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Type Zhou, Yang; Mao, Zugang; Booth-Morrison, Christopher; Seidman, David N.
  Publication The partitioning and site preference of rhenium or ruthenium in model nickel-based superalloys: An atom-probe tomographic and first-principles study Volume Journal Article
Pages 2008
  Abstract Applied Physics Letters  
  Corporate Author  
Publisher 93  
  Summary Language 171905 Series Editor  
Abbreviated Series Title The partitioning behavior and sublattice site preference of Re or Ru in the Ni3Al (L12) gamma[prime]- precipitates of model Ni-Al-Cr alloys are investigated by atom-probe tomography (APT) and first-principles calculations. Rhenium and Ru are experimentally observed to partition to the gamma(fcc)-phase, which is consistent with the smaller values of the gamma-matrix Re and Ru substitutional formation energies determined by first-principles calculations. APT measurements of the gamma[prime]-precipitate composition indicate that Re and Ru occupy the Al sublattice sites of the Ni3Al (L12) phase. The preferential site substitution of Re and Ru at Al sublattice sites is confirmed by first-principles calculations
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no NU @ c-booth @ 10532
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