References
- Reed RC. The superalloys: fundamentals and applications. Cambridge: Cambridge University Press; 2006.
- Sims CT, Stoloff NS, Hagel WC. Superalloys II: high-temperature materials for aerospace and Industrial power. New York: John Wiley & Sons, co; 1987.
- Zhang Q, Chang Y, Gu L, et al. Study of microstructure of nickel-based superalloys at high temperatures. Scr Mater. 2016;126:55–57. doi:https://doi.org/10.1016/j.scriptamat.2016.08.013.
- Sato J, Omori T, Oikawa K, et al. Cobalt-base high-temperature alloys. Science. 2006;312(5770):90–91. doi:https://doi.org/10.1126/science.1121738.
- Lee CS. Precipitation-hardening characteristics of ternary cobalt – aluminum – X alloys. Ph.D. Engineering Metallurgy. The University of Arizona; 1971.
- Pollock TM, Dibbern J, Tsunekane M, et al. New co-based γ-γ′ high-temperature alloys. JOM. 2010;62(1):58–63.
- Xue F, Zhou HJ, Ding XF, et al. Improved high temperature γ’ stability of Co-Al-W-base alloys containing Ti and Ta. Mater Lett. 2013;112:215–218. doi:https://doi.org/10.1016/j.matlet.2013.09.023.
- Neumeier S, Freund LP, Göken M. Novel wrought γ/γ′ cobalt base superalloys with high strength and improved oxidation resistance. Scr Mater. 2015;109:104–107. doi:https://doi.org/10.1016/j.scriptamat.2015.07.030.
- Yan HY, Vorontsov VA, Coakley J, et al. Quaternary alloying effects and the prospects for a new generation of Co-base superalloys. Superalloys. 2012;2012:705–714. doi:https://doi.org/10.1002/9781118516430.ch78.
- Bauer A, Neumeier S, Pyczak F, et al. Microstructure and creep strength of different γ/γ′- strengthened Co-base superalloy variants. Scr Mater. 2010;63(12):1197–1200. doi:https://doi.org/10.1016/j.scriptamat.2010.08.036.
- Suzuki A, DeNolf GC, Pollock TM. Flow stress anomalies in γ/γ′ two-phase Co-Al-W-base alloys. Scr Mater. 2007;56(5):385–388. doi:https://doi.org/10.1016/j.scriptamat.2006.10.039.
- Xue F, Wang M, Feng Q. Alloying effects on heat-treated microstructure in Co-Al-W-base superalloys at 1300°C and 900°C. Superalloys. 2012;2012:813–821. doi:https://doi.org/10.1002/9781118516430.ch90.
- Suzuki A, Pollock TM. High-temperature strength and deformation of c/c 0 two-phase Co-Al-W-base alloys. Acta Mater. 2008;56(6):1288–1297. doi:https://doi.org/10.1016/j.actamat.2007.11.014.
- Chung DW, Toinin JP, Lass EA, et al. Effects of Cr on the properties of multicomponent cobalt-based superalloys with ultra high γ′ volume fraction. J Alloys Compd. 2020;832:154790. doi:https://doi.org/10.1016/j.jallcom.2020.154790.
- Lass EA, Sauza DJ, Dunand DC, et al. Multicomponent g’-strengthened Co-based superalloys with increased solvus temperatures and reduced mass densities. Acta Mater. 2018;147:284–295. doi:https://doi.org/10.1016/j.actamat.2018.01.034.
- Lass EA. Application of computational thermodynamics to the design of a Co-Ni-based γ′-strengthened superalloy. Metall Mater Trans A. 2017;48(5):2443–2459. doi:https://doi.org/10.1007/s11661-017-4040-y.
- Yoon KE, Noebe RD, Seidman DN. Effects of rhenium addition on the temporal evolution of the nanostructure and chemistry of a model Ni-Cr-Al superalloy. I: experimental observations. Acta Mater. 2007;55:1145–1157. doi:https://doi.org/10.1016/j.actamat.2006.08.027.
- Zhang L, Ukai S, Hoshino T, et al. Y2O3 evolution and dispersion refinement in Co-base ODS alloys. Acta Mater. 2009;57(12):3671–3682. doi:https://doi.org/10.1016/j.actamat.2009.04.033.
- Zhang L, et al. Microstructural formation in novel Co-base ODS alloys produced by mechanical alloying. Adv Mater Res. 2012;415–417:1136–1139. doi:https://doi.org/10.4028/www.scientific.net/AMR.415-417.1136.
- Zhang L, Qu X, He X, et al. Hot deformation behavior of Co-base ODS alloys. J Alloys Compd. 2012;512(1):39–46. doi:https://doi.org/10.1016/j.jallcom.2011.08.097.
- Zhang L, Qu X, Qin M, et al. Microstructure and mechanical properties of γ′ strengthened Co-Ni-Al-W-base ODS alloys. Mater Chem Phys. 2012;136(2–3):371–378. doi:https://doi.org/10.1016/j.matchemphys.2012.06.055.
- Zhang L, et al. Microstructural characterization of co-based ODS alloys. J Mater Eng Perform. 2012;21(11):2487–2494. doi:https://doi.org/10.1007/s11665-012-0206-3.
- Casas R, Gálvez F, Campos M. Microstructural development of powder metallurgy cobalt-based superalloys processed by field assisted sintering techniques (FAST). Mater Sci Eng A. 2018;724; doi:https://doi.org/10.1016/j.msea.2018.04.004.
- Cartón-Cordero M, Srinivasarao B, Campos M, et al. On the role of processing parameters in sintered new Co-based (W,Al) alloys. J Alloys Compd. 2016;674:406–412. doi:https://doi.org/10.1016/j.jallcom.2016.03.077.
- Cartón-Cordero M, et al. Microstructure and compression strength of Co-based superalloys hardened by γ′ and carbide precipitation. Mater Sci Eng A. 2018;734(May):437–444. doi:https://doi.org/10.1016/j.msea.2018.08.007.
- Ishida K. Intermetallic compounds in co-based alloys-phase stability and application to superalloys. Mater Res Soc. 2009;1128.
- Povstugar I, et al. Elemental partitioning and mechanical properties of Ti- and Ta-containing Co-Al-W-base superalloys studied by atom probe tomography and nanoindentation. Acta Mater. 2014;78:78–85. doi:https://doi.org/10.1016/j.actamat.2014.06.020.
- Cui YF, Zhang X, Xu GL, et al. Thermodynamic assessment of Co-Al-W system and solidification of Co-enriched ternary alloys. J Mater Sci. 2011;46(8):2611–2621. doi:https://doi.org/10.1007/s10853-010-5115-y.
- Muñoz-Moreno R, Ruiz-Navas EM, Srinivasarao B, et al. Microstructural development and mechanical properties of PM Ti-45Al-2Nb-2Mn-0.8vol.%TiB2 processed by field assisted hot pressing. J Mater Sci Technol. 2014;30(11):1145–1154. doi:https://doi.org/10.1016/j.jmst.2014.08.008.
- Pollock TM, Tin S. Nickel-based superalloys for advanced turbine engines: chemistry, microstructure and properties. J Propuls Power. 2006;22(2):361–374.
- Oliver WC, Pharr GM. An improved technique for determining hardness and elastic modulus using load and displacement sensing indentation experiments. J Mater Res. Jun. 1992;7(6):1564–1583. doi:https://doi.org/10.1557/JMR.1992.1564.
- Shinagawa K, et al. Phase equilibria and microstructure on γ′ phase in Co-Ni-Al-W system. Mater Trans. 2008;49(6):1474–1479. doi:https://doi.org/10.2320/matertrans.MER2008073.
- Liu C, Sun Y, Wen M, et al. Effect of Cr addition on microstructure and welding solidification cracking susceptibility of Co-Al-W based superalloys. J Manuf Process. 2020;56(March):820–829. doi:https://doi.org/10.1016/j.jmapro.2020.03.049.
- Kobayashi S, Tsukamoto Y, Takasugi T. Phase equilibria in the Co-rich Co-Al-W-Ti quaternary system. Intermetallics. 2011;19(12):1908–1912. doi:https://doi.org/10.1016/j.intermet.2011.08.004.
- Lass EA. The effects of Fe and Si on the phase equilibria in a γ′-strengthened Co–Al–W-based superalloy. J Alloys Compd. 2020;825; doi:https://doi.org/10.1016/j.jallcom.2020.154158.
- Liu X, Kong H, Lu Y, et al. Phase-field simulation on microstructure evolution of D019 phase in γ/γ′ structure of Co–Al–W superalloys. Prog Nat Sci Mater Int. 2020;30(3):382–392. doi:https://doi.org/10.1016/j.pnsc.2020.05.004.
- Mughrabi H, Tetzlaff U. Microstructure and high-temperature strength of monocrystalline nickel-base superalloys. Adv Eng Mater. 2000;2(6):319–326. doi:https://doi.org/10.1002/1527-2648(200006)2:6<319::AID-ADEM319>3.0.CO;2-S.
- Pollock TM, Field RD. Chapter 63 Dislocations and high-temperature plastic deformation of superalloy single crystals. Disloc Solids. Jan. 2002;11(C):547–618. doi:https://doi.org/10.1016/S1572-4859(02)80014-6.
- Zhang JX, Wang JC, Harada H, et al. The effect of lattice misfit on the dislocation motion in superalloys during high-temperature low-stress creep. Acta Mater. 2005;53:4623–4633. doi:https://doi.org/10.1016/j.actamat.2005.06.013.
- Tanaka K, Ooshima M, Tsuno N, et al. Creep deformation of single crystals of new Co–Al–W-based alloys with fcc/L12 two-phase microstructures. Philos Mag. Nov. 2012;92(32):4011–4027. doi:https://doi.org/10.1080/14786435.2012.700416.
- Pyczak F, et al. Plastic deformation mechanisms in a crept L1 2 hardened Co-base superalloy. Mater Sci Eng A. 2013;571:13–18. doi:https://doi.org/10.1016/j.msea.2013.02.007.
- Mughrabi H. The importance of sign and magnitude of γ/γ′ lattice misfit in superalloys-with special reference to the new γ′-hardened cobalt-base superalloys. Acta Mater. 2014;81:21–29. doi:https://doi.org/10.1016/j.actamat.2014.08.005.
- Epishin AI, Link T, Fedelich B, et al. Hot isostatic pressing of single-crystal nickel-base superalloys: mechanism of pore closure and effect on mechanical properties. MATEC Web Conf. 2014;14; doi:https://doi.org/10.1051/matecconf/20141408003.
- Collins DM, et al. Lattice misfit during ageing of a polycrystalline nickel-base superalloy. Acta Mater. 2013;61(20):7791–7804. doi:https://doi.org/10.1016/j.actamat.2013.09.018.
- Ooshima M, Tanaka K, Okamoto NL, et al. Effects of quaternary alloying elements on the γ′ solvus temperature of Co-Al-W based alloys with fcc/L12 two-phase microstructures. J Alloys Compd. 2010;508(1):71–78. doi:https://doi.org/10.1016/j.jallcom.2010.08.050.
- Guan Y, Liu Y, Ma Z, et al. Investigation on γ′ stability in CoNi-based superalloys during long-term aging at 900°C. J Alloys Compd. 2020;842:1–10. doi:https://doi.org/10.1016/j.jallcom.2020.155891.
- Li Y, et al. Thermal stability of γ′ phase in long-term aged Co-Al-W alloys. J Alloys Compd. 2017;729(September):266–276. doi:https://doi.org/10.1016/j.jallcom.2017.09.157.
- Wagner C, Elektrochem Z. Theory of precipitate change by redissolution (Ostwald Reifung). Z Elektrochem. 1961;65:581–591.
- Lifshitz IM, Slyozov VV. The kinetics of precipitation from supersaturated solid solutions. J Phys Chem Solids. Apr. 1961;19(1–2):35–50. doi:https://doi.org/10.1016/0022-3697(61)90054-3.
- Sauza DJ, Bocchini PJ, Dunand DC, et al. Influence of ruthenium on microstructural evolution in a model Co-Al-W superalloy. Acta Mater. 2016;117:135–145. doi:https://doi.org/10.1016/j.actamat.2016.07.014.
- Meher S, Nag S, Tiley J, et al. Coarsening kinetics of γ′ precipitates in cobalt-base alloys. Acta Mater. 2013;61(11):4266–4276. doi:https://doi.org/10.1016/j.actamat.2013.03.052.
- Titus MS, Suzuki A, Pollock TM. High temperature creep of new L12-containing cobalt-base superalloys. Superalloys 2012: 12th Int Sym on Superalloys. 2012: 823–832.
- Lass EA, Sauza DJ, Dunand DC, et al. Multicomponent γ′-strengthened co-based superalloys with increased solvus temperatures and reduced mass densities. Acta Mater. Apr. 2018;147:284–295. doi:https://doi.org/10.1016/j.actamat.2018.01.034.
- Long FR, et al. Microstructure and creep performance of a multicomponent co-based L12–ordered intermetallic alloy. Acta Mater. 2020;196:396–408. doi:https://doi.org/10.1016/j.actamat.2020.06.050.