Progress in the processing and understanding of alloy 718 fabricated through powder bed additive manufacturing processes

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5 Scopus citations

Abstract

This paper reviews currently available information on the processing and understanding of Alloy 718 fabricated through powder bed additive manufacturing processes, specifically selective laser melting, electron beam melting, and binder jet additive manufacturing. In each instance, the microstructures formed exhibit attributes unique to the process used. Through post-processing, these materials are capable of achieving property behaviors similar to that of the long utilized wrought material. While AM processes are complex, computational modeling has been successfully applied to capture the heat and mass transfer, microstructure evolution, and constitutive response of the material.

Original languageEnglish
Title of host publicationProceedings of the 9th International Symposium on Superalloy 718 and Derivatives
Subtitle of host publicationEnergy, Aerospace, and Industrial Applications
EditorsChantal Sudbrack, Eric Ott, Xingbo Liu, Kevin Bockenstedt, Daisuke Nagahama, Joel Andersson, Karl Heck, Max Kaplan, Ian Dempster, Paul Jablonski, Zhongnan Bi, Jon Groh
PublisherSpringer International Publishing
Pages69-88
Number of pages20
ISBN (Electronic)9783319894799
DOIs
StatePublished - 2018
Event9th International Symposium on Superalloy 718 and Derivatives: Energy, Aerospace, and Industrial Applications - Pittsburgh, United States
Duration: Jun 3 2018Jun 6 2018

Publication series

NameMinerals, Metals and Materials Series
Volume2018-June
ISSN (Print)2367-1181
ISSN (Electronic)2367-1696

Conference

Conference9th International Symposium on Superalloy 718 and Derivatives: Energy, Aerospace, and Industrial Applications
Country/TerritoryUnited States
CityPittsburgh
Period06/3/1806/6/18

Funding

Notice of Copyright This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http:// energy.gov/downloads/doe-public-access-plan).

Keywords

  • Additive manufacturing
  • Alloy 718
  • Creep
  • Fatigue
  • Superalloy
  • Tensile behavior

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