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Low cycle fatigue behavior under asymmetric loading of two AZ31B magnesium alloys with different microstructures and textures

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Published/Copyright: October 18, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 104 Issue 10

Abstract

Low cycle fatigue experiments under asymmetric loading on differently prepared AZ31 alloys show that the alloy with fine grains exhibits higher stress amplitudes than those of the alloy with coarse grains at the same strain amplitudes. The elastic strain in the tensile process is higher than that in the compressive process for both alloys, but the difference is much smaller for the alloy with fine grains. The microstructure with fine grains exhibits a symmetrical hysteresis loop and cyclic strain softening at the early fatigue stage at low strain amplitude.

Keywords:: AZ31B magnesium alloy; Texture; Cyclic deformation; Twinning; Slip
* Correspondence address, Professor Baolin Wu, School of Materials Science and Engineering, Shenyang Aerospace University, South Avenue of Daoyi, 110136, Shenyang, China, Tel.: +86-024-89728701, Fax: +86-024-89728729, E-mail:

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Received: 2012-8-13
Accepted: 2013-4-9
Published Online: 2013-10-18
Published in Print: 2013-10-10

© 2013, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.110952
Keywords for this article
AZ31B magnesium alloy; Texture; Cyclic deformation; Twinning; Slip

Articles in the same Issue

  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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