Corrosion performance of electrospinning nanofiber ZnO-NiO-CuO/polycaprolactone coated on mild steel in acid solution

AlFalah, Mothana Ghazi Kadhim; Kamberli, Ersin; Abbar, Ali H.; Kandemi̇rlı, Fatma; Saraçoğlu, Murat

doi:10.1016/j.surfin.2020.100760

Cited by 17 publications

(6 citation statements)

References 55 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In addition, the air in hospitals and laboratories should be constantly filtered and disinfected. Thanks to the simplicity of manufacturing nanofiber mats from various antibacterial biopolymers or the use particles, such as ZnO or silver nanoparticles, can be produced [ 111 , 112 ]. Numerous bacteria, viruses and microorganisms can grow well on moist and warm environment and the air filters are susceptible to microbial colonization [ 113 ].…”

Section: Application Areas Of Electrospun Air Filtration Mediamentioning

confidence: 99%

Electrospun Nanofiber Mats for Filtering Applications—Technology, Structure and Materials

2021

View full text Add to dashboard Cite

Air pollution is one of the biggest health and environmental problems in the world and a huge threat to human health on a global scale. Due to the great impact of respiratory viral infections, chronic obstructive pulmonary disease, lung cancer, asthma, bronchitis, emphysema, lung disease, and heart disease, respiratory allergies are increasing significantly every year. Because of the special properties of electrospun nanofiber mats, e.g., large surface-to-volume ratio and low basis weight, uniform size, and nanoporous structure, nanofiber mats are the preferred choice for use in large-scale air filtration applications. In this review, we summarize the significant studies on electrospun nanofiber mats for filtration applications, present the electrospinning technology, show the structure and mechanism of air filtration. In addition, an overview of current air filtration materials derived from bio- and synthetic polymers and blends is provided. Apart from this, the use of biopolymers in filtration applications is still relatively new and this field is still under-researched. The application areas of air filtration materials are discussed here and future prospects are summarized in conclusion. In order to develop new effective filtration materials, it is necessary to understand the interaction between technology, materials, and filtration mechanisms, and this study was intended to contribute to this effort.

show abstract

Section: Application Areas Of Electrospun Air Filtration Mediamentioning

confidence: 99%

Electrospun Nanofiber Mats for Filtering Applications—Technology, Structure and Materials

2021

View full text Add to dashboard Cite

show abstract

“…The electrochemical cell was consisted of three electrodes. A mild steel was used as a working electrode with a diameter of 1 cm, length of 3 cm, and an exposed surface area of 0.785 cm 2 and prepared with a similar procedure mentioned in our previous work [34]. The reference electrode was from Ag/AgCl (3 M NaCl), while the auxiliary electrode was from a platinum wire.…”

Section: Corrosion Studiesmentioning

confidence: 99%

“…Because of the improved corrosion resistance ability of the surface layer and the adsorption of inhibitor molecules on the surface, the positive change in OCP effectively states the passive status of the underlying metal. The positive shifting of OCP values is attributable to the inhibitor molecules' active function in protecting mild steel surfaces against aggressive ions such as hydrogen and chloride [34,43,44].…”

Section: Ocp Pdp and Lpr Studiesmentioning

confidence: 99%

“…Because the shapes of the impedance curves with inhibitors present differed from the shapes of the curves of uninhibited mild steel, we have two equivalent circuits. In Nyquist plots, the existence of semicircle shapes is clarified to explain not just the resistance to charge transfer, as well as the strength of the double electrical layer between the surface and the interface of the electrolyte [34,51]. In addition, Fig.…”

Section: Eis Testsmentioning

confidence: 99%

See 1 more Smart Citation

Corrosion Inhibition Potential of Dithiohydrazodicarbonamide Derivatives for Mild Steel in Acid Media: Synthesis, Experimental, DFT, and Monte Carlo Studies

AlFalah

Kandemi̇rlı

2021

Arab J Sci Eng

Self Cite

View full text Add to dashboard Cite

In the present work, new compounds, namely 2-fluoro phenyl-2,5-dithiohydrazodicarbonamide (2FPDC) and 4-fluoro phenyl-2,5-dithiohydrazodicarbonamide (4FPDC), were successfully synthesized and examined as corrosion inhibitors for mild steel in 1 M HCl. The molecular structures were characterized by Fourier transform infrared spectroscopy (FT-IR) and 1 H, 13 C nuclear magnetic resonance (NMR). A scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDX), and atomic force microscope (AFM) were conducted to identify the surface morphology of mild steel in the absence and existence of a corrosion inhibitor. Several electrochemical techniques have been conducted to evaluate inhibitor efficiency. The influence of immersion time on the efficiency of inhibitors was also investigated. The electrochemical results showed that both compounds appeared to be mixed type. However, 4FPDC is slightly more efficient than 2FPDC (97.3% compared with 96.5% at 1 × 10 −2 M and an immersion time of 5 h). The resistance polarization for inhibitors was found to obey an order of 4FPDC > 2FPDC. The Langmuir isotherm system revealed the best match, and the type of adsorption was physisorption and chemisorption in both compounds. SEM and EDX results have confirmed the presence of particles of inhibitor on the metal surface. A smooth surface was observed in the presence of inhibitors approved by AFM. Quantum chemical results showed that the adsorption of molecules of inhibitor takes place predominantly through protonated structures, and strongly agreed with experimental results. The results reveal that excellent inhibition efficiency was attained even in aggressive conditions, and they can be viewed as novel corrosion inhibitors for mild steel with excellent protection. Keywords Materials and Experimental Methods MaterialsA mild steel rod was purchased from a local market with a chemical composition as follows: (Wt.%): 0.18 C,

show abstract

“…It has been demonstrated that the electrospun fibers doped with ZnO NPs have produced an important reduction of the corrosion current of the aluminum substrate in two orders of magnitude, showing also an important enhancement against pitting corrosion resistance. Other representative works by using PCL-ZnO NPs deposited onto magnesium [68] or a combination of metallic oxides (PCL/ZnO-NiO-CuO) deposited onto mild steel [87] have also been implemented, and in both cases also endow an increase in the corrosion resistance. Our experimental results also corroborate that the electrospun samples containing ZnO NPs showed better corrosion properties because the resultant corrosion rate (mm/year) is decreased in one order of magnitude in comparison with the free ZnO NPs electrospun fibers, indicating a better corrosion protection efficiency, as can be appreciated in Table 5.…”

Section: Corrosion Resistancementioning

confidence: 99%

Modeling Experimental Parameters for the Fabrication of Multifunctional Surfaces Composed of Electrospun PCL/ZnO-NPs Nanofibers

et al. 2021

View full text Add to dashboard Cite

In this work, a one-step electrospinning technique has been implemented for the design and development of functional surfaces with a desired morphology in terms of wettability and corrosion resistance by using polycaprolactone (PCL) and zinc oxide nanoparticles (ZnO NPs). The surface morphology has been characterized by confocal microscopy, scanning electron microscopy (SEM), atomic force microscopy (AFM) and water contact angle (WCA), whereas the corrosion resistance has been evaluated by Tafel polarization curves. Strict control over the input operational parameters (applied voltage, feeding rate, distance tip to collector), PCL solution concentration and amount of ZnO NPs have been analyzed in depth by showing their key role in the final surface properties. With this goal in mind, a design of experiment (DoE) has been performed in order to evaluate the optimal coating morphology in terms of fiber diameter, surface roughness (Ra), water contact angle (WCA) and corrosion rate. It has been demonstrated that the solution concentration has a significant effect on the resultant electrospun structure obtained on the collector with the formation of beaded fibers with a higher WCA value in comparison with uniform bead-free fibers (dry polymer deposition or fiber-merging aspect). In addition, the presence of ZnO NPs distributed within the electrospun fibers also plays a key role in corrosion resistance, although it also leads to a decrease in the WCA. Finally, this is the first time that an exhaustive analysis by using DoE has been evaluated for PCL/ZnO electrospun fibers with the aim to optimize the surface morphology with the better performance in terms of corrosion resistance and wettability.

show abstract

Corrosion performance of electrospinning nanofiber ZnO-NiO-CuO/polycaprolactone coated on mild steel in acid solution

Cited by 17 publications

References 55 publications

Electrospun Nanofiber Mats for Filtering Applications—Technology, Structure and Materials

Electrospun Nanofiber Mats for Filtering Applications—Technology, Structure and Materials

Corrosion Inhibition Potential of Dithiohydrazodicarbonamide Derivatives for Mild Steel in Acid Media: Synthesis, Experimental, DFT, and Monte Carlo Studies

Modeling Experimental Parameters for the Fabrication of Multifunctional Surfaces Composed of Electrospun PCL/ZnO-NPs Nanofibers

Contact Info

Product

Resources

About