Novel precipitate–microstructural architecture developed in the fabrication of solid copper components by additive manufacturing using electron beam melting

By D. A. Ramirez, L. Murr, E. Martinez, D. Hernandez, J. Martínez, B. I. Machado, Francisco Medina, P. Frigola, Ryan B. Wicker. 2011

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An exploration of binder jetting of copper (2015, background): “Copper components and open-cellular copper structures have been successfully created via Electron Beam Melting (EBM) from atomized copper precursor powders [4–6].”
The origin of high-density dislocations in additively manufactured metals (2020, background): “are no solute atoms or particles available for redistribution, which are critical factors for dislocation pinning and accumulations [19], the cellular solidificationmechanism is unlikely to account for the observed high-density dislocations.”
3D Printing of Highly Pure Copper (2019, methodology): “[76] investigated the effects of Cu2O on the microstructure of the EBMprinted copper components with the use of a relatively impure Cu precursor powder (98.”
Site specific control of crystallographic grain orientation through electron beam additive manufacturing (2015, result): “This behaviour has been widely reported by researchers in field of AM of metals.(18,19) However, in Region 2, the point melt scan strategies (Scan Strategy 2) impose G and R that are at the boundary of transition from columnar to equiaxed solidification growth.”
Review of Powder Bed Fusion Additive Manufacturing for Metals (2021, methodology): “built reticulated mesh and randomized stochastic foam structures [320] and solid samples [28] via EBM using 99.”