Home Technology Orientation relationship between 14H-LPSO structured X phase and DO3-type (Mg,Zn)3RE phase in an Mg–Gd–Y–Zn–Zr alloy
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Orientation relationship between 14H-LPSO structured X phase and DO3-type (Mg,Zn)3RE phase in an Mg–Gd–Y–Zn–Zr alloy

  • Song Zhang , Guangyin Yuan , Chen Lu and Wenjiang Ding
Published/Copyright: June 11, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 103 Issue 5

Abstract

Mg-10Gd-3Y-1.8Zn-0.5Zr (wt.%) alloy is prepared by permanent mold casting and further by slow solidification at cooling rate of 0.1 K s−1. Both X phase with long period stacking ordered structure and DO3-type (Mg,Zn)3RE phase in the alloy are observed with electron microscopy and X-ray diffraction. Three different X phase/(Mg,Zn)3RE phases are observed in the alloy. The orientation relationship between X phase and (Mg,Zn)3RE phase was determined by the composite diffraction patterns, which can be expressed as (0014)X phase//(110)(Mg,Zn)3RE and [110]X phase//[3 32](Mg,Zn)3RE, (0014)X phase//(110)(Mg,Zn)3RE and [110]X phase//[1 11](Mg,Zn)3RE, (0014)X phase//(110)(Mg,Zn)3RE and [210]X phase//[1 12](Mg,Zn)3RE. These results show coherence between X phase and (Mg,Zn)3RE phase and a very small mismatch in the phase boundaries.

Keywords: Mg–Gd–Y–Zn alloy; Long period stacking ordered (LPSO) structure; X phase; (Mg; Zn)3RE phase; Orientation relationship
* Correspondence address Prof. Dr. Guangyin Yuan School of Materials Science & Engineering National Engineering Research Center of Light Alloy Net Forming Shanghai Jiao Tong University 800 Dongchuan Road, Shanghai 200240, P.R. China Tel.: +86-21-34203051 Fax: +86-21-34202794 E-mail:

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Received: 2010-10-9
Accepted: 2011-11-7
Published Online: 2013-06-11
Published in Print: 2012-05-01

© 2012, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.110723
Keywords for this article
Mg–Gd–Y–Zn alloy; Long period stacking ordered (LPSO) structure; X phase; (Mg; Zn)3RE phase; Orientation relationship

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Phase equilibria in the “SnO”–SiO2–“FeO” system in equilibrium with tin–iron alloy and the potential application for electronic scrap recycling
  5. A model to calculate the viscosity of silicate melts
  6. Surface structure of different interstitial austenitic steels after impact wear
  7. Microstructural study of boron-doped Co–Re–Cr alloys by means of transmission electron microscopy and electron energy-loss spectroscopy
  8. Orientation relationship between 14H-LPSO structured X phase and DO3-type (Mg,Zn)3RE phase in an Mg–Gd–Y–Zn–Zr alloy
  9. Microstructural, optical, and dielectric properties of nanocrystalline TiO2 films prepared via ion-assisted magnetron sputtering
  10. An investigation of the microstructure and properties of the explosively welded Gr5–SS304 clad plates for golf heads
  11. Cyclic fibre texture in hot extruded Ni50Mn29Ga21
  12. Development of high-strength pure magnesium and wrought magnesium alloys AZ31, AZ61, and AZ91 processed by hydrostatic extrusion with back pressure
  13. Effect of cerium and aluminium on the hot-deformation behaviour of magnesium
  14. Effect of alloying elements on stage-III work-hardening behaviour of Al–Zn–Mg(–Cu) alloys
  15. Effect of titanium on the as-cast microstructure and impact toughness of hypereutectic high-chromium cast iron
  16. Microstructure and mechanical properties of nanocrystalline WC-particle-reinforced Ti-based composites with nano/ultrafine-grained intermetallic matrix from spark plasma sintering and crystallization of amorphous phase
  17. Plasticity enhancement in centrally confined Zr-based bulk metallic glass
  18. In-situ observation of the fracture process in Al–Zn–Mg–Cu alloys
  19. Relationship between the mechanical properties and the surface roughness of marble
  20. Light, multi-layer, screening textiles with a high capacity for absorbing electromagnetic fields in the high frequency range
  21. Immobilization of zinc oxide nanoparticles on cotton fabrics using poly 4-styrenesulfonic acid polyelectrolyte
  22. People
  23. Prof. Dr. rer. nat. Ludwig Schultz
  24. DGM News
  25. DGM News
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