.138 wt. % Cu and 0.019 wt. % Si while the Cu and Si levels were below x-ray fluorescence (XRF) detection limits of 0.003 and 0.010 wt. %, respectively, in the high purity ingots. Atom-probe tomography (APT) was carried out and revealed Si partitioning at the following interfaces: grain boundaries, MC carbide/γ, M₃B₂ boride/$$γ$$ and M₃B₂ boride/$$γ$$'. Copper was found to primarily segregate to the $$γ$$' precipitates. An average of 2.4 × decrease in creep life and 4.3 × decrease in creep ductility was measured in the low purity alloys, which was attributed to the embrittlement caused by Si segregation to grain boundaries. Furthermore, the positive effect of B on the creep properties was mitigated by the presence of Si. Thermodynamic predictions for the matrix and γ' precipitate compositions represented the trends observed experimentally although the extent of preferential partitioning lacks accuracy. Monte Carlo simulations were performed to describe the partitioning of Cu and Si atoms to either $$γ$$ or $$γ$$' phases.

View Accepted Manuscript (DOE)

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS)

Sponsoring Organization:: USDOE Office of Fossil Energy (FE); USDOE Office of Science (SC)

Grant/Contract Number:: 89243318CFE000003; AC05-00OR22725

OSTI ID:: 1648865

Alternate ID(s):: OSTI ID: 1781175

Journal Information:: Materialia, Journal Name: Materialia Journal Issue: N/A Vol. 13; ISSN 2589-1529

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

References (29)

The role of alloying elements in the design of nickel-base superalloys Jena, A. K.; Chaturvedi, M. C. Journal of Materials Science, Vol. 19, Issue 10 https://doi.org/10.1007/BF00549796	journal	October 1984
Nickel-base superalloys; physical metallurgy of recycling deBARBADILLO, J. J. Metallurgical Transactions A, Vol. 14, Issue 2 https://doi.org/10.1007/BF02644211	journal	February 1983
Effects of B, C, and Zr on the structure and properties of a P/M nickel base superalloy Garosshen, T. J.; Tillman, T. D.; McCarthy, G. P. Metallurgical Transactions A, Vol. 18, Issue 1 https://doi.org/10.1007/BF02646223	journal	January 1987
The influence of molybdenum on the γ/’phase in experimental nickel-base superalloys Loomis, W. T.; Freeman, J. W.; Sponseller, D. L. Metallurgical and Materials Transactions B, Vol. 3, Issue 4 https://doi.org/10.1007/BF02647677	journal	April 1972
Effect of residual elements on high performance nickel base superalloys for gas turbines and strategies for manufacture Sinha, O. P.; Chatterjee, M.; Sarma, V. V. R. S. Bulletin of Materials Science, Vol. 28, Issue 4 https://doi.org/10.1007/BF02704253	journal	July 2005
Strengthening Mechanisms in Polycrystalline Multimodal Nickel-Base Superalloys Kozar, R. W.; Suzuki, A.; Milligan, W. W. Metallurgical and Materials Transactions A, Vol. 40, Issue 7 https://doi.org/10.1007/s11661-009-9858-5	journal	May 2009
Solving Recent Challenges for Wrought Ni-Base Superalloys Hardy, M. C.; Detrois, M.; McDevitt, E. T. Metallurgical and Materials Transactions A, Vol. 51, Issue 6 https://doi.org/10.1007/s11661-020-05773-6	journal	May 2020
Evolution of Tantalum Content During Vacuum Induction Melting and Electroslag Remelting of a Novel Martensitic Steel Detrois, Martin; Jablonski, Paul D.; Hawk, Jeffrey A. Metallurgical and Materials Transactions B, Vol. 50, Issue 4 https://doi.org/10.1007/s11663-019-01614-z	journal	May 2019
A Review of Methodology Development for Controlling Loss of Alloying Elements During the Electroslag Remelting Process Duan, Sheng-Chao; Shi, Xiao; Wang, Fei Metallurgical and Materials Transactions B, Vol. 50, Issue 6 https://doi.org/10.1007/s11663-019-01665-2	journal	September 2019
Homogenizing Advanced Alloys: Thermodynamic and Kinetic Simulations Followed by Experimental Results Jablonski, Paul D.; Hawk, Jeffrey A. Journal of Materials Engineering and Performance, Vol. 26, Issue 1 https://doi.org/10.1007/s11665-016-2451-3	journal	November 2016
Grain boundary segregation and the grain size dependence of strength of nickel-sulfur alloys Floreen, S.; Westbrook, J. H. Acta Metallurgica, Vol. 17, Issue 9 https://doi.org/10.1016/0001-6160(69)90095-9	journal	September 1969
Effect of sulfur on the cyclic oxidation behavior of a single crystalline, nickel-base superalloy Smith, M. A.; Frazier, W. E.; Pregger, B. A. Materials Science and Engineering: A, Vol. 203, Issue 1-2 https://doi.org/10.1016/0921-5093(95)09819-4	journal	November 1995
Sulfur embrittlement on γ/γ′ interface of Ni-base single crystal superalloys Chen, K.; Zhao, L. R.; Tse, J. S. Acta Materialia, Vol. 51, Issue 4 https://doi.org/10.1016/S1359-6454(02)00512-8	journal	February 2003
The synergistic role of Mn and Zr/Ti in producing θ′/L12 co-precipitates in Al-Cu alloys Poplawsky, Jonathan D.; Milligan, Brian K.; Allard, Lawrence F. Acta Materialia, Vol. 194 https://doi.org/10.1016/j.actamat.2020.05.043	journal	August 2020
AFLOWLIB.ORG: A distributed materials properties repository from high-throughput ab initio calculations Curtarolo, Stefano; Setyawan, Wahyu; Wang, Shidong Computational Materials Science, Vol. 58 https://doi.org/10.1016/j.commatsci.2012.02.002	journal	June 2012
Design and thermomechanical properties of a γʹ precipitate-strengthened Ni-based superalloy with high entropy γ matrix Detrois, Martin; Jablonski, Paul D.; Antonov, Stoichko Journal of Alloys and Compounds, Vol. 792 https://doi.org/10.1016/j.jallcom.2019.04.054	journal	July 2019
Hot deformation behavior and flow stress modeling of a Ni-based superalloy Detrois, Martin; Antonov, Stoichko; Tin, Sammy Materials Characterization, Vol. 157 https://doi.org/10.1016/j.matchar.2019.109915	journal	November 2019
Comparison of thermodynamic database models and APT data for strength modeling in high Nb content γ–γ′ Ni-base superalloys Antonov, Stoichko; Detrois, Martin; Isheim, Dieter Materials & Design, Vol. 86 https://doi.org/10.1016/j.matdes.2015.07.171	journal	December 2015
In situ site-specific specimen preparation for atom probe tomography Thompson, K.; Lawrence, D.; Larson, D. J. Ultramicroscopy, Vol. 107, Issue 2-3 https://doi.org/10.1016/j.ultramic.2006.06.008	journal	February 2007
Predictive multiphase evolution in Al-containing high-entropy alloys Santodonato, L. J.; Liaw, P. K.; Unocic, R. R. Nature Communications, Vol. 9, Issue 1 https://doi.org/10.1038/s41467-018-06757-2	journal	October 2018
Statistics of the NiCoCr medium-entropy alloy: Novel aspects of an old puzzle Pei, Zongrui; Li, Rui; Gao, Michael C. npj Computational Materials, Vol. 6, Issue 1 https://doi.org/10.1038/s41524-020-00389-1	journal	August 2020
Absolute atomic-scale measurements of the Gibbsian interfacial excess of solute at internal interfaces Krakauer, Bruce W.; Seidman, David N. Physical Review B, Vol. 48, Issue 9 https://doi.org/10.1103/PhysRevB.48.6724	journal	September 1993
Effects of trace elements on mechanical properties of superalloys McLean, M.; Strang, A. Metals Technology, Vol. 11, Issue 1 https://doi.org/10.1179/030716984803274800	journal	January 1984
Trace elements in superalloys–an overview Meetham, G. W. Metals Technology, Vol. 11, Issue 1 https://doi.org/10.1179/030716984803275188	journal	January 1984
Developments in superalloy castability and new applications for advanced superalloys Harris, K.; Wahl, J. B. Materials Science and Technology, Vol. 25, Issue 2 https://doi.org/10.1179/174328408X355442	journal	February 2009
Impurities and trace elements in nickel-base superalloys Holt, R. T.; Wallace, W. International Materials Reviews, Vol. 21, Issue 1 https://doi.org/10.1179/imr.1976.21.1.1	journal	January 1976
U.S. Program on Materials Technology for Ultra-Supercritical Coal Power Plants Viswanathan, R.; Henry, J. F.; Tanzosh, J. Journal of Materials Engineering and Performance, Vol. 14, Issue 3 https://doi.org/10.1361/10599490524039	journal	June 2005
Research and Development of Heat-Resistant Materials for Advanced USC Power Plants with Steam Temperatures of 700 °C and Above Abe, Fujio Engineering, Vol. 1, Issue 2 https://doi.org/10.15302/J-ENG-2015031	journal	June 2015
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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36 MATERIALS SCIENCE
Atom-probe tomography
Copper
Grain boundaries
Ni-based superalloys
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Partitioning of tramp elements Cu and Si in a Ni-based superalloy and their effect on creep properties

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