Development of low-alloyed and rare-earth-free magnesium alloys having ultra-high strength
Developing ultra-high strength in rare-earth-free Mg alloys using conventional extrusion
process is a great challenge. What is even more difficult is to achieve such a goal at a lower …
process is a great challenge. What is even more difficult is to achieve such a goal at a lower …
Ultra-fine grain size and exceptionally high strength in dilute Mg–Ca alloys achieved by conventional one-step extrusion
H Pan, C Yang, Y Yang, Y Dai, D Zhou, L Chai… - Materials Letters, 2019 - Elsevier
We reported that the Mg–Ca dilute alloys can exhibit ultra-fine grain size (less than 1 μm)
and the exceptionally high yield strength, eg,∼ 290 MPa in the Mg–0.1 wt% Ca alloy and∼ …
and the exceptionally high yield strength, eg,∼ 290 MPa in the Mg–0.1 wt% Ca alloy and∼ …
Fabrication of exceptionally high-strength Mg-4Sm-0.6 Zn-0.4 Zr alloy via low-temperature extrusion
D Zhang, H Pan, J Li, D Xie, D Zhang, C Che… - Materials Science and …, 2022 - Elsevier
Ultrahigh strength is achieved in low-cost Mg-4Sm-0.6 Zn-0.4 Zr alloy by a traditional
extrusion process, with tensile yield strength over 450 MPa, which exceeds the majority of …
extrusion process, with tensile yield strength over 450 MPa, which exceeds the majority of …
Developing a low-alloyed fine-grained Mg alloy with high strength-ductility based on dislocation evolution and grain boundary segregation
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 …
temperature and low-speed extrusion. The as-extruded alloy has ultra-high yield strength …
Fabrication of extraordinary high-strength magnesium alloy by hot extrusion
Extraordinary high-strength Mg–1.8 Gd–1.8 Y–0.7 Zn–0.2 Zr alloy has successfully been
fabricated by an ingot metallurgy process with hot extrusion followed by aging. The sample …
fabricated by an ingot metallurgy process with hot extrusion followed by aging. The sample …
Unveiling the deformation mechanism of highly deformable magnesium alloy with heterogeneous grains
Poor formability at room temperature is a key problem that limits the application of Mg alloys.
Formability is closely dependent on both large work-hardening capacity and high tensile …
Formability is closely dependent on both large work-hardening capacity and high tensile …
Realizing ultra-fine grains and ultra-high strength in conventionally extruded Mg-Ca-Al-Zn-Mn alloys: The multiple roles of nano-precipitations
An ultra-high strength and low-cost magnesium wrought alloy, Mg-1Ca-1Al-0.3 Zn-0.4 Mn
(wt%), has been fabricated by conventional extrusion, with yield strength of~ 435 MPa, the …
(wt%), has been fabricated by conventional extrusion, with yield strength of~ 435 MPa, the …
Ultrastrong Mg alloy via nano-spaced stacking faults
Mg alloys are among the lightest alloys but they are usually weak. Here we report a new
mechanism to make them ultrastrong while maintaining good ductility. Stacking faults with …
mechanism to make them ultrastrong while maintaining good ductility. Stacking faults with …
Origins of high ductility exhibited by an extruded magnesium alloy Mg-1.8 Zn-0.2 Ca: experiments and crystal plasticity modeling
Low ductility and strength are major bottlenecks against Mg alloys' wide applications. In this
work, we systematically design the composition and fabrication process for a low-alloyed Mg …
work, we systematically design the composition and fabrication process for a low-alloyed Mg …
High-strength extruded Mg–Al–Ca–Mn alloy
We have developed an extraordinary high-strength rare-earth-free magnesium (Mg) alloy by
extruding a direct chill cast Mg–3.5 Al–3.3 Ca–0.4 Mn (wt.%) ingot. The as-extruded sample …
extruding a direct chill cast Mg–3.5 Al–3.3 Ca–0.4 Mn (wt.%) ingot. The as-extruded sample …