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The effect of Cu and Al on the mechanical properties of gravity-cast hyper-eutectic Zn–Al-based alloys

  • Ahmet Türk EMAIL logo , Mehmet Durman and Sabri E. Kayali
Published/Copyright: February 7, 2022
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 94 Issue 9

Abstract

A series of Zn– Al-based alloys, one group with 1% Cu and the other without Cu, was produced by using gravity casting. The effect of Al content on hardness, ultimate tensile strength (UTS), impact strength, and tensile creep behaviour at 120 °C and an applied stress of 40 MPa has been investigated. It has been found that the hardness and UTS of the alloys considerably increased with increasing Al content, but the creep strength decreased. The impact strength of the alloys improved with increasing Al content up to 7.5% and then reduced gradually with further increase in Al content. In addition, the effect of 1% Cu addition on the mentioned properties has been determined. While the addition of 1% Cu had a profound effect on increasing the hardness, UTS, and creep strength, it did not have a significant effect on the impact strength of the alloys. Metallographic examinations showed that an increasing Al content of the alloys increased the volume fraction of the Al-rich β dendrites in expense of a decreased volume fraction of the eutectic, which is in principle responsible for the change in mechanical properties of the alloys depending on the Al content

Keywords: Zn–Al alloys; Mechanical properties; Zn–Al–Cu alloys
Dr. Ahmet Türk Dept. of Materials and Metallurgical Eng. Sakarya University, Esentepe Campus 54187, Adapazari, Turkey Tel.: +90 26 43 46 03 53 Fax: +90 26 43 46 03 51

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Received: 2003-02-02
Published Online: 2022-02-07

© 2003 Carl Hanser Verlag München

Articles in the same Issue

  1. Frontmatter
  2. Articles/Aufsätze
  3. Bulk and grain boundary diffusion of Ag in γ-FeNi alloy
  4. Thermodynamics of ordered intermetallic compounds containing point defects
  5. Relationship between the sodium oxide activity of ceramic (Na-β + β″)-alumina and the sodium activity in the ambience of the material
  6. Calorimetric study of MgZn2 and Mg2Zn11
  7. The (γ + γ′)/γ′ phase boundary in the Ni–Al phase diagram from 600 to 1200 °C
  8. Experimental investigation and thermodynamic calculation of ternary Al–Ca–Mg phase equilibria
  9. Texture development in Al alloys during tensile testing
  10. Dispersion strengthening of copper by internal oxidation of rapidly solidified Cu-RE alloys
  11. The effect of Cu and Al on the mechanical properties of gravity-cast hyper-eutectic Zn–Al-based alloys
  12. Hot deformation characteristics of Ti-6Al-4V
  13. Effect of carbon and nitrogen on the stacking fault energy of high-alloyed iron-based austenite
  14. Influence of charged hydrogen on tensile behavior of a pressure vessel steel at relatively high temperatures
  15. The damping behavior of a Ni-50 at.%Ti shape memory alloy
  16. Development of SMD 32.768 kHz tuning fork-type crystals
  17. Investigation of the miscibility gap region in liquid Ga–Pb alloys
  18. Notifications/Mitteilungen
  19. Werner-Köster-Preis 2002
  20. Personal/Personelles
  21. Information
  22. Books/Bücher
  23. Conferences/Konferenzen
https://doi.org/10.1515/ijmr-2003-0181
Keywords for this article
Zn–Al alloys; Mechanical properties; Zn–Al–Cu alloys

Articles in the same Issue

  1. Frontmatter
  2. Articles/Aufsätze
  3. Bulk and grain boundary diffusion of Ag in γ-FeNi alloy
  4. Thermodynamics of ordered intermetallic compounds containing point defects
  5. Relationship between the sodium oxide activity of ceramic (Na-β + β″)-alumina and the sodium activity in the ambience of the material
  6. Calorimetric study of MgZn2 and Mg2Zn11
  7. The (γ + γ′)/γ′ phase boundary in the Ni–Al phase diagram from 600 to 1200 °C
  8. Experimental investigation and thermodynamic calculation of ternary Al–Ca–Mg phase equilibria
  9. Texture development in Al alloys during tensile testing
  10. Dispersion strengthening of copper by internal oxidation of rapidly solidified Cu-RE alloys
  11. The effect of Cu and Al on the mechanical properties of gravity-cast hyper-eutectic Zn–Al-based alloys
  12. Hot deformation characteristics of Ti-6Al-4V
  13. Effect of carbon and nitrogen on the stacking fault energy of high-alloyed iron-based austenite
  14. Influence of charged hydrogen on tensile behavior of a pressure vessel steel at relatively high temperatures
  15. The damping behavior of a Ni-50 at.%Ti shape memory alloy
  16. Development of SMD 32.768 kHz tuning fork-type crystals
  17. Investigation of the miscibility gap region in liquid Ga–Pb alloys
  18. Notifications/Mitteilungen
  19. Werner-Köster-Preis 2002
  20. Personal/Personelles
  21. Information
  22. Books/Bücher
  23. Conferences/Konferenzen
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