4.6 Article

Deformation behavior of β′ and β′ precipitates in Mg-RE alloys

Journal

MATERIALS LETTERS
Volume 216, Issue -, Pages 67-69

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.12.149

Keywords

Magnesium alloy; Strengthening mechanisms; Scanning/transmission electron microscopy (STEM)

Funding

  1. U.S. Department of Energy - Basic Energy science program [DE-SC0008637]
  2. University of Michigan Rackham Graduate School
  3. Michigan Center for Materials Characterization at the University of Michigan
  4. Magnesium Elektron Inc.
  5. U.S. Department of Energy (DOE) [DE-SC0008637] Funding Source: U.S. Department of Energy (DOE)

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The deformation behavior of the coherent beta' phase in a Mg-Nd alloy and beta' phase in a Mg-Y alloy were determined by examining the aged microstructures both before and after deformation using high angle annular dark field scanning transmission electron microscopy. Both phases were sheared by dislocations with < a > basal slip in Mg-Nd and basal < a > and non-basal < c+a > or < a > slip in Mg-Y. (C) 2018 Elsevier B.V. All rights

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