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Thermodynamic assessment of the Pd–Zr system

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Veröffentlicht/Copyright: 4. Februar 2022
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 94 Heft 8

Abstract

The Pd–Zr system has been critically assessed by means of the CALPHAD technique. The solution phases (liquid, body-centered cubic (Zr), face-centered cubic (Pd) and hexagonal close-packed (Zr)) were modeled with the Redlich – Kister equation. The intermetallic compounds Pd3Zr and γPdZr, which have a homogeneity range, were treated as the formulae (Pd, Zr)3(Pd, Zr) and (Pd, Va)(Pd, Zr) by a two-sublattice model with Pd and Zr or Pd and vacancies, denoted Va, on the first sublattice, Pd and Zr on the second one, respectively. Both compounds Pd2Zr and PdZr2 having a tetragonal MoSi2-type structure were treated as one phase with the formula PdZr(Pd, Zr) by a three-sublattice model with Pd on the first sublattice, Zr on the second, and Pd and Zr on the third one, respectively. The others were treated as stoichiometric compounds. A set of self-consistent thermodynamic parameters of the Pd–Zr system was obtained.

Keywords: Pd–Zr system; Pd alloys; Zr alloys; CALPHAD technique; Thermodynamic assessment
Prof. Z. Du Department of Materials Science and Engineering University of Science and Technology Beijing Beijing 100083, P. R. China Tel.: +86 10 6233 3772 Fax: +86 10 6233 3772

  1. This work was supported by National Natural Science Foundation of China (NSFC) (Grant No. 50071007, 50271008), and the Thermo-Calc software was used.

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Received: 2002-08-02
Published Online: 2022-02-04

© 2003 Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Frontmatter
  2. Articles/Aufsätze
  3. An atomistic Monte Carlo simulation of precipitation in a binary system
  4. Thermodynamic assessment of the Pd–Zr system
  5. Cyclic deformation and dislocation structure evolution of a copper bicrystal with components rotating gradually along the grain boundary
  6. Microstructural characterization of alloys of the quasibinary Cu–NiBe system
  7. Microstructural characterisation and thermal stability of a metastable Mg-8.6 wt.% Zr alloy produced by physical vapour deposition
  8. Development of microstructure in solution-heat-treated Mg-5Al-xCa alloys
  9. The effect of Ti alloying on the mechanical properties and microstructure of a Zn–Al–Cu–Mg alloy
  10. Dry wear response of a Zn-based alloy containing 37.5% Al as affected by sliding conditions
  11. Microstructure selection map for rapidly solidified Al-rich Al–Sr alloys
  12. Dependence of the microstructure, residual stresses and texture of AA 6013 friction stir welds on the welding proces
  13. The effect of carbon on the restoration phenomena during hot deformation of carbon steels
  14. Deformation behavior during hot torsion of an ultrahigh carbon steel containing 1.3 wt.% C
  15. Effect of impact damage on electrical resistivity of C/C–SiC composites
  16. Depth-resolved residual stress evaluation from X-ray diffraction measurement data using the approximate inverse method
  17. Combined scanning probe microscopy and electron microscopy study of microstructure evolution in copper processed by equal channel angular pressing
  18. Notifications/Mitteilungen
  19. Personal/ Personelles
  20. Information
  21. Books/Bücher
  22. Conferences /Konferenzen
https://doi.org/10.1515/ijmr-2003-0154
Schlagwörter für diesen Artikel
Pd–Zr system; Pd alloys; Zr alloys; CALPHAD technique; Thermodynamic assessment

Artikel in diesem Heft

  1. Frontmatter
  2. Articles/Aufsätze
  3. An atomistic Monte Carlo simulation of precipitation in a binary system
  4. Thermodynamic assessment of the Pd–Zr system
  5. Cyclic deformation and dislocation structure evolution of a copper bicrystal with components rotating gradually along the grain boundary
  6. Microstructural characterization of alloys of the quasibinary Cu–NiBe system
  7. Microstructural characterisation and thermal stability of a metastable Mg-8.6 wt.% Zr alloy produced by physical vapour deposition
  8. Development of microstructure in solution-heat-treated Mg-5Al-xCa alloys
  9. The effect of Ti alloying on the mechanical properties and microstructure of a Zn–Al–Cu–Mg alloy
  10. Dry wear response of a Zn-based alloy containing 37.5% Al as affected by sliding conditions
  11. Microstructure selection map for rapidly solidified Al-rich Al–Sr alloys
  12. Dependence of the microstructure, residual stresses and texture of AA 6013 friction stir welds on the welding proces
  13. The effect of carbon on the restoration phenomena during hot deformation of carbon steels
  14. Deformation behavior during hot torsion of an ultrahigh carbon steel containing 1.3 wt.% C
  15. Effect of impact damage on electrical resistivity of C/C–SiC composites
  16. Depth-resolved residual stress evaluation from X-ray diffraction measurement data using the approximate inverse method
  17. Combined scanning probe microscopy and electron microscopy study of microstructure evolution in copper processed by equal channel angular pressing
  18. Notifications/Mitteilungen
  19. Personal/ Personelles
  20. Information
  21. Books/Bücher
  22. Conferences /Konferenzen
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