Abstract

Here, additive Manufacturing (AM), widely known as 3D printing, is a method of manufacturing that forms parts from powder, wire, or sheets in a process that proceeds layer-by-layer.Many techniques (using many different names) have been developed to accomplish this via melting or solid - state joining. In this review, these techniques for producing metal parts are explored, with a focus on the science of metal AM: processing defects, heat transfer, solidification, solid- state precipitation, mechanical properties, and post-processing metallurgy. The various metal AM techniques are compared, with analysis of the strengths and limitations of each. Few alloys have been developed for commercial production, but recent development efforts are presented as a path for the ongoing development of new materials for AM processes.

Keywords

Powder metallurgyMaterials scienceMetallurgyLayer (electronics)Process (computing)Solid-statePrecipitationProcess engineeringMechanical engineeringManufacturing engineeringComputer scienceEngineeringNanotechnologyEngineering physicsMicrostructure

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Publication Info

Year
2016
Type
article
Volume
61
Issue
5
Pages
315-360
Citations
2342
Access
Closed

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Cite This

William J. Sames, F.A. List, Sreekanth Pannala et al. (2016). The metallurgy and processing science of metal additive manufacturing. International Materials Reviews , 61 (5) , 315-360. https://doi.org/10.1080/09506608.2015.1116649

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DOI
10.1080/09506608.2015.1116649