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CALPHAD

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Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 880-891, October 21–24, 2019,
... Abstract The Alloys-by-Design approach, involving large-scale CALPHAD calculations to search a compositional range, has been used to isolate a suitable nickel-based superalloy for additive manufacturing (AM) by optimizing the trade-off between processability and increasing strength. This has...
Proceedings Papers

AM-EPRI2010, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Sixth International Conference, 386-392, August 31–September 3, 2010,
... for higher-temperature applications. Using the CALPHAD method, a prototype alloy (Ni-23Co-18Cr-8W-4Al-0.1C) was developed by eliminating Ti, Nb, and Ta to improve hot-workability while maintaining strength. The resulting alloy demonstrates twice the creep strength of Nimonic 263, with an estimated 10 5 h...
Proceedings Papers

AM-EPRI2010, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Sixth International Conference, 423-435, August 31–September 3, 2010,
... Abstract A modified version of Alloy 706, designated FENIX-700, was developed using the CALPHAD method to improve high-temperature stability above 700°C. The new alloy features reduced Nb and increased Al content, relying on γ' (Ni 3 Al) strengthening while eliminating γ'' (Ni 3 Nb), δ, and η...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 924-932, October 15–18, 2024,
... the ability of a liquid to backfill the interdendritic regions during solidification. By using computational fluid dynamics (CFD) and CALPHAD (Calculation of Phase Diagrams) analyses, the FRI can evaluate the dendritic network's flow resistance, thereby predicting the cracking susceptibility of different...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 1469-1475, October 21–24, 2019,
... of both phases and the Gibbs free energies of other competing phases in the system. The Gibbs free energy is a combination of the energy of formation of the phase and its entropy representing the temperature dependent part of the Gibbs free energy [9]. The so called CALPHAD method is able to predict Gibbs...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 592-599, October 15–18, 2024,
... the microstructure obtained by a particular processing step or calculate the properties deriving from a set of microstructural features. It should be noted that ICME methodology can be universally applicable to the rapid design and deployment of a variety of material systems. CALPHAD Database for Nb Superalloy...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 768-777, October 11–14, 2016,
.... This study utilized JMatPro [8], a thermodynamics and kinetics package based on the CALculation of PHAse Diagrams (CALPHAD) method and databases. CALPHAD looks at the free energy contributions of each element in the mixture and their potential to form a wide array of phases. In thermodynamic equilibrium...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 235-246, October 15–18, 2024,
... alloy series using a CM 1610 Bottom Loader furnace for a total 110 x 1 h cycles (cooled to 25°C for 20 min after each 1100°C exposure). Weight change measurements were performed with an analytical balance (±0.01 mg) Lastly, the use of both CALPHAD (Thermo-Calc/DICTRA) [38] and a flux-based approach...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 662-668, October 15–18, 2024,
... enrichment, Corros. Sci. 176 (2020), 108937 [6] S. Ida, K. Hoshizaki, T. Kaneko, Xi. Nan, N. Sekido, K. Yoshimi, Off-stoichiometry and molybdenum substitution effects on elastic moduli of B1-type titanium carbide, Scientific Reports 13 (2023), 13631 [7] A. van de Walle et al. CALPHAD: Computer Coupling...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 1126-1137, October 15–18, 2024,
... strengthened alloys [2,21]; and 5) Al and Ti additions to provide additional precipitation strengthening by g , sinks for He+ and improvement in corrosion resistance to molten chloride salt through formation of stable a-Al2O3 scale. In this manuscript, the CALPHAD assessment is not included. The relevant...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 371-381, October 22–25, 2013,
... Re-assessment of the Ternary System Al-Cr-Ni , Calphad, Vol. 25, No. 2 (2001), pp. 279-298. [13] Chakravorty, S., and West, D. R. F., The Constitution of the Ni-Al-Ru System , J. Mater. Sci., Vol. 21, (1986), pp. 2721-2730. [14] Zhu, J., Zhang, C., Cao, W., et al,, Experimental Investigation...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 897-908, October 15–18, 2024,
...] Pillai, R., T. Galiullin, A. Chyrkin, W.J. Quadakkers, Methods to increase computational efficiency of CALPHAD-based thermodynamic and kinetic models employed in describing high temperature material degradation, CALPHAD, Vol. 53 (2016) pp. 62-71. [13] Thermo-Calc, Thermo-Calc Software TCNi11/Ni-alloys...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 1363-1371, October 22–25, 2013,
... (1991), 151-159. [4] Y. Tsukada, Y. Murata, T. Koyama, and M. Morinaga, Mater. Trans. 49(2008), 484-488. [5] Y. Murata, T. Koyama, M. Morinaga, and T. Miyazaki, ISIJ Int. 42 (2002), 1423 1429. [6] N. Saunders and A. P. Miodownik, CALPHAD, Pergamon, (1998). [7] V. Thomas Paul, S. Saroja, and M...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 486-493, October 11–14, 2016,
...] Murata, Y., Koyama, T., Morinaga, M. and Miyazaki, T., Prediction of the Laves Phase Morphology in Fe-Cr-W-C Quaternary Steels with the Aid of System Free Energy Concept , ISIJ Int. 42 (2002), pp. 1423 1429. [6] Saunders, N. and Miodownik, A.P., CALPHAD, Pergamon, (Oxford, 1998). [7] Thomas P.V., Saroja...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 1408-1417, October 21–24, 2019,
... at Elevated Temperatures J. Japan Inst. Metals, Vol. 75, No,4, 2011, pp.265-273. 1416 [3] E.Kozeschnik, Thermo-kinetics based materials modeling with MatCalc-Functionality and integration , 2014. [4] Taichi Abe, Kiyoshi Hashimoto, Thermodynamic Calculations using CALPHAD Method and their Applications...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 227-234, October 21–24, 2019,
.... The following phases were selected independently for calculation: BCC, FCC, M23C6 carbide, Laves phase (Fe2(W,Mo) (C14). The particle coarsening kinetic was calculated using Prisma-software on the base Calphad Database Calculation with the kinetic MOBFE1 and the thermodynamic TCFE6 databases. The model...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 412-423, October 22–25, 2013,
... and Phase Equilibrium Software from the National Physical Laboratory . CALPHAD. June 2002, Vol. 26, 2, pp. 229-271. [4] Saunders, N, Phase Diagram Calculations for Ni-based Superalloys. [ed.] R. D. Kissinger, et al: The Minerals, Metals & Materials Society, Warrendale, PA 150867528, USA, 1996. Proceedings...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 1093-1103, October 22–25, 2013,
... steels , Energy Materials (2006) Vol. 1(1), pp. 49-57. [9] Danielsen, H.K.; Hald, J.: A thermodynamic model of the Z-phase Cr(V, Nb)N , Calphad 31, 2007, pp. 505-514. [10] Kimura, K; Toda, Y; Kushima, H; Sawada, K.: Creep strength of high chromium steel with ferrite matrix , International journal...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 1116-1126, October 22–25, 2013,
... % Cr steels. VGB Power Tech (2009):68. 1125 [5] Danielsen HK, Hald J. "A thermodynamic model of the Z-phase Cr(V, Nb)N". CALPHAD-Computer Coupling of PHase Diagrams and Thermochemistry (2007);31:505. [6] Liu F, Andrén H-O. "Initial study on Z-phase strengthened 9-12% Cr steels by atom probe tomography...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 13-22, October 15–18, 2024,
.... Kozeschnik, Modeling Solid-State Precipitation , Momentum Press (2013). [3] P. Schaffnit, C. Stallybrass, J. Konrad, F. Stein and M. Weinberg, A Scheil-Gulliver model dedicated to the solidification of steel , CALPHAD 48 (2015) pp. 184-188. 21 [4] I. Tarigan, K. Kurata, N. Takata, T. Matsuo and M. Takeyama...