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Type Sudbrack, Chantal K.; Noebe, Ronald D.; Seidman, David N.
  Publication Direct observations of nucleation in a nondilute multicomponent alloy Volume Journal Article
Pages 2006
  Abstract Physical Review B  
  Corporate Author Phys. Rev. B  
Publisher 73  
Editor 21
  Summary Language 212101:1-4 Series Editor  
Abbreviated Series Title The chemical pathways leading to gamma[prime](L12) nucleation from nondilute Ni-5.2 Al-14.2 Cr at. %, gamma(fcc), at 873 K are followed with radial distribution functions and isoconcentration surface analyses of direct-space atom-probe tomographic images. Although Cr atoms initially are randomly distributed, a distribution of congruent Ni3Al short-range-order domains (SRO), <R>~=0.6 nm, results from Al diffusion during quenching. Domain site occupancy develops as their number density increases leading to Al-rich phase separation by gamma[prime]-nucleation, <R>=0.75 nm, after SRO occurs.
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no NU @ karnesky @ 711
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