Thermal effects on microstructural heterogeneity of Inconel 718 materials fabricated by electron beam melting

By W. Sames, K. Unocic, Ryan R. Dehoff, T. Lolla, S. Babu. 2014

199 citations recorded by the source corpus.

Subfields: Automotive Engineering, Mechanical Engineering

View Paper: https://www.semanticscholar.org/paper/aa6e82c95748f3ae33d3777229fdc69c26f7bc8c

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Citations in the corpus

Knowledge of process-structure-property relationships to engineer better heat treatments for laser powder bed fusion additive manufactured Inconel 718 (2019, background): “Thermo-Calc [53] simulations mimicking solidification conditions of EB-PBF processed IN718 showed segregation of Nb, Mo, Ti, and C elements to interdendritic regions and corresponding depletion from the γ matrix [54].”
Comparison of Residual Stresses in Inconel 718 Simple Parts Made by Electron Beam Melting and Direct Laser Metal Sintering (2015, unknown): “[22] The precipitate that dominates in the EBM build is the dphase which is most likely similar to what was reported by Sames et al. 2014.”
Additive manufacturing of metallic components by selective electron beam melting — a review (2016, background): “In-situ heat treatment during SEBM can also lead to the nucleation and growth of precipitates.(16,36,37) Figure 7 (right) shows the γ/γ′ microstructure with the typical cuboidshaped γ′-precipitates in CMSX-4.”
Additive manufacturing of metallic components – Process, structure and properties (2018, unknown): “PBF-EB 5 10(4) IN 718 deposit, speed is 500 mm/s, 750 C preheat [146]”
Effect of laser rescanning on the grain microstructure of a selective laser melted Al-Mg-Zr alloy (2018, background): “A study on EBM of IN718 found agreement between observed grain microstructure and that predicted by a solidification map [6].”
Additive Manufacturing of Metallic Materials: A Review (2017, background): “Their works show that Arcam fabricated Inconel 718 grain growth can be specifically controlled by these two factors [42].”
Computational modeling of residual stress formation during the electron beam melting process for Inconel 718 (2015, unknown): “[6] Sames WJ, Unocic KA, Dehoff RR, Lolla T, Babu SS.”
Anisotropy and heterogeneity of microstructure and mechanical properties in metal additive manufacturing: A critical review (2018, background): “Some metal AM systems like LENS and UAM typically work at low process temperatures, while others such as EBM could require a processing temperature as high as ~1000 C for some high-temperature materials [59].”
Review of Powder Bed Fusion Additive Manufacturing for Metals (2021, background): “An increase in grain width and precipitation coarsening was found as the distance from build table increased [109,116].”