The 18r and 14h long-period stacking ordered

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Web27 May 2024 · W phase (Mg 3 (Er,Y) 2 Zn 3) with fcc structure, long period stacking ordered phases with 18R (Mg 10 (Er,Y) 1 Zn 1) and 14H (Mg 12 (Er,Y) 1 Zn 1) structures, and basal plane stacking faults (SFs) was formed in the as-cast alloy, mainly due to the alloy component of (Er + Y)/Zn = 1:1 and Er/Y = 1:1 (at %). Web1 Jan 2012 · Within the local fcc stacking layers it is reasonable to assume the Zn 6 RE 8 cluster arrangement identical with that of the 14H type (Fig. 5, 6 × (1 0 1 ¯ 0) hcp order) …

Degradation behavior of Mg-based biomaterials containing …

Web21 May 2014 · The strain-rate sensitivity of a Mg-10Dy-1Zn (wt pct) alloy containing different long-period stacking-ordered (LPSO) phases has been investigated in the strain rate … WebMicrostructure characterization and corrosion behavior of Mg–Y–Zn alloys with different long period stacking ordered structures 2024-01-04 04:55 Lish Wng Jinghu Jing Hun Liu Bssiouny Sleh Aibin Journal of Magnesium and Alloys 订阅 2024年4期收藏 information technology is an essential

The structure of long period stacking/order Mg–Zn–RE phases …

WebAlloys Containing 18R and 14H Long-Period Stacking-Ordered Phases at Intermediate Temperatures XUECHENG CAI, HUI FU, JIANXIN GUO, and QIUMING PENG The strain-rate … Web30 Jul 2013 · The lattice parameters a of the 18R-LPSO phase and that of the 14H-LPSO phase are essentially equal and proportional to a α, respectively, allowing an intergrowth … Web29 Apr 2014 · The evolution process from the 18R to the 14H is usually associated with a specific fault arrangement within the 18R particle—a pair of the ABCA building blocks with … information technology jobs baltimore md

Formation and Stabilization of 18R Long-Period Stacking Order …

Formation of LPSO Phases in As-Cast Mg–Al–Zn–Gd ... - 日本郵便

WebTransmission electron microscopy characterization of two major long-period stacking ordered (LPSO) phases in Mg-Zn-Y alloy, i.e., 18R- and 14H-LPSO are reported. The space … Web1 May 2010 · The 18R phase was thermally stable and was not transformed into 14H long period stacking ordered (LPSO) phase during annealing. The lamellar 14H LPSO phases … information technology it jobsWebThe special structures of the long-period stacking order (LPSO) phases in Mg-RE-Zn alloys include various types expressed as 10H, 14H, 18R, and 24R, among which the 14H and … information technology javatpoint

"Web20 Feb 2024 · Alloys with long-period stacking ordered structures (LPSO) have good properties and are highly regarded. Mg-Zn-Y alloy containing LPSO phase was prepared by … " - The 18r and 14h long-period stacking ordered

The 18r and 14h long-period stacking ordered

The intrinsic effect of long period stacking ordered phases on ...

Webelectron microscopy, the long-period stacking ordered (LPSO) structures in a near-equilibrium Mg 97 Zn 1 Y 2 (at.%) alloy have been characterised. In addition to 18R and … Web16 Jun 2024 · Heat treatment in the temperature range between 350 °C and 500 °C results in the transformation of the 18R phase into the 14H phase. In Mg–Y–Zn alloys, the 14H phase occurs in lamellar or platelet-like form either along the grain boundaries or within the grains.

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WebWe investigated the influence of a change in the stacking sequence of the close-packed plane in a Mg 12 ZnY long-period stacking ordered (LPSO) phase on its mechanical … Web1 Nov 2012 · The Formation of 14H-LPSO in Mg–9Gd–2Y–2Zn–0.5Zr Alloy during Heat Treatment. There is a new long-period stacking ordered structure in Mg–RE–Zn …

Web11 Apr 2024 · The lamellar long period stacking ordered phases hindered the occurrence of grain boundary migration, thus delaying dynamic recrystallization. The dominated deformation mechanisms of the compressed alloy were slip and discontinuous dynamic recrystallization accompanied by the occurrence of kink bands at low deformation rates. WebAbstract Non-basal slip systems in the Mg12ZnY long-period stacking ordered (LPSO) phase, the operational frequency of which is increased at high-temperatures and affects …

Web11 Apr 2024 · Zhu and Zhou [ 19, 22] found that the LPSO phases transform from 18R to 14H in Mg-RE-Zn alloys after homogenization. With increasing homogenization time, the lamellar LPSO phases extend from the grain boundaries to the matrix even throughout the whole grain and coarsen. WebThe 18R and 14H long-period stacking ordered structures formed in Mg–Y–Zn alloys are examined systematically using electron diffraction and high-angle annular dark-field …

WebData in support of crystal structures of highly-ordered long-period stacking-ordered phases with 18R, 14H and 10H-type stacking sequences in the Mg–Zn–Y system

Web2 Oct 2024 · There is a new long-period stacking ordered structure in Mg–RE–Zn magnesium alloys, namely the LPSO phase, which can effectively improve the yield … information technology jobs anderson scWebLong-period stacking-ordered (LPSO) structures formed in both the α-Mg component and the interdendritic component in as-cast Mg-4.5Zn–6Y-0.5Zr (wt.%) alloy were studied … information technology job demandWeb13 Jan 2024 · Using HAADF-STEM, two types of long-period stacking ordered structure (LPSO)—14H and 18R-LPSO—were observed in Mg 96 Gd 2 Y 1 Ni 1 alloy, and the … information technology it act 2000Web1 Jul 2014 · The microstructure of these alloys contains predominantly intermetallic phases of 18R and/or 14H long-period stacking ordered (LPSO) structures, depending on the … information technology jobs grand prairie txWeb18R-type and 14H-type LPSO structures [9-11]. In the present paper, we systematically investigate all the structural polytypes presently available, 10H, 18R, 14H, and 24R formed … information technology jobs alaskaWeb26 Jun 2024 · As-cast Mg97Zn1Y2 alloy consists of α-Mg matrix and 18R-type long-period stacking-ordered (LPSO) structures. We observed that the alloy undergoes a phase … information technology job boardsWeb16 Jun 2024 · In the present work, the microstructure and texture of a Mg–6.8Y–2.5Zn–0.4Zr sheet manufactured by twin-roll casting were investigated. The … information technology jobs bayonne nj