[1] Sajjadi S.A. , Zebarjad S.M. , Guthrie R.I.L. , Isac, M., Microstructure evolution of high-performance Ni-base superalloy GTD-111 with heat treatment parameters, Journal of Materials Processing Technology, 2006, 175, 376-381.
[2] Szczotok A., Richter J., Cwajna J., Stereological characterization of γ′ phase precipitation in CMSX-6 monocrystalline nickel-base superalloy, Materials Characterization, 2009, 60, 1114-1119.
[3] Rahimian M., Milenkovic S., Sabirov I., Microstructure and hardness evolution in MAR-M247 Ni-based superalloy processed by controlled cooling and double heat treatment, Journal of Alloys and Compounds, 2013, 550, 339-344.
[4] Geddes B., Leon H., Huang X., Superalloys: alloying and performance, ASM International, 2010.
[5] Zhang X., Zhou Y., Jin T., Sun X., Liu L., Effect of solidification rate on grain structure evolution during directional solidification of a Ni-based superalloy, Journal of Materials Science & Technology, 2013, 29, 879-883.
[6] Flemings M.C., Solidification processing, Metallurgical Transactions, 1974, 5, 2121-2134.
[7] Wang F. , Ma D. , Zhang J. , Liu L. , Hong J. , Bogner S., Bührig-Polaczek A., Effect of solidification parameters on the microstructures of superalloy CMSX-6 formed during the downward directional solidification process, Journal of Crystal Growth, 2014, 389, 47-54.
[8] Zhao X., Liu L., Yu Z., Zhang W., Zhang J., Fu H., Influence of directional solidification variables on the microstructure and crystal orientation of AM3 under high thermal gradient, Journal of Materials Science, 2010, 45, 6101-6107.
[9] Xu C., Zhou L.Z., Guo J.T., Yang G.X., Effect of withdrawal rate on microstructures and mechanical properties of directionally solidified superalloy DZ445, The Chinese Journal of Nonferrous Metals, 2011, 21, 757.
[10] Dadkhah A., Kermanpur A., On the precipitation hardening of the directionally solidified GTD-111 Ni-base superalloy: Microstructures and mechanical properties, Materials Science and Engineering: A, 2017, 685, 79-86.
[11] Fallah P., Kebriyaei A., Varahram N., The effect of precipitation hardening on microstructural characteristics of directionally solidified nickel-based superalloy GTD-111, Founding Research Journal, 2017, 1(2) 109-120.
[12] Seifollahi M., Abbasi M., Tavakoli M., Ghazi Mir Saeed, M., Effects of temperature and time of secondary solution heat treatment on γ' phase distribution of GTD-111 polycrystalline superalloy, Metallurgical Engineering, 2019, 22, 42-51.
[13] Schilke P.W., Foster A.D., Pepe J.L., Beltran A.M., Advanced materials propel progress in land-based gas turbines, Advanced Materials & Processes, 1992, 4, 22-30.
[14] Gündüz M., Çadırl E., Directional solidification of aluminium–copper alloys, Materials Science and Engineering: A, 2002, 327, 167-185.
[15] Spear R., Gardner G., Dendrite cell size, AFS Transactions, 1963, 71, 209-215.
[16] Schneider M.C., Gu J.P., Beckermann C., Boettinger W.J., Kattner U.R., Modeling of micro-and macrosegregation and freckle formation in single-crystal nickel-base superalloy directional solidification, Metallurgical and Materials Transactions A, 1997, 28, 1517-1531.
[17] Zhou Y., Sun X., Effect of solidification rate on competitive grain growth in directional solidification of a nickel-base superalloy, Science China Technological Sciences, 2012, 55, 1327-1334.
[18] Walton D., Chalmers U.B., The origin of the preferred orientation in the columnar zone of ingots, Transactions of the American Institute of Mining, Metallurgical, and Petroleum Engineers, 1959, 215, 447-457.
[19] Zhou Y., Volek A., Green N., Mechanism of competitive grain growth in directional solidification of a nickel-base superalloy, Acta Materialia, 2008, 56, 2631-2637.
[20] Milenkovic S., Rahimian M., Sabirov I., Maestro L., Effect of solidification parameters on the secondary dendrite arm spacing in MAR M-247 superalloy determined by a novel approach, EUROSUPERALLOYS, 2nd European Symposium on Superalloys and their Applications, EDP Sciences, 2014, 14, 13004.
[21] Weiguo Z., Lin L., Taiwen H., Xinbao Z., et al, Influence of directional solidification variables on primary dendrite arm spacing of Ni-based superalloy DZ125, China Foundry, 2009, 6(4) 300-304.
[22] Zhang Y., Huang B., Li J., Microstructural evolution with a wide range of solidification cooling rates in a Ni-based superalloy, Metallurgical and Materials Transactions A, 2013, 44, 164-1644.
[23] Elliot A.J., Tin S., King W.T., Huang S.C., Gigliotti M.F.X., and et al, Directional solidification of large superalloy castings with radiation and liquid-metal cooling: A comparative assessment, Metallurgical and Materials Transactions A, 2004, 35, 3221-3231.
[24] Dadkhah A., Kermanpur A., On the precipitation hardening of the directionally solidified GTD-111 Ni-base superalloy: Microstructures and mechanical properties, Materials Science and Engineering: A, 2017, 685, 79-86.
[25] Porter D.A., Easterling K.E., Phase transformations in metals and alloys, 3d Ed., CRC Press, New York, 2009, 189-195.
[26] Liu L., Huang T., Qu M., and et al, High thermal gradient directional solidification and its application in the processing of nickel-based superalloys, Journal of Materials Processing Technology, 2010, 210, 159-165.
[27] Singh A.R.P., Nag S., Hwang J.Y., Viswanathan G.B., Influence of cooling rate on the development of multiple generations of γ′ precipitates in a commercial nickel base superalloy, Materials Characterization, 2011, 62, 878-886.
[28] Masoumi F., Shahriari D., Jahazi M., Cormier J., Devaux A., Transient liquid phase bonding of aerospace single crystal Rene-N5 superalloy, Scientific Reports, 2016, 6, 1-16.
