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The Constitution of Alloys in the Al-rich Corner of the Al–Si–Sm Ternary System

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Published/Copyright: January 12, 2022
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 92 Issue 9

Abstract

The constitution of alloys and the liquidus surface in the Al-rich corner of the Al –Si–Sm ternary system were determined by the examination of controlled heated and cooled specimens, as well as heat-treated specimens by means of optical and scanning electron microscopy, energy-dispersive X-ray spectroscopy, differential thermal analysis and X-ray diffraction. The Al-rich corner of the Al –Si–Sm ternary system comprises five regions of primary crystallisation (αAl, βSi, Al3Sm, Al2Si2Sm and AlSiSm) with following characteristic invariant reaction sequences: ternary eutectic reaction L → αAl + βSi + Al2Si2Sm, and two liquidus transition reactions, i. e., L + Al3Sm → αAl + AlSiSm, and L + AlSiSm → αAl + Al2Si2Sm. Along with the position of ternary eutectic and both interstitial points in the Al-rich corner of the Al-Si-Sm ternary system, the temperatures for each reaction were determined.

Keywords: Constitution of aluminium alloys; Ternary system Al –Si –Sm; Microstructure; Liquidus projection
Dr. B. Markoli Faculty of Natural Science and Engineering University of Ljubljana Aškerčeva 12, 1000 Ljubljana, Slovenia Fax: +386 1 470 45 60

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Received: 2001-03-19
Published Online: 2022-01-12

© 2001 Carl Hanser Verlag, München

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  2. Editorial
  3. European Symposium on Nanomechanical Testing
  4. Aufsätze
  5. Comparison of Different Hardness Definitions Usable for Micro- and Nanoindentation
  6. Nanohardness Measurements for Industrial Applications
  7. Friction Studied with the Scanning Force Microscope
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  11. Pop-ins in Nanoindentations – the Initial Yield Point
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  13. A Comparision of Nano-Hardness and Scratch-Resistance on Mohs Minerals
  14. Assisting an Experimental Investigation by Assessment and Use of a Thermodynamic Description for the Cd–Ge System
  15. Phase Equilibria and Thermodynamics in the Y2O3–Al2O3–SiO2 System
  16. The Constitution of Alloys in the Al-rich Corner of the Al–Si–Sm Ternary System
  17. The Al–Si–C Phase Diagram and Its Use for Microstructural Analysis of MMCp and MMCf Composite Materials
  18. Surface Segregation and Surface Tension in Liquid Fe–Cu Alloys
  19. Mitteilungen/Notifications
  20. Personelles/Personal
  21. Bücher/Books
  22. Tagungen/Conferences
https://doi.org/10.3139/ijmr-2001-0198
Keywords for this article
Constitution of aluminium alloys; Ternary system Al –Si –Sm; Microstructure; Liquidus projection

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. European Symposium on Nanomechanical Testing
  4. Aufsätze
  5. Comparison of Different Hardness Definitions Usable for Micro- and Nanoindentation
  6. Nanohardness Measurements for Industrial Applications
  7. Friction Studied with the Scanning Force Microscope
  8. Laser-Acoustics, a Method for Testing Coatings and Material Surfaces
  9. Nanoindentation Induced Acoustic Emission Monitoring of Native Oxide Fracture and Phase Transformations
  10. Deformation Curves of Ta-Silicide Thin Films Obtained in Cyclic Nanoindentation Experiments
  11. Pop-ins in Nanoindentations – the Initial Yield Point
  12. The Effect of Temperature and Strain Rate on the Hardness of Al and Al-Based Foams as Measured by Nanoindentation
  13. A Comparision of Nano-Hardness and Scratch-Resistance on Mohs Minerals
  14. Assisting an Experimental Investigation by Assessment and Use of a Thermodynamic Description for the Cd–Ge System
  15. Phase Equilibria and Thermodynamics in the Y2O3–Al2O3–SiO2 System
  16. The Constitution of Alloys in the Al-rich Corner of the Al–Si–Sm Ternary System
  17. The Al–Si–C Phase Diagram and Its Use for Microstructural Analysis of MMCp and MMCf Composite Materials
  18. Surface Segregation and Surface Tension in Liquid Fe–Cu Alloys
  19. Mitteilungen/Notifications
  20. Personelles/Personal
  21. Bücher/Books
  22. Tagungen/Conferences
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