Achieving high strength-ductility synergy in dilute Mg-Al-Ca alloy by trace Ce addition

T Fu, X Sun, C Ge, D Xie, J Li, H Pan, G Qin - Journal of Alloys and …, 2022 - Elsevier
In this work, the trace Ce atoms have been added into the low-alloyed Mg-Al-Ca matrix, and
the microstructure and mechanical properties have been investigated. For the Mg-Al-Ca …

New strategy to solve the ambient strength-ductility dilemma in precipitation-strengthened Mg-Gd alloys via Li addition

Z Yu, Y Huang, L Liu, K Shi, B Du, K Liu, S Li, W Du - Scripta Materialia, 2022 - Elsevier
The ambient strength-ductility trade-off has been a long-standing dilemma in metallic alloys,
in particular Mg alloys. Here we report a new strategy to solve such a strength-ductility …

Role of Al addition in modifying microstructure and mechanical properties of Mg-1.0 wt% Ca based alloys

D Xie, H Pan, M Li, J Li, Y Ren, Q Huang, C Yang… - Materials …, 2020 - Elsevier
In this work, the role of Al addition in modifying the microstructure and mechanical properties
of the Mg-1.0 Ca-xAl (x= 0.6, 1.0 wt%; termed as XA10 and XA11, respectively) based alloys …

High ductility in solution-treated Mg-Sc-Yb-Mn-Zr alloy mediated by< c+ a> dislocations

T Zhou, Z Liu, D Yang, S Meng, Z Jia, D Liu - Journal of Alloys and …, 2021 - Elsevier
Due to their unique crystal structure, preparation of high-ductility Mg alloys is still a great
challenge, especially high-ductility as-cast or heat-treated Mg alloys. Here, the effect of Sc …

Improving toughness of a Mg2Ca-containing Mg-Al-Ca-Mn alloy via refinement and uniform dispersion of Mg2Ca particles

H Liu, C Sun, C Wang, Y Li, J Bai, F Xue, A Ma… - Journal of Materials …, 2020 - Elsevier
In this work, two wrought Mg-3.66 Al-4.25 Ca-0.43 Mn (wt%) alloys with different morphology
and distribution of Mg 2 Ca particles were fabricated by hot extrusion and multi-pass (32) …

Effect of minor Ca addition on microstructure and mechanical properties of a low-alloyed Mg–Al–Zn–Sn alloy

M Zha, SC Wang, HL Jia, Y Yang, PK Ma… - Materials Science and …, 2023 - Elsevier
Due to the lack of secondary phases, low-alloyed Mg–Al series alloys usually exhibit low
strength. In this work, by the addition of Ca element, a microstructure consists of a large …

High strength and ductility Mg-8Gd-3Y-0.5 Zr alloy with bimodal structure and nano-precipitates

X Wei, L Jin, F Wang, J Li, N Ye, Z Zhang… - Journal of Materials …, 2020 - Elsevier
To resolve the strength-ductility trade-off problem for high-strength Mg alloys, we prepared a
high performance Mg-8Gd-3Y-0.5 Zr (wt%) alloy with yield strength of 371 MPa, ultimate …

CALPHAD-guided design of Mg-Y-Al alloy with improved strength and ductility via regulating the LPSO phase

Y Chen, J Wang, W Zheng, Q Li, M Yu, T Ying, X Zeng - Acta Materialia, 2024 - Elsevier
This work performed a CALPHAD-guided design strategy to develop high strength-ductility
Mg–Y–Al alloy by taking advantage of the strengthening effect of the LPSO phase and the …

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 …

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
A new low-alloyed Mg-2Sm-0.8 Mn-0.6 Ca-0.5 Zn (wt.%) alloy is prepared by low-
temperature and low-speed extrusion. The as-extruded alloy has ultra-high yield strength …