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Electrochemical Behavior of Inductively Sintered Al/TiO Nanocomposites Reinforced by Electrospun Ceramic Nanofibers. | LitMetric

Electrochemical Behavior of Inductively Sintered Al/TiO Nanocomposites Reinforced by Electrospun Ceramic Nanofibers.

Polymers (Basel)

Center of Excellence for Research in Engineering Materials (CEREM), King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia.

Published: December 2021

This study is focuses on the investigation of the effect of using TiO short nanofibers as a reinforcement of an Al matrix on the corrosion characteristics of the produced nanocomposites. The TiO ceramic nanofibers used were synthesized via electrospinning by sol-gel process, then calcinated at a high temperature to evaporate the residual polymers. The fabricated nanocomposites contain 0, 1, 3 and 5 wt.% of synthesized ceramic nanofibers (TiO). Powder mixtures were mixed for 1 h via high-energy ball milling in a vacuum atmosphere before being inductively sintered through a high-frequency induction furnace at 560 °C for 6 min. The microstructure of the fabricated samples was studied by optical microscope and field emission scanning electron microscope (FESEM) before and after corrosion studies. Corrosion behavior of the sintered samples was evaluated by both electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization techniques (PPT) in 3.5% NaCl solution for one hour and 24-h immersion times. The results show that even though the percentage of ceramic nanofibers added negatively control corrosion resistance, it is still possible to increase resistance against corrosion for the fabricated nanocomposite by more than 75% in the longer exposure time periods.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8704123PMC
http://dx.doi.org/10.3390/polym13244319DOI Listing

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