Annealing hardening effect aroused by solute segregation in gradient ultrafine-grained Mg-Gd-Zr alloy

C Liu, X Chen, D Tolnai, Y Hu, W Zhang… - Journal of Materials …, 2023 - Elsevier
In this study, a remarkable annealing hardening effect was detected in gradient ultrafine-
grained (UFG) Mg-0.32 Gd-0.11 Zr (at.%) alloy sheet fabricated by sliding friction treatment …

[HTML][HTML] Microstructure and mechanical properties of gradient ultrafine-grained Mg-Gd-Zr alloy

C Liu, X Chen, Y Hu, W Zhang, Y Zhang, J Li… - Journal of Materials …, 2022 - Elsevier
Fabricating gradient structure (GS) is increasingly adopted in structural engineering
materials due to the unique combinations of mechanical properties. In the present work, a …

Mechanical properties and deformation mechanisms of a novel fine-grained Mg-Gd-Y-Ag-Zr-Ce alloy with high strength-ductility synergy

X Cui, W Fu, D Fang, G Bi, Z Ren, S Guo, S Li… - Journal of Materials …, 2021 - Elsevier
Grain boundary precipitation and segregation play an important role in determining
mechanical properties of Mg alloys. In the present work, we studied work focuses on the …

[HTML][HTML] Change of deformation mechanisms leading to high strength and large ductility in Mg-Zn-Zr-Ca alloy with fully recrystallized ultrafine grained microstructures

R Zheng, T Bhattacharjee, S Gao, W Gong… - Scientific Reports, 2019 - nature.com
Recently, we have found that fully recrystallized ultrafine-grained (UFG) microstructures
could be realized in a commercial precipitation-hardened Magnesium (Mg) alloy. The UFG …

Reduced yield asymmetry and excellent strength-ductility synergy in Mg-Y-Sm-Zn-Zr alloy via ultra-grain refinement using simple hot extrusion

S Lyu, G Li, R Zheng, W Xiao, Y Huang, N Hort… - Materials Science and …, 2022 - Elsevier
An ultrafine-grained (UFG) Mg-RE alloy with superior yield symmetry and strength-ductility
synergy was successfully fabricated by simple hot extrusion. The as-extruded specimen was …

Microstructure evolution and grain refinement mechanism of fine-grained Mg-Gd-Y-Zn-Zr alloy during multi-directional forging

J Zhao, H Guo, T Luo, C Zhang, J Luo - Journal of Alloys and Compounds, 2022 - Elsevier
Abstract Fine-grained Mg-8.59 Gd-3.85 Y-1.14 Zn-0.49 Zr alloy was subjected to multi-
directional forging (MDF). The corresponding grain refinement mechanism was analyzed by …

Simultaneously enhanced strength and ductility of Mg-Zn-Zr-Ca alloy with fully recrystallized ultrafine grained structures

R Zheng, T Bhattacharjee, A Shibata, T Sasaki, K Hono… - Scripta Materialia, 2017 - Elsevier
Fully recrystallized ultrafine grained (UFG) Mg-Zn-Zr-Ca alloy was successfully fabricated by
a process including high pressure torsion (HPT) and subsequent rapid annealing treatment …

Enhanced mechanical properties and rolling formability of fine-grained Mg–Gd–Zn–Zr alloy produced by equal-channel angular pressing

F Lu, A Ma, J Jiang, J Chen, D Song, Y Yuan… - Journal of Alloys and …, 2015 - Elsevier
Abstract A fine-grained Mg–1.8 Gd–1Zn–0.1 Zr (at.%) alloy with long-period stacking
ordered (LPSO) phase was obtained via solid-solution (SS) treatment plus multi-pass equal …

[HTML][HTML] Effect of Gd content on the microstructure, texture and mechanical properties of Mg-xGd-0.5 Mn alloys

C He, S Bai, B Jiang, L Liu, Q Wang, M Yuan… - Journal of Materials …, 2022 - Elsevier
In this work, we investigated the microstructure and the mechanical properties of extruded
Mg-xGd-0.5 Mn alloys (GMx0) with the variation of Gd content (0, 2, 4, 7 wt.%). For the GM00 …

The role of bimodal-grained structure in strengthening tensile strength and decreasing yield asymmetry of Mg-Gd-Zn-Zr alloys

W Rong, Y Zhang, Y Wu, Y Chen, M Sun, J Chen… - Materials Science and …, 2019 - Elsevier
This paper studied the role of bimodal-grained structure in strengths and asymmetry
behaviors of Mg-15Gd-1Zn-0.4 Zr (wt%) alloys under the as-extruded, compressive-yielded …