Startseite Hot compression deformation of an Mg–2.54Nd–0.26Zn–0.32Zr alloy
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Hot compression deformation of an Mg–2.54Nd–0.26Zn–0.32Zr alloy

  • H. H. Liu , Z. L. Ning , F. Y. Cao , J. F. Du und J. F. Sun
Veröffentlicht/Copyright: 18. Oktober 2013
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 104 Heft 10

Abstract

The hot compression deformation of an Mg–2.54Nd–0.26Zn–0.32Zr cast alloy was investigated in the 25–400°C temperature range at initial strain rates from 10−4 s−1 to 10−2 s−1. It was found that strain rate has little effect on true stress when the material was compressed below 250°C. Above this temperature, high strain rates resulted in an increased true stress. The average strain rate sensitivity exponent at higher temperature (300–400°C) was determined to be 0.24 and the calculated activation energy was 185 kJ · mol−1, which is higher than that of lattice self diffusion of pure Mg. The constitutive equation was established and the Zener-Hollomon parameter was calculated as a function of peak stress. The microstructure of a sample tested at 300°C was analyzed by optical microscopy.

Keywords:: Mg–2.54Nd–0.26Zn–0.32Zr alloy; Hot compression deformation; Activation energy; Constitutive equation
* Correspondence address, Prof. Dr. J. F. Sun, School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, China, Tel.: +86-451-86418317, Fax: +86-451-86418317, E-mail:

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Received: 2012-12-22
Accepted: 2013-5-4
Published Online: 2013-10-18
Published in Print: 2013-10-10

© 2013, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Original Contributions
  4. Martensite–austenite transformation kinetics of high Cr ferritic heat-resistant steel
  5. Ageing texture of hot rolled and solution treated Ti–Nb alloys
  6. Artificial aging of thixocast ZA27 alloy and particulate ZA27/SiCp composites
  7. Low cycle fatigue behavior under asymmetric loading of two AZ31B magnesium alloys with different microstructures and textures
  8. Mechanical properties of aluminum extruded via the KOBO method with direct and lateral outflow
  9. Hot compression deformation of an Mg–2.54Nd–0.26Zn–0.32Zr alloy
  10. Evaluation of the sliding performance of polyamide, poly-oxy-methylene and their composites
  11. Corrosion behaviour of AISI 204Cu and AISI 304 stainless steels in simulated pore solution
  12. Comparing the corrosion behavior of nanograined and coarse-grained interstitial free steels
  13. Electrochemical investigation of the effect of different laser surface treatments on Hastelloy G alloy
  14. Influence of sputtering gas pressure on properties of transparent conducting Si-doped zinc oxide films
  15. Cu2SnS3 absorber thin films prepared via successive ionic layer adsorption and reaction method
  16. Nano preparation of Dy3+ substituted ceria via urea-formaldehyde gel combustion route
  17. Short Communications
  18. Preparation of ZrB2-based nanocomposites with limited grain growth by means of low-temperature hot-pressing using Cu additive
  19. Combustion synthesis of Ti2SC
  20. People
  21. Prof. Dr. Tomaž Kosmač
  22. DGM News
  23. DGM News
https://doi.org/10.3139/146.110954
Schlagwörter für diesen Artikel
Mg–2.54Nd–0.26Zn–0.32Zr alloy; Hot compression deformation; Activation energy; Constitutive equation

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Original Contributions
  4. Martensite–austenite transformation kinetics of high Cr ferritic heat-resistant steel
  5. Ageing texture of hot rolled and solution treated Ti–Nb alloys
  6. Artificial aging of thixocast ZA27 alloy and particulate ZA27/SiCp composites
  7. Low cycle fatigue behavior under asymmetric loading of two AZ31B magnesium alloys with different microstructures and textures
  8. Mechanical properties of aluminum extruded via the KOBO method with direct and lateral outflow
  9. Hot compression deformation of an Mg–2.54Nd–0.26Zn–0.32Zr alloy
  10. Evaluation of the sliding performance of polyamide, poly-oxy-methylene and their composites
  11. Corrosion behaviour of AISI 204Cu and AISI 304 stainless steels in simulated pore solution
  12. Comparing the corrosion behavior of nanograined and coarse-grained interstitial free steels
  13. Electrochemical investigation of the effect of different laser surface treatments on Hastelloy G alloy
  14. Influence of sputtering gas pressure on properties of transparent conducting Si-doped zinc oxide films
  15. Cu2SnS3 absorber thin films prepared via successive ionic layer adsorption and reaction method
  16. Nano preparation of Dy3+ substituted ceria via urea-formaldehyde gel combustion route
  17. Short Communications
  18. Preparation of ZrB2-based nanocomposites with limited grain growth by means of low-temperature hot-pressing using Cu additive
  19. Combustion synthesis of Ti2SC
  20. People
  21. Prof. Dr. Tomaž Kosmač
  22. DGM News
  23. DGM News
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