Direct observations of nucleation in a nondilute multicomponent alloy

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dc.creatorSudbrack, Chantal K.
dc.creatorNoebe, Ronald D.
dc.creatorSeidman, David N.
dc.date2005-08-04
dc.date2006-02-23
dc.date.accessioned2026-07-07T06:41:31Z
dc.date.available2026-07-07T06:41:31Z
dc.descriptionThe chemical pathways leading to gamma-prime(L1_2)-nucleation from nondilute Ni-5.2 Al-14.2 Cr at.%, gamma(f.c.c.), 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.
dc.description5 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0508117
dc.identifierhttp://arxiv.org/abs/cond-mat/0508117
dc.identifierPHYSICAL REVIEW B 73, 212101 2006
dc.identifierdoi:10.1103/PhysRevB.73.212101
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/101695
dc.subjectMaterials Science
dc.titleDirect observations of nucleation in a nondilute multicomponent alloy
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