Atom probe tomography spatial reconstruction: Status and directions

DJ Larson, B Gault, BP Geiser, F De Geuser… - Current Opinion in Solid …, 2013 - Elsevier
In this review we present an overview of the current atom probe tomography spatial data
reconstruction paradigm, and explore some potential routes to improve the current …

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 …

Chemical gradients across phase boundaries between martensite and austenite in steel studied by atom probe tomography and simulation

O Dmitrieva, D Ponge, G Inden, J Millán, P Choi… - Acta Materialia, 2011 - Elsevier
Partitioning at phase boundaries of complex steels is important for their properties. We
present atom probe tomography results across martensite/austenite interfaces in a …

Evolution of strength and microstructure during annealing of heavily cold-drawn 6.3 GPa hypereutectoid pearlitic steel wire

YJ Li, P Choi, S Goto, C Borchers, D Raabe… - Acta Materialia, 2012 - Elsevier
Hypereutectoid steel wires with 6.35 GPa tensile strength after a cold-drawing true strain of
6.02 were annealed between 300 and 723K. The ultrahigh strength remained upon …

Behavior of molecules and molecular ions near a field emitter

B Gault, DW Saxey, MW Ashton, SB Sinnott… - New Journal of …, 2016 - iopscience.iop.org
The cold emission of particles from surfaces under intense electric fields is a process which
underpins a variety of applications including atom probe tomography (APT), an analytical …

Nanoscale austenite reversion through partitioning, segregation and kinetic freezing: Example of a ductile 2 GPa Fe–Cr–C steel

L Yuan, D Ponge, J Wittig, P Choi, JA Jiménez… - Acta Materialia, 2012 - Elsevier
Austenite reversion during tempering of a Fe–13.6 Cr–0.44 C (wt.%) martensite results in an
ultra-high-strength ferritic stainless steel with excellent ductility. The austenite reversion …

Atom probe tomography study of ultrahigh nanocrystallization rates in FeSiNbBCu soft magnetic amorphous alloys on rapid annealing

KG Pradeep, G Herzer, P Choi, D Raabe - Acta Materialia, 2014 - Elsevier
Abstract Rapid annealing (4–10 s) induced primary crystallization of soft magnetic Fe–Si
nanocrystals in a Fe 73.5 Si 15.5 Cu 1 Nb 3 B 7 amorphous alloy has been systematically …

A brief overview of atom probe tomography research

B Gault - Applied Microscopy, 2016 - koreascience.kr
Atom probe tomography (APT) has been fast rising in prominence over the past decade as a
key tool for nanoscale analytical characterization of a range of materials systems. APT …

Effects of Cr on the properties of multicomponent cobalt-based superalloys with ultra high γ'volume fraction

DW Chung, JP Toinin, EA Lass, DN Seidman… - Journal of Alloys and …, 2020 - Elsevier
Chromium is known to confer oxidation resistance on Co-based superalloys. Herein we
studied the influence of Cr concentration on the properties of a Co-based superalloy, Co …

Designing Heusler nanoprecipitates by elastic misfit stabilization in Fe–Mn maraging steels

J Millán, S Sandlöbes, A Al-Zubi, T Hickel, P Choi… - Acta materialia, 2014 - Elsevier
Abstract B2 NiMn and Ni 2 MnAl Heusler nanoprecipitates are designed via elastic misfit
stabilization in Fe–Mn maraging steels by combining transmission electron microscopy …