How Strain Rate Affects Texture in AZ80 Magnesium Alloy
Author Information
Author(s): Ji Yebeen, Yun Jimin, Kim Kibeom, Lee Tae Hee, Kim Kwonhoo
Primary Institution: Pukyong National University
Hypothesis
The study investigates how strain rate and initial texture influence the texture evolution of AZ80 magnesium alloys during high-temperature processing.
Conclusion
The study found that lower strain rates lead to a significant reduction in the critical resolved shear stress of non-basal slip systems, resulting in nearly identical peak stresses across different initial textures.
Supporting Evidence
- The study shows that the activation of non-basal slip systems inhibits the development of basal texture.
- Grain boundary migration had minimal effects on texture development.
- The results indicate that processing parameters can significantly influence texture evolution in magnesium alloys.
Takeaway
This study looks at how changing the speed of deformation affects the structure of a type of magnesium alloy, which can help make it easier to shape in manufacturing.
Methodology
The study used plane strain compression tests on AZ80 magnesium alloy specimens at 723 K and a strain rate of 0.0005 s−1 to analyze texture evolution.
Limitations
The study did not provide direct evidence of twinning in the microstructure, which may limit the understanding of deformation mechanisms.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website