Startseite Effects of heat treatment and testing temperature on the tensile properties of Al–Cu and Al–Cu–Si based alloys
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Effects of heat treatment and testing temperature on the tensile properties of Al–Cu and Al–Cu–Si based alloys

  • A. I. Ibrahim , E. M. Elgallad , A. M. Samuel , H. W. Doty und F. H. Samuel
Veröffentlicht/Copyright: 26. März 2018
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 109 Heft 4

Abstract

The present study aimed at investigating the effects of different additives and heat treatments on the mechanical properties of Al-2.4 %Cu-1.2 %Si-0.4 %Mg-0.4 %Fe-0.6 %Mn alloy, a casting alloy intended for automotive applications. The research was accomplished through a study of the tensile properties in both as-cast and heat-treated conditions, where the effects of different heat treatments, i. e., T5, T6, T62 and T7, commonly applied to aluminum casting alloys were evaluated at ambient and at high temperature (250 °C), using different holding (stabilization) times at testing temperature. Six alloys were prepared using 0.15 wt.% Ti grain-refined alloy – considered as the base alloy B0, and alloys B1 and B2, and D0, D1, and D2 containing various amounts of Ni, Cr, V, Zr and La, added individually or in combination. The D-series alloys had a higher Si content of 8 wt.%. The results showed that T6 and T62 treatments provide the best improvements in strength at room temperature. At high temperature, the tensile properties vary depending on the stabilization time and heat treatment. The best alloy quality is provided by B1 and D1 alloys in T62 (444/368 MPa) and T7 (430/360 MPa) conditions, respectively.

Keywords: Aluminum alloys; Heat treatment; Tensile testing; Q-charts and contour charts; Fractography
*Correspondence address, Professor Fawzy H. Samuel, Département des Sciences appliquées, Université du Québec à Chicoutimi, 555 Boulevard de l'Université, Chicoutimi, QC, G7H 2B1, Canada, Tel.: +(418) 545-5406, Fax: +(418) 545-5012, E-mail: , Web www.uqac.ca

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Received: 2017-08-16
Accepted: 2017-11-23
Published Online: 2018-03-26
Published in Print: 2018-04-13

© 2018, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Original Contributions
  4. Deposition of CVD-TiCN and TiAlN coatings guided with thermodynamic calculations
  5. Microstructure and mechanical properties of ultra-fine WC-10Co cemented carbides with Cr3C2 and NbC: Experimental investigation supported by thermodynamic calculation
  6. Enthalpies of mixing in binary Mn–In and ternary Mn–In–Gd liquid alloys
  7. Thermal stability of Nb–Cr–Mo alloy
  8. Effect of processing parameters on the grain refinement of vanadium nitrogen microalloyed steel
  9. Effects of heat treatment and testing temperature on the tensile properties of Al–Cu and Al–Cu–Si based alloys
  10. Fabrication of Al–Si Gasar by mold casting technique
  11. Tribological performance of glass/epoxy composites filled with MWCNTs
  12. Reaction fabrication and wear performance of TiCx/(Cu–A1) bonded diamond composites
  13. DC-EPD of nanoceramic particles accelerated via anodic dissolution in organic media
  14. Short Communications
  15. Formation of zirconia precursor nanoplates mediated by ionic liquid and transformation to monoclinic ZrO2 nanostructures
  16. Characterization of interfaces in tri-layered brass/steel/brass composites fabricated by casting and hot dipping
  17. DGM News
  18. DGM News
https://doi.org/10.3139/146.111605
Schlagwörter für diesen Artikel
Aluminum alloys; Heat treatment; Tensile testing; Q-charts and contour charts; Fractography

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Original Contributions
  4. Deposition of CVD-TiCN and TiAlN coatings guided with thermodynamic calculations
  5. Microstructure and mechanical properties of ultra-fine WC-10Co cemented carbides with Cr3C2 and NbC: Experimental investigation supported by thermodynamic calculation
  6. Enthalpies of mixing in binary Mn–In and ternary Mn–In–Gd liquid alloys
  7. Thermal stability of Nb–Cr–Mo alloy
  8. Effect of processing parameters on the grain refinement of vanadium nitrogen microalloyed steel
  9. Effects of heat treatment and testing temperature on the tensile properties of Al–Cu and Al–Cu–Si based alloys
  10. Fabrication of Al–Si Gasar by mold casting technique
  11. Tribological performance of glass/epoxy composites filled with MWCNTs
  12. Reaction fabrication and wear performance of TiCx/(Cu–A1) bonded diamond composites
  13. DC-EPD of nanoceramic particles accelerated via anodic dissolution in organic media
  14. Short Communications
  15. Formation of zirconia precursor nanoplates mediated by ionic liquid and transformation to monoclinic ZrO2 nanostructures
  16. Characterization of interfaces in tri-layered brass/steel/brass composites fabricated by casting and hot dipping
  17. DGM News
  18. DGM News
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