Effect of solutionizing and aging on the microstructure and mechanical properties of powder bed binder jet printed nickel-based superalloy 625

Mostafaei, Amir; Behnamian, Yashar; Krimer, Y.; Stevens, Erica; Luo, Jing; Chmielus, Markus

doi:10.1016/j.matdes.2016.08.083

Cited by 75 publications

(28 citation statements)

References 43 publications

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“…Krimer, E.L. Stevens, J.L. Luo, M. Chmielus, 2016) [1–3]. The collected data presents the characterization of the as-received gas- and water-atomized alloy 625 powders, BJP processing parameters and density of the sintered samples.…”

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Data on the densification during sintering of binder jet printed samples made from water- and gas-atomized alloy 625 powders

et al. 2017

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Binder jet printing (BJP) is a metal additive manufacturing method that manufactures parts with complex geometry by depositing powder layer-by-layer, selectively joining particles in each layer with a polymeric binder and finally curing the binder. After the printing process, the parts still in the powder bed must be sintered to achieve full densification (A. Mostafaei, Y. Behnamian, Y.L. Krimer, E.L. Stevens, J.L. Luo, M. Chmielus, 2016; A. Mostafaei, E. Stevens, E. Hughes, S. Biery, C. Hilla, M. Chmielus, 2016; A. Mostafaei, Y. Behnamian, Y.L. Krimer, E.L. Stevens, J.L. Luo, M. Chmielus, 2016) [1–3]. The collected data presents the characterization of the as-received gas- and water-atomized alloy 625 powders, BJP processing parameters and density of the sintered samples. The effect of sintering temperatures on the microstructure and the relative density of binder jet printed parts made from differently atomized nickel-based superalloy 625 powders are briefly compared in this paper. Detailed data can be found in the original published papers by authors in (A. Mostafaei, J. Toman, E.L. Stevens, E.T. Hughes, Y.L. Krimer, M. Chmielus, 2017) [4].

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Data on the densification during sintering of binder jet printed samples made from water- and gas-atomized alloy 625 powders

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“…Intragranular precipitates then form again during cooling after deformation, with a distribution that mainly depends on the cooling rate from high temperature. Optimizing their distribution enables to adjust the mechanical properties and is thus the purpose of dedicated solution and ageing treatments [8,9]. Before such precipitation treatment, a solution treatment is performed, at a temperature below the γ' solvus at which all hardening precipitates are dissolved into the matrix while primary ones remain.…”

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Overgrown grains appearing during sub-solvus heat treatment in a polycrystalline γ-γ’ Nickel-based superalloy

2018

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Highlights 1) Grain overgrowth during annealing after deformation is a case of critical recrystallization involving a limited number of nuclei. 2) The difference in stored energy between the overgrown grains and the matrix is the key microstructural driving force. 3) The self-impingement of the overgrown grains is the main size-limiting phenomenon, before Zener-pinning by second-phase particles. 4) The relative magnitudes of the driving forces at the deformed state enable to predict the occurrence of this phenomenon.

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“…Nickel-based superalloys possess high strength, creep resistance, fatigue resistance, and oxidation resistance at elevated temperatures, so they are widely employed in the aerospace industry, where several typical applications deal with gas turbines, jet engines, and so on [1][2][3][4][5]. In addition, some nickel-based superalloys, such as Inconel 718 [6][7][8][9], Inconel X-750 [10][11][12], and Hastelly C276 [13], which are frequently employed at elevated temperatures, also become a promising candidate for manufacturing a workpiece at cryogenic temperatures because of their high structure stability, excellent ductility, high toughness, high corrosion resistance, and especially high elastic limit under cryogenic environments.…”

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Influence of Heat Treatment on Microstructures and Mechanical Properties of NiCuCrMoTiAlNb Nickel-Based Alloy

Jiang

Sun

Zhang

et al. 2018

Metals

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Abstract:As-cast NiCuCrMoTiAlNb nickel-based alloys were subjected to two-stage heat treatment, including solution treatment and subsequent aging treatment. Furthermore, the influence of heat treatment on microstructures and mechanical properties of NiCuCrMoTiAlNb nickel-based alloys was further investigated. The as-cast NiCuCrMoTiAlNb Ni-based alloys are able to experience large plastic deformation at room temperature, where nanocrystalline phases are induced. In the case of heat-treated NiCuCrMoTiAlNb nickel-based alloys, with increasing Nb content, plenty of Ni 3 (Al, Ti) precipitates (γ phases) are distributed in the γ matrix and they are able to become the obstacles to impede the movement of dislocations, which is responsible for increasing the yield strength of NiCuCrMoTiAlNb nickel-based alloys. Pile-up of dislocations in the vicinity of γ precipitates adversely influences plasticity of NiCuCrMoTiAlNb nickel-based alloys.

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Effect of solutionizing and aging on the microstructure and mechanical properties of powder bed binder jet printed nickel-based superalloy 625

Cited by 75 publications

References 43 publications

Data on the densification during sintering of binder jet printed samples made from water- and gas-atomized alloy 625 powders

Data on the densification during sintering of binder jet printed samples made from water- and gas-atomized alloy 625 powders

Overgrown grains appearing during sub-solvus heat treatment in a polycrystalline γ-γ’ Nickel-based superalloy

Influence of Heat Treatment on Microstructures and Mechanical Properties of NiCuCrMoTiAlNb Nickel-Based Alloy

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