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Thermodynamic assessment of the Dy–Mg system

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Veröffentlicht/Copyright: 10. Februar 2022
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 95 Heft 12

Abstract

The Dy–Mg system has been critically assessed by means of the CALPHAD technique. The solution phases (liquid,body-centered cubic, and hexagonal close-packed) were modeled with the Redlich – Kister equation. The intermetallic compounds DyMg, DyMg2, and Dy5Mg24, which have some homogeneity ranges, were treated as the formula (Dy, Mg) (Mg, Va), (Dy, Mg) (Dy, Mg)2, and (Dy, Mg)5 (Dy, Mg)24 by a two-sublattice model with Dy and Mg on the first sublattice, Mg and vacancies, denoted Va, or Dy and Mg on the second one, respectively. The compound DyMg3 was treated as a stoichiometric compound. A set of self–consistent thermodynamic parameters of the Dy–Mg system was obtained.

Keywords: Dy–Mg system; Mg alloys; CALPHAD technique
Professor Zhenmin Du Department of Materials Science and Engineering University of Science and Technology Beijing Beijing 100083, P.R.China Tel./Fax: +86 10 6233 3772

  1. This work was supported by the National Natural Science Foundation of China (NSFC) (Grant No. 50271008), and the Thermo-Calc software was used.

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Received: 2004-04-16
Accepted: 2004-07-27
Published Online: 2022-02-10

© 2004 Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Frontmatter
  2. Editorial
  3. Editorial
  4. Werner-Köster-Preis
  5. den Werner-Köster-Preis 2003
  6. Festabend zum 85. Geburtstag der DGM
  7. Festabend zum 85. Geburtstag der DGM
  8. Articles Applied
  9. NiAl – material for the application in gas turbines
  10. High-temperature creep behavior and hot-pressing consolidation of NiAl
  11. Direct Strip Casting of Magnesium
  12. Thermo-mechanical analysis of cast/mould interaction in casting processes
  13. Aluminum–Lithium alloy development for thixoforming
  14. On the influence of heavy warm reduction on the microstructure and mechanical properties of a medium-carbon ferritic –pearlitic steel
  15. Thermodynamic assessment of the Dy–Mg system
  16. Influence of pre-straining on mechanical properties of HSLA steel by using ball indentation technique
  17. Fabrication and application of co-continuous Al2O3/Al composite by reactive infiltration of molten Al into the preform of SiO2 with cordierite addition
  18. Articles Basic
  19. Simulation of cellular-dendritic solidification structures of binary alloys in three-dimensional growth using a multiparticle diffusion-limited aggregation model
  20. Microstructure and age-hardening effects of aluminium alloys with additions of scandium and zirconium
  21. Notifications / Mitteilungen
  22. Personal/Personelles
  23. Materials Week
  24. News/Aktuelles
  25. Books/Bücher
  26. Conferences / Konferenzen
https://doi.org/10.1515/ijmr-2004-0202
Schlagwörter für diesen Artikel
Dy–Mg system; Mg alloys; CALPHAD technique

Artikel in diesem Heft

  1. Frontmatter
  2. Editorial
  3. Editorial
  4. Werner-Köster-Preis
  5. den Werner-Köster-Preis 2003
  6. Festabend zum 85. Geburtstag der DGM
  7. Festabend zum 85. Geburtstag der DGM
  8. Articles Applied
  9. NiAl – material for the application in gas turbines
  10. High-temperature creep behavior and hot-pressing consolidation of NiAl
  11. Direct Strip Casting of Magnesium
  12. Thermo-mechanical analysis of cast/mould interaction in casting processes
  13. Aluminum–Lithium alloy development for thixoforming
  14. On the influence of heavy warm reduction on the microstructure and mechanical properties of a medium-carbon ferritic –pearlitic steel
  15. Thermodynamic assessment of the Dy–Mg system
  16. Influence of pre-straining on mechanical properties of HSLA steel by using ball indentation technique
  17. Fabrication and application of co-continuous Al2O3/Al composite by reactive infiltration of molten Al into the preform of SiO2 with cordierite addition
  18. Articles Basic
  19. Simulation of cellular-dendritic solidification structures of binary alloys in three-dimensional growth using a multiparticle diffusion-limited aggregation model
  20. Microstructure and age-hardening effects of aluminium alloys with additions of scandium and zirconium
  21. Notifications / Mitteilungen
  22. Personal/Personelles
  23. Materials Week
  24. News/Aktuelles
  25. Books/Bücher
  26. Conferences / Konferenzen
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