Entropy matters in grain boundary segregation

P Lejček, S Hofmann, M Všianská, M Šob - Acta Materialia, 2021 - Elsevier
… It is the aim of this paper to show some convincing examples of the indispensable role of
entropy in grain boundary segregation as a typical materials science phenomenon. …

The significance of entropy in grain boundary segregation

P Lejček, S Hofmann, V Paidar - Materials, 2019 - mdpi.com
… of entropy in the quantification of grain boundary segregation … Large differences are apparent
between the grain boundary … -entropy compensation effect cannot be considered if entropy

The vibrational entropy spectra of grain boundary segregation in polycrystals

N Tuchinda, CA Schuh - Acta Materialia, 2023 - Elsevier
… excess entropies of segregation (electronic, magnetic, nuclear) and focus on vibrational
entropy … It should be noted that the per-site segregation entropy defined in this work follows the …

Computed entropy spectra for grain boundary segregation in polycrystals

N Tuchinda, CA Schuh - npj Computational Materials, 2024 - nature.com
… polycrystalline grain boundary segregation vibrational entropy … These entropy spectra are
very dependent on the fitting of … correlation between segregation energy and excess entropy as …

Applied thermodynamics: Grain boundary segregation

P Lejček, L Zheng, S Hofmann, M Šob - Entropy, 2014 - mdpi.com
… enthalpy–entropy compensation … entropy of grain boundary segregation and the volume
bulk solid solubility. In addition, a fundamental relationship is derived between the segregation

Grain boundary segregation in a high entropy alloy

AJ Maldonado, KP Misra, RDK Misra - Materials Technology, 2023 - Taylor & Francis
Grain boundary (GB) segregation was experimentally studied in a bulk high entropy Cantor
… the weak segregation of Mn, implying co-segregation of Cr and Mn to the GBs. The strong …

Entropy-driven grain boundary segregation: Prediction of the phenomenon

P Lejček, S Hofmann - Metals, 2021 - mdpi.com
… It is shown that entropy-driven grain boundary segregation would be a further … entropy-dominated
grain boundary segregation as it represents solute segregation at “anti-segregation” …

Recent trends and open questions in grain boundary segregation

P Lejček, M Všianská, M Šob - Journal of Materials Research, 2018 - cambridge.org
… We also show that the entropy of grain boundary segregation is a very important quantity …
individual issues listed above. Stabilization of grain boundaries by grain boundary segregation

Thermodynamics of grain boundary segregation and applications to anisotropy, compensation effect and prediction

P Lejček, S Hofmann - Critical Reviews in Solid State and Materials …, 2008 - Taylor & Francis
… Citation 68 The corresponding values of the standard enthalpy and entropy of grain
boundary segregation of antimony are Δ H Sb 0 = −23 kJ/mol and Δ S Sb 0 = +37 J/(mol.K).Citation …

Grain boundary segregation and thermodynamically stable binary nanocrystalline alloys

JR Trelewicz, CA Schuh - … Review B—Condensed Matter and Materials Physics, 2009 - APS
… and intergranular regions into a modified solution model, and combined with entropic
contributions to establish the free energy of mixing. A series of equilibrium equations are finally …