Study on AA5083 Aluminum Alloy Reinforced with Chromium
Author Information
Author(s): Özkaya Serdar
Primary Institution: Karadeniz Technical University
Hypothesis
The study aims to evaluate the influence of varying chromium content on the mechanical, tribological, and corrosion characteristics of AA5083/Cr metal–metal composites.
Conclusion
The addition of chromium enhances the mechanical and tribological performance of AA5083 composites, but excessive chromium content can reduce corrosion resistance.
Supporting Evidence
- Hardness increased by approximately 50% with 15 wt.% Cr.
- Wear loss reduced by 30% in the 15 wt.% Cr composite.
- The 10 wt.% Cr sample exhibited the greatest corrosion resistance.
Takeaway
This study shows that adding chromium to aluminum makes it harder and better at resisting wear, but too much chromium can make it rust more easily.
Methodology
AA5083-Cr composites were produced using powder metallurgy, with varying chromium content (5%, 10%, and 15% by weight) and analyzed for hardness, tensile strength, wear, and corrosion properties.
Limitations
The study does not address long-term performance or environmental impacts of the composites.
Digital Object Identifier (DOI)
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