Additive Manufacturing of Metals: A Review

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Exploration and Development of High Entropy Alloys for Structural Applications (2014, methodology): “Additive manufacturing techniques [69,70] may reduce the manual labor currently used in producing such diffusion multiples.”
On the origin of the high tensile strength and ductility of additively manufactured 316L stainless steel: Multiscale investigation (2020, background): “ing material waste, component lead-time and carbon footprint [4].”
An overview of powder granulometry on feedstock and part performance in the selective laser melting process (2017, background): “Although both techniques are capable of producing near net shape metallic components, SLM generally manufactures higher precision parts with better as-built surface quality than EBM but often at the expense of longer build times and higher residual stresses [4].”
Additive manufacturing of metallic components – Process, structure and properties (2018, background): “Wire and metallic sheet based AM processes are fast but lack dimensional accuracy and result in defects and poor surface finish especially for parts with complex shapes [13,14].”
An overview of wire arc additive manufacturing (WAAM) in shipbuilding industry (2020, background): “Additive Manufacturing with metals can be classified into three main groups according to the source of energy which is typically in the form of laser, electron beams and plasma arc (Herderick 2011; Harun et al. 2018).”