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A study of phase equilibria in the Al-rich part of the Al-Mn alloy system

  • Benjamin Grushko und Sergiy Balanetskyy
Veröffentlicht/Copyright: 18. Mai 2013
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 99 Heft 12

Abstract

Following new findings by Y. Du et al. (Int. J. Mater. Res. 98 (2007) 855), the Al-Mn phase diagram was re-examined in the compositional range of ∼4 to 27 at.% Mn using scanning and transmission electron microscopy, energy-dispersive X-ray analysis and differential thermal analysis. The corrections to the Al-Mn phase diagram concerning the reactions involving the Al6Mn and Al4Mn phases reported in the above-mentioned contribution were not confirmed. Instead, our results were in agreement with those reported earlier by Murray et al. (Metall. Trans. A18 (1987) 385): the reaction Al6Mn + μ ↔ λ occurs at 695 °C, and L + μ ↔ Al6Mn at 705 °C. At higher Al concentrations, the reactions μ ↔ L + T, μ + v ↔ T and T ↔ L + γ1 were revealed at ∼923, 913°C and 1001 °C, respectively, in good agreement with the literature data.

Kinetic effects during phase transitions of the Al-Mn alloys are discussed on the basis of experimental results.

Keywords: Phase diagrams; Al-Mn; Differential thermal analysis
∗ Correspondence address, Dr. Benjamin Grushko, Institut für Festkörperforschung, Forschungszentrum Jülich, D-52425 Jülich, Germany, Tel.: +492461 612399, Fax: +492461 616444. E-mail:

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Received: 2008-3-12
Accepted: 2008-8-23
Published Online: 2013-05-18
Published in Print: 2008-12-01

© 2008, Carl Hanser Verlag, München

Artikel in diesem Heft

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  2. Contents
  3. Editorial
  4. Editorial December 2008
  5. Basic
  6. Thermodynamic description of the C-Fe-Mn system with key experiments and its practical applications
  7. A study of phase equilibria in the Al-rich part of the Al-Mn alloy system
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  9. Experimental study on gallium activity in the liquid Ga-Bi-Sn alloys using the EMF method with zirconia solid electrolyte
  10. Modeling of the hot deformation behavior of boron microalloyed steels under uniaxial hot-compression conditions
  11. A new kinetic treatment of the oxidation of β-SiAlON powder
  12. Quantification of ∊-martensite after thermocycling in Fe-(17∼25)Mn alloys
  13. The effect of pre-structure process on magnetorheological elastomer performance
  14. Applied
  15. Corrosion protective double layer hard coatings
  16. Interpretation of inorganic melts' surface properties on the basis of chemical status and structural relations
  17. Basic
  18. Achieving ultra-fine grains in AZ61 Mg alloy by friction stir processing
  19. The combined effect of titanic carbide and aluminum phosphide on the refinement of primary silicon in Al-50Si alloy
  20. Applied
  21. The role of solidification conditions on the microstructural features of AA6111 aluminum strips cast on a horizontal single belt caster
  22. Far infrared spectroscopy of Pb0.85Sn0.15Te alloy doped with Ni
  23. DGM News
  24. DGM News
https://doi.org/10.3139/146.101768
Schlagwörter für diesen Artikel
Phase diagrams; Al-Mn; Differential thermal analysis

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. Editorial December 2008
  5. Basic
  6. Thermodynamic description of the C-Fe-Mn system with key experiments and its practical applications
  7. A study of phase equilibria in the Al-rich part of the Al-Mn alloy system
  8. Transient dopant segregation and precipitation in yttrium-doped alumina
  9. Experimental study on gallium activity in the liquid Ga-Bi-Sn alloys using the EMF method with zirconia solid electrolyte
  10. Modeling of the hot deformation behavior of boron microalloyed steels under uniaxial hot-compression conditions
  11. A new kinetic treatment of the oxidation of β-SiAlON powder
  12. Quantification of ∊-martensite after thermocycling in Fe-(17∼25)Mn alloys
  13. The effect of pre-structure process on magnetorheological elastomer performance
  14. Applied
  15. Corrosion protective double layer hard coatings
  16. Interpretation of inorganic melts' surface properties on the basis of chemical status and structural relations
  17. Basic
  18. Achieving ultra-fine grains in AZ61 Mg alloy by friction stir processing
  19. The combined effect of titanic carbide and aluminum phosphide on the refinement of primary silicon in Al-50Si alloy
  20. Applied
  21. The role of solidification conditions on the microstructural features of AA6111 aluminum strips cast on a horizontal single belt caster
  22. Far infrared spectroscopy of Pb0.85Sn0.15Te alloy doped with Ni
  23. DGM News
  24. DGM News
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