Surface characterisation, corrosion and mechanical properties of polyester-polyester/snail shell powder coatings of steel pipeline for naval applications

Suleiman, I. Y.; Aigbodion, V.S.; Obayi, CS; Mu’azu, K.

doi:10.1007/s00170-018-2908-7

Cited by 8 publications

(12 citation statements)

References 14 publications

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“…The mean values obtained were used to determine hardness values. About three readings were taken at different locations of the substrates, as described by Suleiman et al [8].…”

Section: Microhardness Measurementmentioning

confidence: 99%

“…The wear test depends on the type of resistance of the samples carried out. The wear rate was then calculated using equation 1 by [8].…”

Section: Wear Studiesmentioning

confidence: 99%

“…% GSA addition over that of the uncoated sample. The reduction could be attributed to GSA inclusion in the matrix of coating that acts as load-bearing constituents, fostering a better interfacial attraction within the composite [8]. Hence, the reinforcement of the GSA adhered to the coating and difficult to be removed, hence created good structure with a better wear rate [18].…”

Section: Wear Analysismentioning

confidence: 99%

“…Pipelines have been used because of their availability, fabrication, low cost, and good tensile strength besides various other desirable properties [7]. The most weakness of the steel pipeline is its susceptibility to corrosion, hardness, and wears degradation when exposed to harsh chemical environments of acids, transportation of oil and gas, and wears [8].…”

Section: Introductionmentioning

confidence: 99%

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Improved corrosion resistance, mechanical and wear behaviors of particulate composite coating of steel pipeline for marine environment

2020

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The use of agricultural wastes, which are cost-effective and environmental-friendly materials as composites coating, is growing fast in various engineering fields. This research investigates the possibility of improving corrosion resistance, mechanical, and wear behaviors of particulate composite coating of steel pipeline with zinc alloys reinforced with groundnut shell ash (GSA) for the marine environment. Different weight percentages of 5, 10, 15, 20, and 25 wt.% GSA of particle size 75 μm were used for the coatings. The groundnut shell ash was characterized by X-ray fluorescent (XRF). The morphology of the steel pipeline before and after coatings was studied using scanning electron microscope/Energy Dispersive Spectroscopy (SEM/EDS). The XRF results revealed that calcium oxides (CaO), silica (SiO2), alumina (Al2O3), and iron oxide (Fe2O3) being the major oxides present. The results showed that average coating thickness and hardness value were 45.50, 98.50, 99.67 μm, and 80.45, 108.60, 118.60 HBV for Zn-10ZnO/0, 20, and 25 wt. % GSA respectively. Their corresponding current corrosion (icorr) were 38.52, 10.56, and 2.98 mA/cm2. The morphologies revealed that reinforcement with GSA protected the surface of the system analyzed. The corrosion rate of the steel pipeline of 38.52 mA/cm2 values decreased to 10.56 mA/cm2 and 1.98 mA/cm2 for 0, 20, and 25 wt. % GSA with the protection efficiency of 72.59% and 81.25%, respectively. The wear rate improvement between 0-25 wt. % GSA was 49.75%. The work established Zn-10ZnO/GSA composite coating on steel pipeline can improve the corrosion resistance, hardness, and wear rate of the studied steel pipeline coated.

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“…The mean values obtained were used to determine hardness values. About three readings were taken at different locations of the substrates, as described by Suleiman et al [8].…”

Section: Microhardness Measurementmentioning

confidence: 99%

“…The wear test depends on the type of resistance of the samples carried out. The wear rate was then calculated using equation 1 by [8].…”

Section: Wear Studiesmentioning

confidence: 99%

Section: Wear Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Improved corrosion resistance, mechanical and wear behaviors of particulate composite coating of steel pipeline for marine environment

2020

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“…The corrosion behaviours of stainless steel and other metals in acidic environments has been studied by many researchers. Austenitic stainless steels have been used successfully in many applications in both acidic and marine environ-ments [5][6][7][8][9][10]. Stainless steels are widely known which have been applied in various industries and environments.…”

Section: Introductionmentioning

confidence: 99%

Characterization and corrosion behaviours of AISI 316 in hydrochloric environment at various concentrations

Yakubu¹,

Mohammed²,

Ogheneblorhie³

2020

Zaštita materijala

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Characterization and corrosion behaviours of austenitic stainless steel (AISI 316) types at various concentrations of hydrochloric acid solutions were investigated in relation to its pitting corrosion resistance. Both gravimetric-weight loss and potentiodynamic polarization were used for the investigations. The AISI 316 was characterized by X-ray fluorescent (XRF). The characterization of the coupon before and after the corrosion test in various concentrations was done using scanning electron microscopy (SEM). The temperature, acid concentration and time were varied in the range of 30-60°C at 10°C interval, 0.5-2M at 0.5M interval and 1 to 6 day at 1day interval, respectively. The XRF revealed some important elements in the AISI 316 such as (Cr, Ni, Mn, Si, C, S, P etc) which confirmed the materials to AISI 316. The weight loss results revealed that the corrosion rate decreased with increase in exposure time from day 1 to day 6. The corrosion rate of the AISI 316 increased with increase in temperature, severe to pits formation and growths with increase in concentration of acid from 0.5-2M. The corrosion rate of AISI 316 increases with increase in acid concentrations. The Tafel results also revealed that both anodic and cathodic sites were shifted with the lowest corrosion resistance occurring at 0.5M of HCl. The SEM of the coupons in the presence of acid revealed pits formation, growths and pitted AISI 316 surfaces. The results obtained from the weight loss, Tafel and characterization were also in good agreement.

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Unveiling the empirical models for estimating insulating properties of epoxy/CaCO3 derived from snail shell biocomposite

Sochima,

Aigbodion

2023

Int J Adv Manuf Technol

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Surface characterisation, corrosion and mechanical properties of polyester-polyester/snail shell powder coatings of steel pipeline for naval applications

Cited by 8 publications

References 14 publications

Improved corrosion resistance, mechanical and wear behaviors of particulate composite coating of steel pipeline for marine environment

Improved corrosion resistance, mechanical and wear behaviors of particulate composite coating of steel pipeline for marine environment

Characterization and corrosion behaviours of AISI 316 in hydrochloric environment at various concentrations

Unveiling the empirical models for estimating insulating properties of epoxy/CaCO3 derived from snail shell biocomposite

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