Startseite Effect of quench–ageing treatment on the microstructure and properties of Zn-15Al-3Cu alloy
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Effect of quench–ageing treatment on the microstructure and properties of Zn-15Al-3Cu alloy

  • Temel Savaşkan und Ali Paşa Hekimoğlu
Veröffentlicht/Copyright: 12. Mai 2015
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 106 Heft 5

Abstract

In order to determine the effect of quench–ageing treatment on the microstructure and properties of Zn-15Al-3Cu alloy, it was prepared by permanent mould casting and then solution treated at a temperature of 330 °C, quenched and aged at 180 °C. The changes in the microstructure, length, hardness, strength and ductility of the quenched alloy were monitored during ageing. The microstructure of the alloy in the as-cast condition consisted of β dendrites and α, η and ∊ phases. However, solution treatment followed by quenching removed the lamellar microstructure of the alloy and produced a supersaturated β solid solution. Subsequent ageing resulted in transformation of β solid solution to α and η phases and conversion of metastable ∊ phase to stable T′ compound. Appropriate ageing times for T6 and T7 heat treatments of this alloy have been determined according to the experimental results.

Keywords: Zinc-based alloys; Quench–ageing treatment; Scanning electron microscopy; X-ray diffraction; Phase transformation
* Correspondence address, Prof. Dr. Temel Savaşkan, Department of Mechanical Engineering, Karadeniz Technical University, Kanuni Campus, 61080 Trabzon, Turkey, Tel.: +90 4623772919, Fax: +90 4623773336, E-mail:

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Received: 2014-11-10
Accepted: 2014-12-15
Published Online: 2015-05-12
Published in Print: 2015-05-13

© 2015, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Original Contributions
  4. Thermodynamic description of the Ti–O system
  5. Influence of MgO on the phase equilibria in the CuOx–FeOy–MgO–SiO2 system in equilibrium with copper alloy – Part I: methodology and liquidus in the tridymite primary phase field
  6. Experimental phase diagram of the V–Si–Ho ternary system
  7. Experimental study of the phase relationships in the Al-rich corner of the Al–Si–Fe–Cr quaternary system at 700 °C
  8. Effect of quench–ageing treatment on the microstructure and properties of Zn-15Al-3Cu alloy
  9. Grain growth and thermal stability in nanocrystalline Fe–B alloys prepared by melt spinning
  10. Microatmosphere sintering of Fe-3.2Mn-1.5Si-0.5C steel in flowing technical nitrogen
  11. Structural, thermal and optical studies of nanocomposite powder NiSb + Sb produced by mechanical alloying
  12. Effect of Mo/B atomic ratio on the properties of Mo2NiB2-based cermets
  13. Improving the stoichiometry of RF-sputtered amorphous alumina thin films by thermal annealing
  14. Assessment on the contact factors of a sandwich soft finger model – An experimental investigation
  15. Reducing debinding time in thick components fabricated by powder injection molding
  16. Short Communications
  17. Rapid synthesis of Ag nanoparticles and Ag@SiO2 core–shells
  18. Electrical conductivity of bismuth doped dysprosia stabilized zirconia as an electrolyte material for SOFC
  19. People
  20. Prof. Dr.-Ing. Lorenz Singheiser on the occasion of his 65th birthday
  21. DGM News
  22. DGM News
https://doi.org/10.3139/146.111207
Schlagwörter für diesen Artikel
Zinc-based alloys; Quench–ageing treatment; Scanning electron microscopy; X-ray diffraction; Phase transformation

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Original Contributions
  4. Thermodynamic description of the Ti–O system
  5. Influence of MgO on the phase equilibria in the CuOx–FeOy–MgO–SiO2 system in equilibrium with copper alloy – Part I: methodology and liquidus in the tridymite primary phase field
  6. Experimental phase diagram of the V–Si–Ho ternary system
  7. Experimental study of the phase relationships in the Al-rich corner of the Al–Si–Fe–Cr quaternary system at 700 °C
  8. Effect of quench–ageing treatment on the microstructure and properties of Zn-15Al-3Cu alloy
  9. Grain growth and thermal stability in nanocrystalline Fe–B alloys prepared by melt spinning
  10. Microatmosphere sintering of Fe-3.2Mn-1.5Si-0.5C steel in flowing technical nitrogen
  11. Structural, thermal and optical studies of nanocomposite powder NiSb + Sb produced by mechanical alloying
  12. Effect of Mo/B atomic ratio on the properties of Mo2NiB2-based cermets
  13. Improving the stoichiometry of RF-sputtered amorphous alumina thin films by thermal annealing
  14. Assessment on the contact factors of a sandwich soft finger model – An experimental investigation
  15. Reducing debinding time in thick components fabricated by powder injection molding
  16. Short Communications
  17. Rapid synthesis of Ag nanoparticles and Ag@SiO2 core–shells
  18. Electrical conductivity of bismuth doped dysprosia stabilized zirconia as an electrolyte material for SOFC
  19. People
  20. Prof. Dr.-Ing. Lorenz Singheiser on the occasion of his 65th birthday
  21. DGM News
  22. DGM News
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