Evaluation of Corrosion Inhibition of Mild Steel in 3.5 wt% NaCl Solution by Cerium Nitrate

Dastgheib, Ali; Attar, M.M.; Zarebidaki, Arman

doi:10.1007/s12540-019-00432-x

Cited by 33 publications

(19 citation statements)

References 43 publications

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“…An X-ray diffractometer (XRD, DE/D8 Advance, Bruker) using Cu-Kα radiation was used to identify the crystal structures of the BTO nanoparticles and PVDF nanofibers. A Fourier transform infrared spectrometer (FTIR, Nicolet iS50, Thermo Scientific) was used to identify the crystalline phases of the PVDF nanofibers [20][21][22][23]. The output voltages and currents of the piezoelectric sensors were measured using a source meter (2602B, Keithley Instruments) under a periodic compressive force generated by a pushing tester (JIPT-100, Junil Tech).…”

Section: Experimental Methodsmentioning

confidence: 99%

A Comparative Study of BaTiO3/PDMS Composite Film and a PVDF Nanofiber Mat for Application to Flexible Pressure Sensors

Park¹,

Kim²

2021

Korean J. Met. Mater.

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A Comparative Study of BaTiO3/PDMS Composite Film and a PVDF Nanofiber Mat for Application to Flexible Pressure SensorsIntensive research has been conducted to develop flexible piezoelectric pressure sensors, since selfpowering devices are advantageous for wearable electronic applications. Recently, two types of piezoelectric devices, ceramic-PDMS composite film and PVDF nanofiber mats, have drawn attention in the research community. Piezoelectric ceramics such as BaTiO3 (BTO) and PZT exhibit outstanding piezoelectric coefficients, while PDMS provides flexibility. In contrast, a PVDF nanofiber mat simultaneously exhibits piezoelectricity and flexibility. In the present study, a comparative analysis of BTO-PDMS composite film and a PVDF nanofiber mat for application to flexible pressure sensors was carried out. First, step-wise electric poling was conducted on these two types of pressure sensors, after which the open-circuit voltage (Voc) was measured under compressive force. The 1.8 V peak-to-peak Voc was measured in a BTO-PDMS composite with a 30 wt.% BTO content that was poled by 10 kV/mm electric field for 15 min. This peak-to-peak Voc of the BTO-PDMS composite increased further to ~ 4 V when it was poled for 24 hr. Unlike the BTO-PDMS composite films, the maximum Voc (1.1 V) was measured in a PVDF nanofiber mat that did not undergo subsequent electric poling. A BTO-PDMS composite film and a PVDF nanofiber mat were fabricated, and the compressive force and strain-rate dependencies of Voc and the short-circuit current (Isc) were investigated. Overall, the Voc and Isc of the BTO-PDMS composite film exceeded those of the PVDF nanofiber mat in a force range of 1 − 25 N and frequency range of 0.5 − 2.0 Hz. However, the Voc and Isc signals from the PVDF nanofiber mat were more stable than those from the BTO-PDMS composite film due to the longer lifetime of the signals.

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Section: Experimental Methodsmentioning

confidence: 99%

A Comparative Study of BaTiO3/PDMS Composite Film and a PVDF Nanofiber Mat for Application to Flexible Pressure Sensors

Park¹,

Kim²

2021

Korean J. Met. Mater.

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“…Some industrial practices use mild steel in a sodium chloride medium and get extremely affected by corrosion including the corrosion of the food cans, pipes buried into the ground, ships, bridges, and oil pipelines due to the high salinity of the water. And during some chemical industrial processes like cleaning, pickling, descaling or sometimes with transportation also mild steel may be corroded by the sodium chloride solution [1][2][3][4]. Pipelines are crossing or nearby seawater and marine environments get in contact with the sodium chloride solution and corrode.…”

Section: Introductionmentioning

confidence: 99%

Effect of concentration of polyurethane on the anticorrosive property of Vanillin based benzoxazine - A Thermal, Electrochemical and Quantum approach

K¹,

Sivaraju

Shanmugasundaram

2022

Preprint

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Benzoxazine monomer prepared from vanillin and n-butylamine is characterized by 1H NMR, 13C NMR, FT-IR and UV visible spectroscopic techniques. The synthesized monomer is coated on the mild steel with polyurethane (PU) hardener and cured. The thermal properties of the monomer with and without polyurethane hardener were studied by TGA and DSC methods. The effect of various concentrations of the PU hardener with the benzoxazine monomer on hardness, water absorption, and gel absorption was investigated. Various concentrations of PU hardener with benzoxazine coating (VaBZ-PU) on the mild steel were investigated by the electrochemical impedance and polarisation studies. The study revealed that the increasing concentration of PU in the coating with the benzoxazine increased their thermal, chemical and anticorrosive properties. The DFT calculations are performed to support the anti-corrosive ability of the material.

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“…According to the literature, many organic and inorganic compounds are utilized as inhibitors in controlling the corrosion of metals in 3.5% NaCl. Among these inorganic inhibitors, sodium molybdate, cerium nitrate, and Ce(III, IV) ammonium nitrate have been employed as corrosion inhibitors for steel pipelines, 1 mild steel (MS), 2 and AA2024 aluminum alloy, 3 respectively. In the context of preservation of different metals in 3.5% NaCl brine solution using organic inhibitors, many substances have been evaluated.…”

Section: Introductionmentioning

confidence: 99%

Ethanedihydrazide as a Corrosion Inhibitor for Iron in 3.5% NaCl Solutions

et al. 2021

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Corrosion of iron in sodium chloride (3.5% wt) solutions and its inhibition by ethanedihydrazide (EH) have been reported. Electrochemical impedance spectroscopy (EIS), cyclic potentiodynamic polarization (CPP), and change of current with time at −475 mV (Ag/AgCl) measurements were employed in this study. Scanning electron microscopy (SEM) and energy-dispersive X-ray (EDX) techniques were utilized to report surface morphology and elemental analysis, respectively. The presence of 5 × 10–5 M EH was found to inhibit the corrosion of iron, and the effect of inhibition profoundly increased with an increase in EH concentration up to 1 × 10–4 M and further to 5 × 10–4 M. The low values of corrosion current and high corrosion resistance, which were obtained from the EIS, CPP, and change of current with time experiments, affirmed the adequacy of EH as a corrosion inhibitor for iron. Surface investigations demonstrated that the chloride solution without EH molecules causes severe corrosion, while the coexistence of EH within the chloride solution greatly minimizes the acuteness of chloride, particularly pitting corrosion.

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Evaluation of Corrosion Inhibition of Mild Steel in 3.5 wt% NaCl Solution by Cerium Nitrate

Cited by 33 publications

References 43 publications

A Comparative Study of BaTiO3/PDMS Composite Film and a PVDF Nanofiber Mat for Application to Flexible Pressure Sensors

A Comparative Study of BaTiO3/PDMS Composite Film and a PVDF Nanofiber Mat for Application to Flexible Pressure Sensors

Effect of concentration of polyurethane on the anticorrosive property of Vanillin based benzoxazine - A Thermal, Electrochemical and Quantum approach

Ethanedihydrazide as a Corrosion Inhibitor for Iron in 3.5% NaCl Solutions

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