Design of multicomponent Mg–Al–Zn–Sn–Bi alloys with refined microstructure and enhanced tensile properties

Wang, Pengyue; Wang, Bing-Yu; Wang, Cheng; Wang, Jinguo; Ma, Cong; Li, Jiasheng; Zha, Min; Wang, Huiyuan

doi:10.1016/j.msea.2020.139696

Cited by 39 publications

(9 citation statements)

References 48 publications

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“…3b and 3e) show that the large second phases (such as β-Mg 17 Al 12 ) locate in the grains of AS61-F, while the fine dispersed second phases in AS61-C present as the slender dendrites, which are different from the microstructures of Mg-Al-Zn-Sn-Bi alloys prepared through copper mould casting because of the differences in alloy compositions, the wall thicknesses of copper moulds and the dimensions of mould cavities. 29 The TEM images (Figs. 4a and 4e) indicate that AS61-C has slightly lower dislocation density than AS61-F, and the selected-area electron diffraction (SAED) pattern in Fig.…”

Section: Resultsmentioning

confidence: 99%

AS61 Magnesium Alloy with Nano-Scale Mg₂Sn Phase as a Novel Anode for Primary Aqueous Magnesium Battery

Wang

Liang

Liu

et al. 2021

J. Electrochem. Soc.

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A novel AS61 magnesium alloy is prepared via the small-hole confinement of liquid alloy by using a thick-walled copper mould. This facile method gives rise to distinct grain refinement and dispersed second phases such as nano-scale Mg2Sn (12.54 3.35 nm). Benefiting from the unique microstructure, the AS61 shows enhanced anode performance when adopted for primary aqueous battery, as compared with that using the anode of the same composition fabricated via a common iron mould during melting and casting. The Mg-air battery with the novel AS61 anode provides a high voltage of 1.269 V at 10 mA cm−2; its anodic efficiency at 10 mA cm−2 reaches 78.4%, which is higher than lots of other types of magnesium anodes. Moreover, the discharge mechanism of AS61 is also unravelled based on electrochemical response and microstructure characterization.

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Section: Resultsmentioning

confidence: 99%

AS61 Magnesium Alloy with Nano-Scale Mg₂Sn Phase as a Novel Anode for Primary Aqueous Magnesium Battery

Wang

Liang

Liu

et al. 2021

J. Electrochem. Soc.

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“…Hence, the alloys are expected to be composed of at least of FCC (A1), Mg 2 Si (C1) and Laves (C14) phases, also known as α-Al, Mg 2 Sn, and η-MgZn 2 phases, respectively. The Mg 2 Sn is a desirable phase to improve the mechanical properties by grain refinement and precipitation strengthening in Mg-based alloys [32,33]. The η-MgZn 2 is typical phase in Al-Zn-Mg-(Cu) alloys that plays an important role in the excellent mechanical properties of the precipitation hardenable 7xxx series.…”

Section: Equilibrium Phase Diagram Of the Alloysmentioning

confidence: 99%

Microstructure and Phase Formation of Novel Al80Mg5Sn5Zn5X5 Light-Weight Complex Concentrated Aluminum Alloys

Sánchez

Pascual

Vicario

et al. 2021

Metals

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In this work, three novel complex concentrated aluminum alloys were developed. To investigate the unexplored region of the multicomponent phase diagrams, thermo-physical parameters and the CALPHAD method were used to understand the phase formation of the Al80Mg5Sn5Zn5Ni5, Al80Mg5Sn5Zn5Mn5, and Al80Mg5Sn5Zn5Ti5 alloys. The ingots of the alloys were manufactured by a gravity permanent mold casting process, avoiding the use of expensive, dangerous, or scarce alloying elements. The microstructural evolution as a function of the variable element (Ni, Mn, or Ti) was studied by means of different microstructural characterization techniques. The hardness and compressive strength of the as-cast alloys at room temperature were studied and correlated with the previously characterized microstructures. All the alloys showed multiphase microstructures with major α-Al dendritic matrix reinforced with secondary phases. In terms of mechanical properties, the developed alloys exhibited a high compression yield strength up to 420 MPa, high compression fracture strength up to 563 MPa, and elongation greater than 12%.

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“…Since there is almost no second phase in AT21, precipitation strengthening is considered to be the only strengthening mechanism of Ca-containing samples. In addition, the increments in YS due to tiny precipitates strengthening are expressed as [25]:…”

Section: Mechanical Propertiesmentioning

confidence: 99%

Enhanced Mechanical Properties and Isotropy of Mg-2Al-0.8Sn Alloy through Ca Addition

Yuan

Wang

et al. 2021

Materials

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Calcium (Ca), with abundant and cheap reserves, is a potential element to facilitate the further application of Mg-Al-Sn based alloys. Here, effects of Ca content on the microstructure and tensile properties of Mg-2.0Al-0.8Sn (wt.%) alloys were systematically studied. The experimental results illustrated that the strength, ductility and isotropy of the alloys improved simultaneously with the increase of Ca content. The better ductility and isotropy could be contributed to the weakened texture via particle stimulation nucleation mechanism. The higher strength benefited from the combination of finer grains, more precipitates and residual dislocation density. Eventually, the Mg-2.0Al-0.8Sn-0.5Ca (wt.%) alloy showed the best room-temperature balance of strength and ductility with a yield strength of ∼226.0 MPa, an ultimate tensile strength of ∼282.4 MPa and a fracture elongation of ∼20.2%, which has huge potential as an applicable low-cost high-performance magnesium alloy.

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Design of multicomponent Mg–Al–Zn–Sn–Bi alloys with refined microstructure and enhanced tensile properties

Cited by 39 publications

References 48 publications

AS61 Magnesium Alloy with Nano-Scale Mg₂Sn Phase as a Novel Anode for Primary Aqueous Magnesium Battery

AS61 Magnesium Alloy with Nano-Scale Mg₂Sn Phase as a Novel Anode for Primary Aqueous Magnesium Battery

Microstructure and Phase Formation of Novel Al80Mg5Sn5Zn5X5 Light-Weight Complex Concentrated Aluminum Alloys

Enhanced Mechanical Properties and Isotropy of Mg-2Al-0.8Sn Alloy through Ca Addition

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Design of multicomponent Mg–Al–Zn–Sn–Bi alloys with refined microstructure and enhanced tensile properties

Cited by 39 publications

References 48 publications

AS61 Magnesium Alloy with Nano-Scale Mg2Sn Phase as a Novel Anode for Primary Aqueous Magnesium Battery

AS61 Magnesium Alloy with Nano-Scale Mg2Sn Phase as a Novel Anode for Primary Aqueous Magnesium Battery

Microstructure and Phase Formation of Novel Al80Mg5Sn5Zn5X5 Light-Weight Complex Concentrated Aluminum Alloys

Enhanced Mechanical Properties and Isotropy of Mg-2Al-0.8Sn Alloy through Ca Addition

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Product

Resources

About

AS61 Magnesium Alloy with Nano-Scale Mg₂Sn Phase as a Novel Anode for Primary Aqueous Magnesium Battery

AS61 Magnesium Alloy with Nano-Scale Mg₂Sn Phase as a Novel Anode for Primary Aqueous Magnesium Battery