, Volume 33, Issue 2, pp 241–252 | Cite as

3D metal printing technology: the need to re-invent design practice

  • Thomas DudaEmail author
  • L. Venkat Raghavan
Open Forum


3D printing or additive manufacturing is a novel method of manufacturing parts directly from digital model using layer-by-layer material build-up approach. This tool-less manufacturing method can produce fully dense metallic parts in short time, with high precision. Features of additive manufacturing like freedom of part design, part complexity, light weighting, part consolidation, and design for function are garnering particular interests in metal additive manufacturing for aerospace, oil and gas, marine, and automobile applications. Powder bed fusion, in which each powder bed layer is selectively fused using energy source like laser, is the most promising additive manufacturing technology that can be used for manufacturing small, low-volume, complex metallic parts. This review presents overview of 3D Printing technologies, materials, applications, advantages, disadvantages, challenges, economics, and applications of 3D metal printing technology, the DMLS process in detail, and also 3D metal printing perspectives in developing countries.


Additive manufacturing 3D metal print Powder bed fusion Economics Complexity for free 


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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2018

Authors and Affiliations

  1. 1.Emerson Automation SolutionsBaarSwitzerland
  2. 2.Emerson Isolation Valves Technology Center of ExcellenceBangaloreIndia

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