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Thermodynamic assessment of the systems La2O3–Al2O3 and La2O3–Y2O3

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Published/Copyright: January 21, 2022
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 97 Issue 11

Abstract

The thermodynamic parameters of the systems La2O3– Al2O3 and La2O3–Y2O3 are assessed using the Calphad technique. The available phase equilibrium data and calorimetric measurements for the LaAlO3, perovskite phase have been used. The calculated phase diagrams are in reasonable agreement with experimental results. However, experimental data for the La2O3–Y2O3 system demonstrated large uncertainty and new experimental study of solid state reactions would be useful to verify the calculated diagram. Experimental investigations of thermodynamic properties are necessary for both systems to verify the calculated phase diagrams and thermodynamic properties.

Keywords: Phase diagram; Assessment of thermodynamic parameters; Perovskite structure; Sublattice model
O. Fabrichnaya Max-Planck-Institut für Metallforschung Heisenbergstr. 3, D-70569 Stuttgart, Germany Tel.: +49 711 689 3106 Fax: +49 711 689 3131

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Received: 2006-02-15
Accepted: 2006-07-10
Published Online: 2022-01-21

© 2006 Carl Hanser Verlag, München

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. Diffusion of 65Zn in the Mg17Al12 intermetallic compound and in the Mg-33.4 wt.% Al eutectic
  4. Thermodynamic modeling of the sodium alanates and the Na–Al–H system
  5. Thermodynamic assessment of the systems La2O3–Al2O3 and La2O3–Y2O3
  6. Re-evaluation of phase equilibria in the Al–Mo system
  7. EBSD and EDX analysis at the cladding–substrate interface of a laser clad railway wheel
  8. Thermodynamic properties of liquid silver–indium–antimony alloys determined from e.m.f. measurements
  9. Density and excess volumes of liquid copper, cobalt, iron and their binary and ternary alloys
  10. Thermodynamic investigation of Co–Cr alloys, III: Thermo-analytical measurements using DSC and DTA techniques
  11. Effect of a low frequency electromagnetic field on the direct-chill (DC) casting of AZ80 magnesium alloy ingots
  12. Microstructure of the “white layer” formed on nitrided Fe-7 wt.% Cr alloys
  13. The effect of ageing on tensile behaviour, mode I and mixed mode I/III fracture toughness of 7010 aluminium alloy
  14. Plane bending fatigue behavior of interstitial-free steel at room temperature
  15. Fracture behaviour of ultrafine-grained materials under static and cyclic loading
  16. Influence of process parameters on particle characteristics using a combined pressure-swirl-gas atomizer
  17. Processing and mechanical behaviour of a dual scale particle strengthened copper composite
  18. Electrochemical characterisation of magnesium and wrought magnesium alloys
  19. Progress in understanding the metallurgy of 18% nickel maraging steels
  20. Quality Management Basics on a High Level
  21. Personal
  22. News
  23. Frontmatter
  24. Editorial
  25. Editorial
  26. Basic
  27. Diffusion of 65Zn in the Mg17Al12 intermetallic compound and in the Mg-33.4 wt.% Al eutectic
  28. Thermodynamic modeling of the sodium alanates and the Na–Al–H system
  29. Thermodynamic assessment of the systems La2O3–Al2O3 and La2O3–Y2O3
  30. Re-evaluation of phase equilibria in the Al–Mo system
  31. EBSD and EDX analysis at the cladding–substrate interface of a laser clad railway wheel
  32. Thermodynamic properties of liquid silver–indium–antimony alloys determined from e.m.f. measurements
  33. Density and excess volumes of liquid copper, cobalt, iron and their binary and ternary alloys
  34. Thermodynamic investigation of Co–Cr alloys, III: Thermo-analytical measurements using DSC and DTA techniques
  35. Applied
  36. Effect of a low frequency electromagnetic field on the direct-chill (DC) casting of AZ80 magnesium alloy ingots
  37. Microstructure of the “white layer” formed on nitrided Fe-7 wt.% Cr alloys
  38. The effect of ageing on tensile behaviour, mode I and mixed mode I/III fracture toughness of 7010 aluminium alloy
  39. Plane bending fatigue behavior of interstitial-free steel at room temperature
  40. Fracture behaviour of ultrafine-grained materials under static and cyclic loading
  41. Influence of process parameters on particle characteristics using a combined pressure-swirl-gas atomizer
  42. Processing and mechanical behaviour of a dual scale particle strengthened copper composite
  43. Electrochemical characterisation of magnesium and wrought magnesium alloys
  44. History
  45. Progress in understanding the metallurgy of 18% nickel maraging steels
  46. Notifications
  47. Quality Management Basics on a High Level
  48. Personal
  49. News
https://doi.org/10.3139/ijmr-2006-0234
Keywords for this article
Phase diagram; Assessment of thermodynamic parameters; Perovskite structure; Sublattice model

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. Diffusion of 65Zn in the Mg17Al12 intermetallic compound and in the Mg-33.4 wt.% Al eutectic
  4. Thermodynamic modeling of the sodium alanates and the Na–Al–H system
  5. Thermodynamic assessment of the systems La2O3–Al2O3 and La2O3–Y2O3
  6. Re-evaluation of phase equilibria in the Al–Mo system
  7. EBSD and EDX analysis at the cladding–substrate interface of a laser clad railway wheel
  8. Thermodynamic properties of liquid silver–indium–antimony alloys determined from e.m.f. measurements
  9. Density and excess volumes of liquid copper, cobalt, iron and their binary and ternary alloys
  10. Thermodynamic investigation of Co–Cr alloys, III: Thermo-analytical measurements using DSC and DTA techniques
  11. Effect of a low frequency electromagnetic field on the direct-chill (DC) casting of AZ80 magnesium alloy ingots
  12. Microstructure of the “white layer” formed on nitrided Fe-7 wt.% Cr alloys
  13. The effect of ageing on tensile behaviour, mode I and mixed mode I/III fracture toughness of 7010 aluminium alloy
  14. Plane bending fatigue behavior of interstitial-free steel at room temperature
  15. Fracture behaviour of ultrafine-grained materials under static and cyclic loading
  16. Influence of process parameters on particle characteristics using a combined pressure-swirl-gas atomizer
  17. Processing and mechanical behaviour of a dual scale particle strengthened copper composite
  18. Electrochemical characterisation of magnesium and wrought magnesium alloys
  19. Progress in understanding the metallurgy of 18% nickel maraging steels
  20. Quality Management Basics on a High Level
  21. Personal
  22. News
  23. Frontmatter
  24. Editorial
  25. Editorial
  26. Basic
  27. Diffusion of 65Zn in the Mg17Al12 intermetallic compound and in the Mg-33.4 wt.% Al eutectic
  28. Thermodynamic modeling of the sodium alanates and the Na–Al–H system
  29. Thermodynamic assessment of the systems La2O3–Al2O3 and La2O3–Y2O3
  30. Re-evaluation of phase equilibria in the Al–Mo system
  31. EBSD and EDX analysis at the cladding–substrate interface of a laser clad railway wheel
  32. Thermodynamic properties of liquid silver–indium–antimony alloys determined from e.m.f. measurements
  33. Density and excess volumes of liquid copper, cobalt, iron and their binary and ternary alloys
  34. Thermodynamic investigation of Co–Cr alloys, III: Thermo-analytical measurements using DSC and DTA techniques
  35. Applied
  36. Effect of a low frequency electromagnetic field on the direct-chill (DC) casting of AZ80 magnesium alloy ingots
  37. Microstructure of the “white layer” formed on nitrided Fe-7 wt.% Cr alloys
  38. The effect of ageing on tensile behaviour, mode I and mixed mode I/III fracture toughness of 7010 aluminium alloy
  39. Plane bending fatigue behavior of interstitial-free steel at room temperature
  40. Fracture behaviour of ultrafine-grained materials under static and cyclic loading
  41. Influence of process parameters on particle characteristics using a combined pressure-swirl-gas atomizer
  42. Processing and mechanical behaviour of a dual scale particle strengthened copper composite
  43. Electrochemical characterisation of magnesium and wrought magnesium alloys
  44. History
  45. Progress in understanding the metallurgy of 18% nickel maraging steels
  46. Notifications
  47. Quality Management Basics on a High Level
  48. Personal
  49. News
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