Microstructure and Corrosion of Mg-Based Composites Produced from Custom-Made Powders of AZ31 and Ti6Al4V via Pulse Plasma Sintering

Magnesium (Mg) and its alloys offer promise for aerospace, railway, and 3D technology applications, yet their inherent limitations, including inadequate strength, pose challenges. Magnesium matrix composites, particularly with metallic reinforcements like titanium (Ti) and its alloys, present a viab...

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Bibliographic Details
Published in:Materials 2024-04, Vol.17 (7), p.1602
Main Authors: Dobkowska, Anna, Kruszewski, Mirosław Jakub, Ciftci, Jakub, Morończyk, Bartosz, Zgłobicka, Izabela, Zybała, Rafał, Żrodowski, Łukasz
Format: Article
Language:English
Subjects:
Corrosion and anti-corrosives
Corrosion effects
Corrosion rate
Corrosion resistance
Crystal structure
Deformation
Densification
Ductility
Electronics industry
Graphite
Hot pressing
Industrial applications
Investigations
Magnesium alloys
Magnesium base alloys
Manufacturing
Mechanical properties
Metal matrix composites
Microhardness
Microstructure
Particle size
Plasma sintering
Powder metallurgy
Powders
Prospective payment systems (Medical care)
Sintering
Sintering (powder metallurgy)
Substrates
Temperature
Titanium base alloys
Yield stress
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Summary:Magnesium (Mg) and its alloys offer promise for aerospace, railway, and 3D technology applications, yet their inherent limitations, including inadequate strength, pose challenges. Magnesium matrix composites, particularly with metallic reinforcements like titanium (Ti) and its alloys, present a viable solution. Therefore, this study investigates the impact of Ti6Al4V reinforcement on AZ31 magnesium alloy composites produced using pulse plasma sintering (PPS). Results show enhanced microhardness of the materials due to improved densification and microstructural refinement. However, Ti6Al4V addition decreased corrosion resistance, leading to strong microgalvanic corrosion and substrate dissolution. Understanding these effects is crucial for designing Mg-based materials for industries like petrochemicals, where degradation-resistant materials are vital for high-pressure environments. This research provides valuable insights into developing Mg-Ti6Al4V composites with tailored properties for diverse industrial applications, highlighting the importance of considering corrosion behavior in material design. Further investigation is warranted to establish predictive correlations between Ti6Al4V content and corrosion rate for optimizing composite performance.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma17071602