Assessment of Automotive Coatings Used on Different Metallic Substrates

Bensalah, W.; Loukil, N.; Wéry, M.; Ayedi, H.F.

doi:10.1155/2014/838054

Cited by 12 publications

(8 citation statements)

References 20 publications

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“…Furthermore, these automated processes have undergone improvements that ensure worker safety and increase the ratio of deposited paint-to-paint sprayed [12]. Nevertheless, automobile paint shops are still a major energy-consuming area and the most expensive operational aspect of an automobile assembly plant, consuming 30%-50% of the total costs of the manufacturing of automobiles [13]. These costs are wrapped into the energy used for air handling and conditioning (HVAC), as well as for paint drying and treatment of emissions generated by paint droplets that are not deposited on automobile surfaces; the painting booths must be purged to remove evaporated solvent, overspray paint particles, and regulated pollutants (like VOCs).…”

Section: Introductionmentioning

confidence: 99%

Evolution of the Automotive Body Coating Process—A Review

et al. 2016

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Automotive coatings and the processes used to coat automobile surfaces exemplify the avant-garde of technologies that are capable of producing durable surfaces, exceeding customers' expectations of appearance, maximizing efficiency, and meeting environmental regulations. These accomplishments are rooted in 100 years of experience, trial-and-error approaches, technique and technology advancements, and theoretical assessments. Because of advancements directed at understanding the how, why, when, and where of automobile coatings, the progress in controlling droplets and their deposition attributes, and the development of new technologies and paint chemistries, a comprehensive and up-to-date review of automobile coatings and coating technologies was considered to be of value to industrial practitioners and researchers. Overall, the critical performance factors driving the development and use of advanced automotive coatings and coating technologies are (a) aesthetic characteristics; (b) corrosion protection; (c) mass production; (d) cost and environmental requirements; and (e) appearance and durability. Although the relative importance of each of these factors is debatable, the perfection of any one at the expense of another would be unacceptable. Hence, new developments in automotive coatings are described and discussed in the following review, and then related to improvements in production technologies and paints. Modern automotive coating procedures are also discussed in detail. Finally, an extrapolation into the future of automotive coating is offered with a view of the developments and technologies needed for an increasingly efficient and more sustainable coatings industry.

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Section: Introductionmentioning

confidence: 99%

Evolution of the Automotive Body Coating Process—A Review

et al. 2016

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“…Where: W was the weight loss in milligrams of the coupon, ρ was 7.78, the density of the mild steel sample in g/cm 3 ; A was 160, the exposure area of the mild steel coupon in square centimeters; and T was 840, the exposure time of the coupon in hours. The evaluated CPR results were used to determine the percentage protection efficiencies (PP) of the steel coupon by each coating in accordance with the equation 4 [25].…”

Section: G Corrosion Testmentioning

confidence: 99%

“…Corrosion and wear of vehicle body parts are two of the most serious issues confronting the automotive industry [3,4]. Various types of corrosion, such as stress corrosion cracking, rusting, corrosion fatigue, and pitting, and their different combination levels, can deteriorate automobile chassis in synergism with wear and cause the vehicle to perform abnormally in service with excessive vibrations and noise, wobbling, motion instability, failure, poor aesthetic impression, etc.…”

Section: Introductionmentioning

confidence: 99%

Development of Bituminous Paint from Agbabu Natural Bitumen for Coat Coat-Protecting the Underparts of Automobile Chassis against Corrosion and Wear

Guma,

Istifanus

2023

UJEES

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To date, there has been continued demand for more effective, less expensive, and accessible coating systems for durable corrosion and wear protection of auto auto-bodies, with a research need to meet the demands. The rationale behind this study was to create a high high-quality, low low-cost bituminous paint for use in protecting the under parts of automobile chassis against corrosion and wear, particularly in Nigeria. Five paint blends containing various proportions of 70 –100% Agbabu natural bitumen, 02 02–5% kerosene, 0 0–8.5% cobalt, 0 0–1% pigment, and 0 0–2.1% lead drier were produced and characterized by their basic physicochemical properties. The blends were brush brush-coated to a 1.78 1.78-mm average thickness on plate samples of mild steel, a commonly and widely applied but highly corrosion corrosion-susceptible chassis material type. Corrosion and wear tests performed on the steel samples under 1.78 1.78-mm -thick hard hard-dried coatings of the paint blends revealed that the blend with 75% bitumen, 15% kerosene, 8% cobalt, 0.6% pigment, and 1.4% lead drier content could perform exceptionally well in protecting the steel a t the coating thickness. X X-ray fluorescence and scanning electron microscopy analyses of that paint blend were conducted to understand its distinct chemical compositions and microstructural homogeneity level. The 1.78 1.78-mm -thick coating of that paint blend’s adhesion adequacy to the steel was also investigated. Analyses of the collected data revealed that the blend contained 25 different chemical species that are benign to steel corrosion, had a more or less uniform microstructure demonstrating its homogeneity, had minimal intergranular boundaries indicating minimal ingress of corrosion corrosion-causing agents to the steel underneath its coatings, and its hard hard-dried thin coatings would have excellent adhesion to any ferrous chassis material..

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“…The parameters to judge the appearance quality are paint smoothness, color, and gloss. Bensalah et al [101] studied the performance of the different coating systems over metallic substrates. Researchers aim to characterize the mechanical, tribological, and corrosion behaviors of commercial coating primers and commercial topcoats that are applied on different substrates.…”

Section: Approach To Evaluate Automotive Paint Characterizationmentioning

confidence: 99%

Comprehensive Review of Nanoparticles Dispersion Technology for Automotive Surfaces

Abidin

Azmi

Zawawi

et al. 2022

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Many innovations arose from the continual and thorough monitoring of overlooked characteristics of materials found in the environment. Automotive paints are always constantly exposed to a broad range of ambient temperature conditions, which reduces their longevity and encourages algae development. Through the effective incorporation of nanotechnology with this lotus effect, it has become possible to provide self-cleaning ability along with air purification and antibacterial performance to automotive surfaces like paint and coating. The addition of nanoparticles such as Titanium dioxide (TiO2) and Silicon dioxide (SiO2) helps to improve functionalities like water or stain resistance, ultra-violet protection, and scratch resistance. When the nanoparticles were added into paint, they degraded the polluting compounds on the material's surface by photo catalysis. Multiple photocatalytic functions and self-cleaning properties were observed in nanoparticles added to polyester acrylic paint. Therefore, this paper discussed the history of automotive painting, nanopaint technology, previous research on the method preparation, development, and current progress, the environmental health aspects of nanotechnology, as well as the performance in terms of automotive surfaces. The study discovered the requirements for nanoparticle dispersion and coating uniformity and appearance on automotive surfaces, which will serve as a benchmark for dispersion and coating methods for automotive surfaces.

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Assessment of Automotive Coatings Used on Different Metallic Substrates

Cited by 12 publications

References 20 publications

Evolution of the Automotive Body Coating Process—A Review

Evolution of the Automotive Body Coating Process—A Review

Development of Bituminous Paint from Agbabu Natural Bitumen for Coat Coat-Protecting the Underparts of Automobile Chassis against Corrosion and Wear

Comprehensive Review of Nanoparticles Dispersion Technology for Automotive Surfaces

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