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Microstructure and Mechanical Properties of High Shear Material Deposition of Rare Earth Magnesium Alloys WE43

  • Z. McClelland
  • D. Z. Avery
  • M. B. Williams
  • C. J. T. Mason
  • O. G. Rivera
  • C. Leah
  • P. G. AllisonEmail author
  • J. B. Jordon
  • R. L. Martens
  • N. Hardwick
Conference paper
Part of the The Minerals, Metals & Materials Series book series (MMMS)

Abstract

In this work, microstructural characterization and mechanical properties are investigated for rare earth magnesium alloy, WE43, manufactured via a high-shear deposition process. The unique solid-state manufacturing process deposits feedstock via a hollow nonconsumable rotating cylindrical tool, thereby generating heat and plastically deforming the feedstock through controlled pressure as successive layers are metallurgically bonded upon a substrate. In this research, dynamic recrystallization and grain refinement is characterized for the as-deposited WE43 samples using Electron Backscattered Diffraction (EBSD). The EBSD results for as-deposited WE43 depict a refined grain structure formed by dynamic recrystallization (DRX). To quantify material properties, quasi-static tension tests were performed in three orthogonal directions to elucidate mechanical performance and isotropic behavior of as-deposited WE43.

Keywords

Additive manufacturing Magnesium alloys Characterization 

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Copyright information

© The Minerals, Metals & Materials Society 2019

Authors and Affiliations

  • Z. McClelland
    • 1
  • D. Z. Avery
    • 2
  • M. B. Williams
    • 2
  • C. J. T. Mason
    • 2
  • O. G. Rivera
    • 2
  • C. Leah
    • 2
  • P. G. Allison
    • 2
    Email author
  • J. B. Jordon
    • 2
  • R. L. Martens
    • 3
  • N. Hardwick
    • 4
  1. 1.US Army ERDCVicksburgUSA
  2. 2.Department of Mechanical EngineeringThe University of AlabamaTuscaloosaUSA
  3. 3.Central Analytical Facility, The University of AlabamaTuscaloosaUSA
  4. 4.MELD Manufacturing CorporationChristiansburgUSA

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