Atomistic assessment of solute-solute interactions during grain boundary segregation

TP Matson, CA Schuh - Nanomaterials, 2021 - mdpi.com
… motivated atomistic method to assess solute interactions during grain boundary segregation,
… For the Al-Mg system, we show how atomistic simulations can be used to measure the full …

Atomistic and machine learning studies of solute segregation in metastable grain boundaries

Y Mahmood, M Alghalayini, E Martinez, CJJ Paredis… - Scientific Reports, 2022 - nature.com
… structures in boundary segregation. To this end, we leverage atomistic simulations to construct
… simulation data are randomly split such that 90% (10%) of data are used to train (test) the …

Grain boundary energy effect on grain boundary segregation in an equiatomic high-entropy alloy

L Li, RD Kamachali, Z Li, Z Zhang - Physical Review Materials, 2020 - APS
Grain boundary (GB) segregation has a substantial effect on … The mechanism of nanoscale
segregation at the various GBs in … atomistic thermodynamic assessment of HEAs as well as a …

[HTML][HTML] Grain boundary segregation for the Fe-P system: Insights from atomistic modeling and Bayesian inference

A Reichmann, N Tuchinda, C Dösinger, D Scheiber… - Acta Materialia, 2024 - Elsevier
… In this work we re-assess experimental data for grain boundary (GB) segregation of P in
bcc Fe … equation was used to extract segregation enthalpy and entropy, we employ multi-site …

Learning grain boundary segregation energy spectra in polycrystals

M Wagih, PM Larsen, CA Schuh - Nature communications, 2020 - nature.com
… To test the extrapolability of the high-fidelity framework, we … GB segregation studies 60 , and
as always with atomistic models, … GB segregation spectrum, this is not the most critical test for …

[HTML][HTML] Grain boundary segregation in Ni-base alloys: A combined atom probe tomography and first principles study

AS Ebner, S Jakob, H Clemens, R Pippan… - Acta materialia, 2021 - Elsevier
… APT is an evaluation method on an extremely local scale and, therefore, gives location-…
precautions during selection of the interfaces to test similar GBs, as was done in this study. …

Subnanoscale studies of segregation at grain boundaries: Simulations and experiments

DN Seidman - Annual Review of Materials Research, 2002 - annualreviews.org
… , employing the Metropolisalgorithm, at 800 K to test the stability of the structures found at 0
K… ) is widely used to analyze andpredict the atomistic structures of GBs. This model describes …

Thermodynamics and design of nanocrystalline alloys using grain boundary segregation spectra

M Wagih, CA Schuh - Acta Materialia, 2021 - Elsevier
… (5) and (8)), being strictly enthalpic, enables high-throughput evaluation of alloy candidates
atomistic simulations at 0 K. Among these is the spectrum of grain boundary segregation

Learning grain boundary segregation behavior through fingerprinting complex atomic environments

JP Tavenner, A Gupta, GB Thompson… - Communications …, 2024 - nature.com
Atomistic segregation studies focusing on bicrystalline GB behavior for studying E seg using
… -expensive energetic relaxation steps and evaluation of acceptance criterion are bypassed. …

Interfacial segregation and grain boundary embrittlement: An overview and critical assessment of experimental data and calculated results

P Lejček, M Šob, V Paidar - Progress in Materials Science, 2017 - Elsevier
… the grain boundaries and … grain boundary and surface segregation was extensively studied
in many laboratories. As a result, numerous data on surface and grain boundary segregation