[HTML][HTML] The mechanisms of grain growth of Mg alloys: a review

Q Chen, R Chen, J Su, Q He, B Tan, C Xu… - Journal of Magnesium …, 2022‏ - Elsevier
Grain growth directly influences the plasticity and strength of Mg alloys. As the grain size
decreases from the microscale to the nanoscale, the plasticity of Mg alloys continually …

Computational modeling of grain boundary segregation: A review

C Hu, R Dingreville, BL Boyce - Computational Materials Science, 2024‏ - Elsevier
Nearly all metals, alloys, ceramics, and their associated composites are polycrystalline in
nature, with grain boundaries that separate well-defined crystalline regions that influence …

Twin boundary superstructures assembled by periodic segregation of solute atoms

H **e, H Pan, J Bai, D **e, P Yang, S Li, J **… - Nano Letters, 2021‏ - ACS Publications
Twinning is a common deformation mechanism in metals, and twin boundary (TB)
segregation of impurities/solutes plays an important role in the performances of alloys such …

Effect of low-angle grain boundary and twin on precipitation mechanism in pre-rolled AZ91 magnesium alloy

X Liu, Q Wan, B Zhu, W Liu, L Li, C Xu… - Journal of Materials …, 2024‏ - Springer
Low-angle grain boundary and twin significantly affect precipitation behavior. Twins were
introduced into AZ91 magnesium alloys by pre-rolling. And then, aging treatment was …

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
The interaction of alloying elements with grain boundaries (GBs) influences many
phenomena, such as microstructural evolution and transport. While GB solute segregation …

Polytypic omega/omega-like transformation in a refractory high-entropy alloy

X Zhao, S Li, J Jiang, J Bai, H **e, H Pan, Y Tian… - Acta Materialia, 2022‏ - Elsevier
Understanding the atomistic details on microstructures and phase transformation
mechanisms is essential to tailor the performances of materials. Refractory body-centered …

[HTML][HTML] Achieving superior cryogenic impact toughness and sufficient tensile properties in a novel high-Mn austenitic steel weld metal via cerium addition

J Zhang, G Li, H Wang, X Wan, M Hu, Y Cao - Journal of Materials …, 2023‏ - Elsevier
The microstructure and mechanical properties of the novel cryogenic high-Mn austenitic
steel weld metals with different cerium (Ce) contents were investigated via electron back …

Effect of grain boundary segregation on microstructure and mechanical properties of ultra-fine grained Mg–Al–Ca–Mn alloy wires

J Zuo, T Nakata, C Xu, YP **a, HL Shi, XJ Wang… - Materials Science and …, 2022‏ - Elsevier
An extraordinary high-strength dilute Mg-0.8 Al-0.1 Ca-0.6 Mn (wt.%) alloy wire was
successfully developed by hot drawing, which exhibits high tensile yield strength of 394 …

Atomistic insights into the inhomogeneous nature of solute segregation to grain boundaries in magnesium

R Pei, Z **e, S Yi, S Korte-Kerzel, J Guénolé… - Scripta Materialia, 2023‏ - Elsevier
In magnesium alloys with multiple substitutional elements, solute segregation at grain
boundaries (GBs) has a strong impact on many important material characteristics, such as …

Grain boundary solute drag model in regular solution alloys

M Alkayyali, F Abdeljawad - Physical Review Letters, 2021‏ - APS
We present a grain boundary (GB) solute drag model in regular solution alloys. The model
accounts for solute-solute interactions in both the bulk and GBs and captures effects such as …