In-depth analysis of the influence of bio-silica filler (Didymosphenia geminata frustules) on the properties of Mg matrix composites

Zgłobicka, Izabela B.; Dobkowska, Anna; Zielińska, Aleksandra; Borucinska, Ewa; Kruszewski, Mirosław J.; Zybała, Rafał; Płociński, Tomasz; Idaszek, Joanna; Jaroszewicz, Jakub; Paradowski, Krystian; Adamczyk-Cieślak, Bogusława; Nikiforow, Kostiantyn; Bucholc, Bartosz; Święszkowski, Wojciech; Kurzydłowski, Krzysztof J.

doi:10.1016/j.jma.2023.08.001

Cited by 4 publications

(1 citation statement)

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“…Still, the major anodic reaction was Mg dissolution. The observed mechanism is stronger than the corrosion damage observed for Mg reinforced with ceramic particles produced using the same technique [42]. One can notice that the agglomeration of Ti6Al4V particles intensified corrosion propagation, in agreement with the rule that a bigger cathodic area caused faster dissolution of anodic areas, and this phenomenon was not compensated by smaller grain size formed in the composites.…”

Section: Discussionsupporting

confidence: 72%

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

Dobkowska,

Kruszewski,

Ciftci

et al. 2024

Materials

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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.

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Section: Discussionsupporting

confidence: 72%