On the Possibility of the Deformation of Mg and Alloys Without Preheating of Initial Billets: Understanding Their Corrosion Performance via Electrochemical Tests
2024

Deformation of Magnesium Alloys Without Preheating and Their Corrosion Performance

publication Evidence: moderate

Author Information

Author(s): Dobkowska Anna, Kubasek Jiri, Li Xiaogang

Primary Institution: Faculty of Materials Science and Engineering, Warsaw University of Technology

Hypothesis

Can magnesium alloys be deformed without preheating while maintaining or improving their corrosion resistance?

Conclusion

The KoBo extrusion method improves the corrosion resistance of pure magnesium and its alloys without the need for preheating.

Supporting Evidence

  • The KoBo method allows for the deformation of magnesium alloys without preheating, which is unusual for these materials.
  • Corrosion resistance varies significantly among different magnesium alloys processed by the KoBo method.
  • Electrochemical tests showed that the corrosion resistance of pure magnesium improved when deformed using the KoBo method.

Takeaway

This study shows that we can shape magnesium alloys without heating them up first, which helps them resist rust better.

Methodology

The study used electrochemical tests to evaluate the corrosion resistance of various magnesium alloys processed by KoBo extrusion without preheating.

Limitations

The specific temperature inside the extruder during processing is not clearly defined.

Digital Object Identifier (DOI)

10.3390/ma17246182

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