Single-Track Morphology, Crystal Orientation and Microstructure of DD91 Nickel-Based Single Crystal Superalloy Fabricated by Selective Laser Melting

Jikang Li; Zhenwu Zhang; Yuanqi Yang; Chao Cai; Wei Li; Qingsong Wei

doi:10.3788/CJL202249.1402103

[1] Li Y, Zheng P J, Zhang J B et al. Research progress and prospect of directional solidification technology[J]. Materials Reports, 28, 108-112(2014).

[2] Liu L, Sun D J, Huang T W et al. Directional solidification under high thermal gradient and its application insuperalloys processing[J]. Acta Metallurgica Sinica, 54, 615-626(2018).

[3] Guo R F, Liu L, Li Y F et al. Numerical simulation of temperature field and grain texture during casting single crystal superalloy DD403 with liquid metal cooling[J]. Foundry, 63, 145-151(2014).

[4] Teng Q, Li S, Xue P J et al. High-temperature corrosion resistance of Inconel 718 fabricated by selective laser melting[J]. The Chinese Journal of Nonferrous Metals, 29, 1417-1426(2019).

[5] Gäumann M, Henry S, Cléton F et al. Epitaxial laser metal forming: analysis of microstructure formation[J]. Materials Science and Engineering: A, 271, 232-241(1999).

[6] He P D, Webster R F, Yakubov V et al. Fatigue and dynamic aging behavior of a high strength Al-5024 alloy fabricated by laser powder bed fusion additive manufacturing[J]. Acta Materialia, 220, 117312(2021).

[7] DebRoy T, Mukherjee T, Wei H L et al. Metallurgy, mechanistic models and machine learning in metal printing[J]. Nature Reviews Materials, 6, 48-68(2021).

[8] Huang W D, Lin X, Chen J[M]. Laser solid forming(2007).

[9] Wang G W, Shen X F, Yang J L et al. Microstructure evolution and tensile property of a first-generation single crystal superalloy fabricated by laser melting deposition[J]. Materials Research Express, 7, 076511(2020).

[10] Liang Y J, Li J, Li A et al. Solidification path of single-crystal nickel-base superalloys with minor carbon additions under laser rapid directional solidification conditions[J]. Scripta Materialia, 127, 58-62(2017).

[11] Liang Y J, Li J, Li A et al. Experimental optimization of laser additive manufacturing process of single-crystal nickel-base superalloys by a statistical experiment design method[J]. Journal of Alloys and Compounds, 697, 174-181(2017).

[12] Pan A Q, Zhang H, Wang Z M. Process parameters and microstructure of Ni-based single crystal superalloy processed by selective laser melting[J]. Chinese Journal of Lasers, 46, 1102007(2019).

[13] Yang J J, Li F Z, Pan A Q et al. Microstructure and grain growth direction of SRR99 single-crystal superalloy by selective laser melting[J]. Journal of Alloys and Compounds, 808, 151740(2019).

[14] Shrestha S, Chou K. An investigation into melting modes in selective laser melting of Inconel 625 powder: single track geometry and porosity[J]. The International Journal of Advanced Manufacturing Technology, 114, 3255-3267(2021).

[15] Yuan W H, Chen H, Wei Q S. The role of recoil pressure in thermodynamic behaviors of molten pool during selective laser melting[J]. Journal of Mechanical Engineering, 56, 213-219(2020).

[16] Vaglio E, De Monte T, Lanzutti A et al. Single tracks data obtained by selective laser melting of Ti6Al4V with a small laser spot diameter[J]. Data in Brief, 33, 106443(2020).

[17] Catchpole-Smith S, Aboulkhair N, Parry L et al. Fractal scan strategies for selective laser melting of ‘unweldable’ nickel superalloys[J]. Additive Manufacturing, 15, 113-122(2017).

[18] Zhang J, Li S, Wei Q S et al. Cracking behavior and inhibiting process of Inconel 625 alloy formed by selective laser melting[J]. Chinese Journal of Rare Metals, 39, 961-966(2015).

[19] Hariharan A, Lu L, Risse J et al. Misorientation-dependent solute enrichment at interfaces and its contribution to defect formation mechanisms during laser additive manufacturing of superalloys[J]. Physical Review Materials, 3, 123602(2019).

[20] Rong P, Wang N, Wang L et al. The influence of grain boundary angle on the hot cracking of single crystal superalloy DD6[J]. Journal of Alloys and Compounds, 676, 181-186(2016).

[21] Tang Y T, Panwisawas C, Ghoussoub J N et al. Alloys-by-design: application to new superalloys for additive manufacturing[J]. Acta Materialia, 202, 417-436(2021).

[22] Wu Y C, San C H, Chang C H et al. Numerical modeling of melt-pool behavior in selective laser melting with random powder distribution and experimental validation[J]. Journal of Materials Processing Technology, 254, 72-78(2018).

[23] Liu L T, Chen C Y, Li X et al. Research progress in laser additive manufacturing technology of single crystal superalloy[J]. Journal of Netshape Forming Engineering, 11, 73-80(2019).

[24] Shi D K[M]. Fundamentals of materials science, 239-247(2003).

[25] Tönhardt R, Amberg G. Phase-field simulation of dendritic growth in a shear flow[J]. Journal of Crystal Growth, 194, 406-425(1998).

[26] Wang G W, Liang J J, Zhou Y Z et al. Variation of crystal orientation during epitaxial growth of dendrites by laser deposition[J]. Journal of Materials Science & Technology, 34, 732-735(2018).

[27] Murakami K, Aihara H, Okamoto T. Growth direction of columnar crystals solidified in flowing melt[J]. Acta Metallurgica, 32, 933-939(1984).

[28] Lu N N, Lei Z L, Yu X F et al. Effects of melt convection on stray grain formation in single crystal superalloys during directed energy deposition[J]. Additive Manufacturing, 48, 102429(2021).

[29] Cao L M, Yang X Q, Xue M et al. Influence of temperature parameters during directional solidification on structure of as-cast rhenium-containing Ni-base single crystal superalloy[J]. Journal of Materials Engineering, 40, 8-11(2012).

[30] Gäumann M, Bezençon C, Canalis P et al. Single-crystal laser deposition of superalloys: processing-microstructure maps[J]. Acta Materialia, 49, 1051-1062(2001).

[31] Wu K, Zhang J L, Wu B et al. Research and development of Ni-based superalloy fabricated by laser additive manufacturing technology[J]. Journal of Iron and Steel Research, 29, 953-959(2017).

[32] Sun X F, Song W, Liang J J et al. Research and development in materials and processes of superalloy fabricated by laser additive manufacturing[J]. Acta Metallurgica Sinica, 57, 1471-1483(2021).

[33] Pan A Q, Zhang L, Wang Z M. Directional solidification microstructure and segregation of SRR99 superalloys by selective laser melting[J]. Laser & Optoelectronics Progress, 54, 101409(2017).

[34] Hu S S, Yang W C, Li Z R et al. Formation mechanisms and control method for stray grains at melt-back region of Ni-based single crystal seed[J]. Progress in Natural Science: Materials International, 31, 624-632(2021).

[35] Lu N N, Lei Z L, Hu K et al. Hot cracking behavior and mechanism of a third-generation Ni-based single-crystal superalloy during directed energy deposition[J]. Additive Manufacturing, 34, 101228(2020).