Startseite Experimental study and thermodynamic assessment of the ZrO2–DyO1.5 system
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Experimental study and thermodynamic assessment of the ZrO2–DyO1.5 system

  • Chong Wang , Matsvei Zinkevich und Fritz Aldinger
Veröffentlicht/Copyright: 23. Mai 2013
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 98 Heft 2

Abstract

The phase equilibria and thermodynamic properties in the ZrO2 – DyO1.5 system have been studied using the experimental methods of X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy, differential thermal analysis and high temperature drop calorimetry. The tetragonal + fluorite and fluorite + C-Dy2O3 phase equilibria between 1400 °C and 1700 °C have been determined, together with the enthalpy increments of the materials with 30 mol.% and 50 mol.% DyO1.5 in the temperature range 200 – 1400 °C. Furthermore, the martensitic transformation temperatures (As, Ms) have been measured for the samples with 1 and 2 mol.% DyO1.5. Finally, thermodynamic assessment has been carried out using the experimental results obtained and literature data.

Keywords: ZrO2 – DyO1.5; Phase equilibria; Thermodynamics; CALPHAD
* Correspondence address, Dr. Matsvei Zinkevich Max-Planck-Institute for Metals Research Heisenbergstr. 3, D-70569 Stuttgart, Germany Tel.: +49 711 689 3105 Fax: +49 711 689 3131 E-mail:

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Received: 2006-8-1
Accepted: 2006-11-25
Published Online: 2013-05-23
Published in Print: 2007-02-01

© 2007, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Basic
  4. A comparison of different distributions of azimuth angles in the sin2 ψ-method
  5. Experimental study and thermodynamic assessment of the ZrO2–DyO1.5 system
  6. Liquid–solid phase equilibria in metal-rich Hf–Ti–Si alloys
  7. Density and atomic volume in liquid Al–Fe and Al–Ni binary alloys
  8. Identification of liquid/solid transformations in eutectic Pb–Sn alloy
  9. Cyclic deformation behaviour and lifetime calculation of the magnesium die-cast alloys AZ91D, MRI 153M and MRI 230D
  10. Applied
  11. Superplastic deformation behavior of a spray-deposited eutectic NiAl/Cr(Mo) alloy doped with Dy
  12. Fracture behavior of overmatched ductile iron weldment
  13. Design of carbide-free low-temperature ultra high strength bainitic steels
  14. The influence of orientation and aluminium content on the deformation mechanisms of Hadfield steel single crystals
  15. Effect of tempering on the microstructure and hardness of ledeburitic chromium steel X155CrVMo12.1
  16. Notifications
  17. DGM News
https://doi.org/10.3139/146.101441
Schlagwörter für diesen Artikel
ZrO2 – DyO1.5; Phase equilibria; Thermodynamics; CALPHAD

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Basic
  4. A comparison of different distributions of azimuth angles in the sin2 ψ-method
  5. Experimental study and thermodynamic assessment of the ZrO2–DyO1.5 system
  6. Liquid–solid phase equilibria in metal-rich Hf–Ti–Si alloys
  7. Density and atomic volume in liquid Al–Fe and Al–Ni binary alloys
  8. Identification of liquid/solid transformations in eutectic Pb–Sn alloy
  9. Cyclic deformation behaviour and lifetime calculation of the magnesium die-cast alloys AZ91D, MRI 153M and MRI 230D
  10. Applied
  11. Superplastic deformation behavior of a spray-deposited eutectic NiAl/Cr(Mo) alloy doped with Dy
  12. Fracture behavior of overmatched ductile iron weldment
  13. Design of carbide-free low-temperature ultra high strength bainitic steels
  14. The influence of orientation and aluminium content on the deformation mechanisms of Hadfield steel single crystals
  15. Effect of tempering on the microstructure and hardness of ledeburitic chromium steel X155CrVMo12.1
  16. Notifications
  17. DGM News
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