Startseite Temperature dependence of lattice mismatch and γ′ volume fraction of a fourth-generation monocrystalline nickel-based superalloy
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Temperature dependence of lattice mismatch and γ′ volume fraction of a fourth-generation monocrystalline nickel-based superalloy

  • Frédéric Diologent EMAIL logo , Pierre Caron , Thierry d’Almeida , Sylvain Chambreland , Alain Jacques und Pierre Bastie
Veröffentlicht/Copyright: 12. Januar 2022
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Abstract

The strain distribution in a new generation nickel-based single crystal superalloy has been determined in the temperature range 293 K– 1598 K. Measurements have been performed using diffraction of high energy synchrotron radiation (150 keV, λ = 0.008 nm) to determine the variations with temperature of the γ/γ′ lattice mismatch and of the γ′ volume fraction. The chemical segregation at the dendrite scale and the internal stress induce a large range of values for the lattice mismatch. The measurements of the γ′ volume fraction determined by X-ray diffraction are in agreement with those obtained by atom probe tomography, image analysis or computation.


Dr. Frédéric Diologent Laboratoire de métallurgie mécanique, Ecole Polytechnique Fédérale de Lausanne CH-1015 Lausanne, Switzerland Tel.: +41 21 693 48 57 Fax: +41 21 693 46 64

  1. This work was partially funded by Snecma under Contract N° 670002. The authors would like to thank A. Schnell from Alstom Power for having provided with JMat Pro data and the ESRF for the beam time allocation.

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Received: 2005-09-05
Accepted: 2006-02-24
Published Online: 2022-01-12

© 2006 Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Extended editorial with anecdotes
  3. Anelastic relaxation and structure of ternary Fe–Al–Me alloys with Me = Co, Cr, Ge, Mn, Nb, Si, Ta, Ti, Zr
  4. Kinetic study of the β → α + γ transformation reaction in a CuZnAl alloy
  5. Calorimetric investigation of the binary Cu–In system
  6. Thermodynamic properties of liquid Cu–In–Zn alloys
  7. Comparing the thermodynamic behaviour of Al(l) + ZrO2(4% Y2O3) and Al(l) + Al2O3
  8. Failure-mode dependence of the strengthening effect in Ti3AlC2/10 vol.% Al2O3 composite
  9. Investigation of Cu-graphite composites prepared by electroforming
  10. Neutron diffraction analysis of martensite ageing in high-carbon FeCMnSi steel
  11. Effect of reinforcement size hybridization on the wear properties of SiCp/Cu Composites
  12. Temperature dependence of lattice mismatch and γ′ volume fraction of a fourth-generation monocrystalline nickel-based superalloy
  13. Novel combinatorial microstructures in Ti-6Al-4V alloy achieved by an electric-current-pulse treatment
  14. The Effect of Ti–B and Sr on the mechanical behaviour of the Zinc–Aluminum-based ZA-12 alloy produced by gravity casting
  15. Determination of retained austenite in multiphase steels by magnetic force microscopy
  16. Filtration resistance during pressure filtration tests of liquid aluminium alloys
  17. Microstructure of a Damascene sabre after annealing
  18. Effect of tin added to the zinc bath on the formation and the microstructure of hot-dip galvanized coatings
  19. Personal
  20. Conferences
  21. Contents
  22. Editorial
  23. Extended editorial with anecdotes
  24. Basic
  25. Anelastic relaxation and structure of ternary Fe–Al–Me alloys with Me = Co, Cr, Ge, Mn, Nb, Si, Ta, Ti, Zr
  26. Kinetic study of the β → α + γ transformation reaction in a CuZnAl alloy
  27. Calorimetric investigation of the binary Cu–In system
  28. Thermodynamic properties of liquid Cu–In–Zn alloys
  29. Comparing the thermodynamic behaviour of Al(l) + ZrO2(4% Y2O3) and Al(l) + Al2O3
  30. Failure-mode dependence of the strengthening effect in Ti3AlC2/10 vol.% Al2O3 composite
  31. Investigation of Cu-graphite composites prepared by electroforming
  32. Neutron diffraction analysis of martensite ageing in high-carbon FeCMnSi steel
  33. Applied
  34. Effect of reinforcement size hybridization on the wear properties of SiCp/Cu Composites
  35. Temperature dependence of lattice mismatch and γ′ volume fraction of a fourth-generation monocrystalline nickel-based superalloy
  36. Novel combinatorial microstructures in Ti-6Al-4V alloy achieved by an electric-current-pulse treatment
  37. The Effect of Ti–B and Sr on the mechanical behaviour of the Zinc–Aluminum-based ZA-12 alloy produced by gravity casting
  38. Determination of retained austenite in multiphase steels by magnetic force microscopy
  39. Filtration resistance during pressure filtration tests of liquid aluminium alloys
  40. Microstructure of a Damascene sabre after annealing
  41. Effect of tin added to the zinc bath on the formation and the microstructure of hot-dip galvanized coatings
  42. Notifications
  43. Personal
  44. Conferences
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