Journal Article10.1016/J.ACTAMAT.2010.07.050
Effect of long-period stacking ordered phase on mechanical properties of Mg97Zn1Y2 extruded alloy
Koji Hagihara,Akihito Kinoshita,Y. Sugino,Michiaki Yamasaki,Yoshihito Kawamura,Hiroyuki Y. Yasuda,Yukichi Umakoshi +6 more
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TL;DR: In this article, the microstructure and mechanical properties of Mg97Zn1Y2 extruded alloy, composed of a Mg matrix phase and a long-period stacking ordered phase, were investigated using compression tests at room temperature.
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About: This article is published in Acta Materialia. The article was published on 01 Nov 2010. The article focuses on the topics: Strengthening mechanisms of materials & Alloy.
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Citations
Effects of Heat Treatments on Microstructures and Precipitation Behaviour of Mg94Y4Zn2 Extruded Alloy
TL;DR: In this paper, microstructures and precipitation behaviors of Mg94Y4Zn2 (at%) extruded alloy during solution treatment and ageing processes were investigated, and three major phases were observed in the as-cast Mg 94Zn 2Y4 alloy: α-Mg, block shaped 18R long period stacking ordered (LPSO) phase and Mg24Y5 cuboid particles.
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Investigation on the microstructure, texture and mechanical properties of Mg-Gd-Y(-Zn)-Zr alloys under indirect extrusion
TL;DR: In this paper , the microstructure, texture and mechanical properties of Mg-8.5Gd-2.5Y-0.3Zr (wt%) (0Zn) alloys under indirect extrusion at different temperatures.
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Fragmentation of 18R LPSO phases through multi-pass equal channel angular pressing and its impact on rollability of Mg97Y2Zn1 (at%) alloy
TL;DR: In this paper, the microstructure of as-cast Mg97Y2Zn1 (at%) alloy and 32-pass equal channel angular pressing (ECAP) processed alloy were compared.
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The predominant role of Zn6Y9 cluster in the long period stacking order structures of Mg–Zn–Y alloys: a first-principles study
TL;DR: The strengthening mechanisms underlying the long period stacking order (LPSO) phases in Mg-Zn-Y alloys have largely remained unsolved due to unclear understanding of the local arrangements of Zn and Y atoms in the LPSO phases as mentioned in this paper.
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Maintaining High Strength in Mg-LPSO Alloys with Low Yttrium Content Using Severe Plastic Deformation.
TL;DR: Alternative processing routes such as powder metallurgy, the extrusion of recycled chips, or equal channel angular pressing (ECAP) have been considered for effective methods of maintaining the high mechanical strength of Mg-Y-Zn alloys containing long-period stacking ordered structures.
References
Magnesium: Properties — applications — potential
B.L Mordike,T Ebert +1 more
TL;DR: Magnesium is the lightest of all metals used as the basis for constructional alloys and it is this property which entices automobile manufacturers to replace denser materials, not only steels, cast irons and copper base alloys but even aluminium alloys by magnesium based alloys as discussed by the authors.
4.5K
Rapidly Solidified Powder Metallurgy Mg97Zn1Y2Alloys with Excellent Tensile Yield Strength above 600 MPa
TL;DR: In this paper, the RS P/M alloys exhibited excellent elevated-temperature yield strength that was 510 MPa at 423 K. The specific tensile yield strength was four times as high as that of a commercial AZ91-T6 alloy, and was higher than those of conventional titanium (Ti-6Al-4V) and aluminum (7075-T 6) alloys.
1K
Characterisation of strengthening precipitate phases in a Mg–Y–Nd alloy
Jian Feng Nie,Barry C Muddle +1 more
TL;DR: In this paper, a Mg-Y-Nd-based alloy (WE54) was characterised using transmission electron microscopy and the formation of three separate metastable phases, α platelets of an as yet unidentified phase, and the phases designated β′ and β1, preceding formation of the equilibrium phase β.
710
Improving the mechanical properties of magnesium and a magnesium alloy through severe plastic deformation
TL;DR: In this article, equal-channel angular pressing (ECAP) was used to improve the mechanical properties of pure Mg and an Mg-0.9% Al alloy at room temperature by subjecting these materials to severe plastic deformation through the procedure of ECAP.
673
Long period stacking structures observed in Mg97Zn1Y2 alloy
TL;DR: In this article, a long period stacking (LPS) structure with 18R-type was observed in Mg97Zn1Y2 (at%) alloy prepared by Cu-mold casting and induction melting methods.
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