Grain boundary segregation of rare-earth elements in magnesium alloys

JD Robson, SJ Haigh, B Davis, D Griffiths - Metallurgical and Materials …, 2016 - Springer
… important role of grain boundary segregation in producing a … In the Mg-Y alloy, strong
segregation to grain boundaries … In the Mg-Nd alloy, no segregation, or significant texture …

Effect of rare-earth additions on the texture of wrought magnesium alloys: the role of grain boundary segregation

JD Robson - Metallurgical and Materials Transactions A, 2014 - Springer
… the current understanding of these alloys. The remainder of this paper is devoted to exploring
one aspect of the RE effect; the role of grain boundary segregation and solute drag. Simple …

Developing a low-alloyed fine-grained Mg alloy with high strength-ductility based on dislocation evolution and grain boundary segregation

Z Zhang, J Zhang, J Xie, S Liu, Y He, K Guan, R Wu - Scripta Materialia, 2022 - Elsevier
… for the annealed alloy. Thus, we put forward a new strategy for developing low-alloyed Mg
alloy with high strength-ductility mainly based on dislocation evolution and GB segregation. …

[HTML][HTML] Towards designing high mechanical performance low-alloyed wrought magnesium alloys via grain boundary segregation strategy: A review

Z Zhang, J Xie, J Zhang, XS Yang, R Wu - … of Magnesium and Alloys, 2024 - Elsevier
… of GB segregation. The findings of this review contribute to advancing the understanding of
grain boundary engineering in Mg alloys and provide valuable insights for future alloy design …

Grain boundary co-segregation in magnesium alloys with multiple substitutional elements

R Pei, Y Zou, D Wei, T Al-Samman - Acta Materialia, 2021 - Elsevier
… With a variety of tenable theories proposed in the literature, a far greater understanding of
grain boundary segregation in magnesium alloys with multiple substitutional elements has yet …

The role of atomic scale segregation in designing highly ductile magnesium alloys

I Basu, KG Pradeep, C Mießen, LA Barrales-Mora… - Acta Materialia, 2016 - Elsevier
… solute segregation to planar defects, such as grain boundaries. … a much higher grain boundary
segregation tendency than Dy … different grain boundaries, multiple HAGB from both alloys

Grain-boundary segregation in Al–10% Mg alloys at hot working temperatures

XY Liu, JB Adams - Acta Materialia, 1998 - Elsevier
Mg segregation to twist and tilt grain-boundaries from low to high angles in Al–Mg alloys
Special attention is given to Σ5 twist and tilt grain-boundaries due to their structural simplicity…

Atomistic study of grain-boundary segregation and grain-boundary diffusion in Al-Mg alloys

RK Koju, Y Mishin - Acta Materialia, 2020 - Elsevier
… has been measured [19], [20], to the best of our knowledge, Mg GB diffusion coefficients in
Al or Al-Mg alloys have not been measured experimentally or predicted by simulations. The …

Microstructure control and strengthening mechanism of fine-grained cast Mg alloys based on grain boundary segregation of Al solute

X Lin, Y Dang, P Dai, D Fang, C Xu, B Wen - Materials Science and …, 2022 - Elsevier
… of grain boundary segregation on the mechanical properties of the cast Mg–Al alloys will be
… development of high-performance cast Mg alloys by means of grain boundary segregation. …

Grain boundary relaxation behavior in meso-grained dilute magnesium alloys

H Somekawa, K Naito, H Watanabe - Materialia, 2020 - Elsevier
Mg–Ca and Mg–Y alloys, respectively. This work reveals that grain boundary segregation
of the solute atoms is an influential factor for grain boundary relaxation in magnesium alloys