Startseite Technik Influence of heat treatment on the structure, hardness and strength of ZnAl40Cu3 alloy
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Influence of heat treatment on the structure, hardness and strength of ZnAl40Cu3 alloy

  • Rafał Michalik
Veröffentlicht/Copyright: 31. März 2017
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 108 Heft 4

Abstract

This paper presents the results of studies on the effects of thermal treatment on the structure, hardness and strength of a high-aluminium monotectoid ZnAl40Cu3 alloy. The alloy was tested in the following conditions: after supersaturation at a temperature of 385 °C; after supersaturation at a temperature of 385 °C and subsequent ageing at temperatures of 125, 150 and 175 °C; and after annealing at a temperature of 185 °C. The studies revealed that annealing at a temperature of 185 °C causes a decrease in hardness and strength of ZnAl40Cu3 alloy. In contrast, the highest increase in hardness and strength was obtained by “incomplete” supersaturation at a temperature of 385 °C for 10 h. The increase in hardness and strength of the ZnAl40Cu3 alloy observed in the result of “incomplete” supersaturation at a temperature of 385 °C for 10 h may be connected with, most of all, formation of a quasi-dendritic structure. It was found that ageing of supersaturated samples causes a decrease in their hardness when compared to that of the samples after supersaturation.

Keywords: Zn–Al alloys; Heat treatment; Hardness; Strength; Structure
*Correspondence address, Rafał Michalik, Department of Materials Science, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, Poland, Tel.: +48 326034443, Fax: +48 326034400, E-mail:

Reference

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Received: 2016-12-28
Accepted: 2017-01-20
Published Online: 2017-03-31
Published in Print: 2017-04-13

© 2017, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Original Contributions
  4. Formation of intermetallic compounds and their effect on mechanical properties of aluminum–titanium alloy films
  5. Microstructure and properties of hot extruded Mg-3Zn-Y-xCu (x = 0, 1, 3, 5) alloys
  6. Effects of rare-earth element addition and heat treatment on the microstructures and mechanical properties of Al-25 % Si alloy
  7. Effects of silicon on characteristics of dynamic strain aging in a near-α titanium alloy
  8. Influence of heat treatment on the structure, hardness and strength of ZnAl40Cu3 alloy
  9. W–Cu composites subjected to heavy hot deformation
  10. Electrochemical performance of CuBi2O4 nanoparticles synthesized via a polyacrylamide gel route
  11. Mechanical properties of nano-SiO2 reinforced 3D glass fiber/epoxy composites
  12. Reinforcement effect and synergy of carbon nanofillers with different dimensions in high density polyethylene based nanocomposites
  13. Short Communications
  14. A general method towards transition metal monoboride nanopowders
  15. DGM News
  16. DGM News
https://doi.org/10.3139/146.111485
Schlagwörter für diesen Artikel
Zn–Al alloys; Heat treatment; Hardness; Strength; Structure

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Original Contributions
  4. Formation of intermetallic compounds and their effect on mechanical properties of aluminum–titanium alloy films
  5. Microstructure and properties of hot extruded Mg-3Zn-Y-xCu (x = 0, 1, 3, 5) alloys
  6. Effects of rare-earth element addition and heat treatment on the microstructures and mechanical properties of Al-25 % Si alloy
  7. Effects of silicon on characteristics of dynamic strain aging in a near-α titanium alloy
  8. Influence of heat treatment on the structure, hardness and strength of ZnAl40Cu3 alloy
  9. W–Cu composites subjected to heavy hot deformation
  10. Electrochemical performance of CuBi2O4 nanoparticles synthesized via a polyacrylamide gel route
  11. Mechanical properties of nano-SiO2 reinforced 3D glass fiber/epoxy composites
  12. Reinforcement effect and synergy of carbon nanofillers with different dimensions in high density polyethylene based nanocomposites
  13. Short Communications
  14. A general method towards transition metal monoboride nanopowders
  15. DGM News
  16. DGM News
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