Three-dimensional atom-probe tomography: Advances and applications

DN Seidman - Annu. Rev. Mater. Res., 2007 - annualreviews.org
This review presents the historical temporal evolution of an atom-probe tomograph (APT)
from its genesis (1973) from field-ion microscope images of individual tungsten atoms …

Coupled segregation mechanisms of Sc, Zr and Mn at θ′ interfaces enhances the strength and thermal stability of Al-Cu alloys

L Jiang, B Rouxel, T Langan, T Dorin - Acta Materialia, 2021 - Elsevier
The refinement and thermal stability of intermediate theta-prime (θ′) precipitates are critical
in the development of new high strength 2xxx series aluminium-copper (Al-Cu) alloys for …

Analysis of three-dimensional atom-probe data by the proximity histogram

OC Hellman, JA Vandenbroucke, J Rüsing… - Microscopy and …, 2000 - cambridge.org
The three-dimensional (3D) atom-probe technique produces a reconstruction of the
elemental chemical identities and three-dimensional positions of atoms field evaporated …

< 110> symmetric tilt grain-boundary structures in fcc metals with low stacking-fault energies

JD Rittner, DN Seidman - Physical Review B, 1996 - APS
Abstract Twenty-one< 110> symmetric tilt grain boundaries (GB's) are investigated with
atomistic simulations, using an embedded-atom method (EAM) potential for a low stacking …

Precipitates in Al–Cu alloys revisited: Atom-probe tomographic experiments and first-principles calculations of compositional evolution and interfacial segregation

A Biswas, DJ Siegel, C Wolverton, DN Seidman - Acta Materialia, 2011 - Elsevier
Atom-probe tomography, transmission electron microscopy, X-ray diffraction and first-
principles calculations are employed to study:(i) compositional evolution of GPII zones and …

Subnanoscale studies of segregation at grain boundaries: Simulations and experiments

DN Seidman - Annual Review of Materials Research, 2002 - annualreviews.org
▪ Abstract Lattice statics (0 K) and Monte Carlo (Metropolis algorithm) simulation are utilized
to determine equilibrium and metastable structures of 21 [110] symmetric tilt boundaries …

Effect of interfacial solute segregation on ductile fracture of Al–Cu–Sc alloys

BA Chen, G Liu, RH Wang, JY Zhang, L Jiang, JJ Song… - Acta materialia, 2013 - Elsevier
Three-dimensional atom probe analysis is employed to characterize the Sc segregation at
θ′/α-Al interfaces in Al–2.5 wt.% Cu–0.3 wt.% Sc alloys aged at 473, 523 and 573K …

Nanoscale co-precipitation and mechanical properties of a high-strength low-carbon steel

MD Mulholland, DN Seidman - Acta Materialia, 2011 - Elsevier
Nanoscale co-precipitation in a novel high-strength low-carbon steel is studied in detail after
isothermal aging. Atom-probe tomography is utilized to quantify the co-precipitation of co …

Enhanced age-hardening response and creep resistance of an Al-0.5 Mn-0.3 Si (at.%) alloy by Sn inoculation

AR Farkoosh, DC Dunand, DN Seidman - Acta materialia, 2022 - Elsevier
Precipitation-strengthening at ambient and high temperatures is examined in Al-0.5 Mn-0.3
Si (at.%) alloys with and without 0.02 at.% Sn micro-additions. Isochronal aging experiments …

Grain-boundary segregation in Al–10% Mg alloys at hot working temperatures

XY Liu, JB Adams - Acta Materialia, 1998 - Elsevier
Monte-Carlo simulations are done to determine Mg enrichment at various grain-boundaries
of Al–10% Mg alloys at hot working temperatures. The interatomic potentials used in the …