Atom probe tomography

B Gault, A Chiaramonti, O Cojocaru-Mirédin… - Nature Reviews …, 2021 - nature.com
Atom probe tomography (APT) provides three-dimensional compositional map** with sub-
nanometre resolution. The sensitivity of APT is in the range of parts per million for all …

Current challenges and opportunities in microstructure-related properties of advanced high-strength steels

D Raabe, B Sun, A Kwiatkowski Da Silva… - … Materials Transactions A, 2020 - Springer
This is a viewpoint paper on recent progress in the understanding of the microstructure–
property relations of advanced high-strength steels (AHSS). These alloys constitute a class …

Ultrahigh specific strength in a magnesium alloy strengthened by spinodal decomposition

T **n, Y Zhao, R Mahjoub, J Jiang, A Yadav… - Science …, 2021 - science.org
Strengthening of magnesium (Mg) is known to occur through dislocation accumulation, grain
refinement, deformation twinning, and texture control or dislocation pinning by solute atoms …

Physical metallurgy of medium-Mn advanced high-strength steels

B Sun, A Kwiatkowski da Silva, Y Wu, Y Ma… - International …, 2023 - Taylor & Francis
Steels with medium manganese (Mn) content (3∼ 12 wt-%) have emerged as a new alloy
class and received considerable attention during the last decade. The microstructure and …

Segregation assisted grain boundary precipitation in a model Al-Zn-Mg-Cu alloy

H Zhao, F De Geuser, AK da Silva, A Szczepaniak… - Acta Materialia, 2018 - Elsevier
Understanding the composition evolution of grain boundaries and grain boundary
precipitation at near-atomic scale in aluminum alloys is crucial to tailor mechanical …

On the formation of “Fish-scale” morphology with curved grain interfacial microstructures during selective laser melting of dissimilar alloys

L Yao, S Huang, U Ramamurty, Z **ao - Acta Materialia, 2021 - Elsevier
For successful fabrication of components using additive manufacturing techniques such as
powder bed fusion (PBF), directed energy deposition, and laser cladding of an alloy on to a …

Grain boundary complexion transitions

PR Cantwell, T Frolov, TJ Rupert… - Annual Review of …, 2020 - annualreviews.org
Grain boundaries can undergo phase-like transitions, called complexion transitions, in
which their structure, composition, and properties change discontinuously as temperature …

Unraveling the two-stage precipitation mechanism in a hierarchical-structured fcc/L21 high-entropy alloy: Experiments and analytical modeling

W Li, W Wang, MC Niu, K Yang, JH Luan, HW Zhang… - Acta Materialia, 2024 - Elsevier
Understanding the phase stability and precipitation mechanisms is crucial for engineering
multiphase nanostructured alloys with optimal mechanical properties. In this work, we …

Segregation-driven grain boundary spinodal decomposition as a pathway for phase nucleation in a high-entropy alloy

L Li, Z Li, AK da Silva, Z Peng, H Zhao, B Gault… - Acta Materialia, 2019 - Elsevier
Elemental segregation to grain boundaries (GBs) can induce structural and chemical
transitions at GBs along with significant changes in material properties. The presence of …

Precipitation and micromechanical behavior of the coherent ordered nanoprecipitation strengthened Al-Cr-Fe-Ni-V high entropy alloy

L Wang, L Wang, S Zhou, Q **ao, Y **ao, X Wang… - Acta Materialia, 2021 - Elsevier
Coherent ordered nanoprecipitation (CON) hardening is an efficient strategy for breaking the
strength-ductility trade-off. Revealing the precipitation mechanism and its influence on …