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An Eco-Friendly Quaternary Ammonium Salt as a Corrosion Inhibitor for Carbon Steel in 5 M HCl Solution: Theoretical and Experimental Investigation
Published 2022“…This study aims to investigate the performance of an environment-friendly Quaternium-22 (Q-22) surfactant which is widely used in cosmetics for C-steel corrosion inhibition in a 5 M HCl medium. Weight loss experiments were performed at different concentrations and immersion times, presenting a maximum efficiency at 2.22 mmol·L−1. …”
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Mechanical characteristics of ultra-high performance steel FRC made with recycled concrete aggregates
Published 2023“…However, the flowability was decreased by 12% to 15% with steel fibers. The results also revealed that at a steel fiber volume fraction of 0%, RCA had little influence on the compressive strength, while they noticeably influenced the flexural tensile strength. …”
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Simulation and experimental study of underwater dissimilar friction-stir welding between aluminium and steel
Published 2020“…473 and 573 K for the aluminum and steel sides, respectively) led to sub-stantial refining the grain structure and formation of a thinner IMC layer. …”
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Adaptive thermal comfort in the different buildings of Darjeeling Hills in eastern India – Effect of difference in elevation
Published 2018“…Thermal comfort standards are required to provide comfortable indoor condition which has a positive effect on the occupant. However, the Predicted Mean Vote – Percentage People Dissatisfied (PMV-PPD) model which is used to determine the indoor comfort in most of the international standards fails often, especially in naturally ventilated buildings. …”
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Mechanical and Electromagnetic Properties of Self-Compacted Geopolymer Concretes With Nano Silica and Steel Fiber Additives
Published 2022“…Finally, sample C7, which has 1% SF with a smaller diameter and 2% NS in reference to the mass of the binder, has the optimum NS and SF additives, producing maximum absorbance values.…”
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Performance and computational studies of two soluble pyran derivatives as corrosion inhibitors for mild steel in HCl
Published 2019“…The present study is aiming to explore the effect of 4-Hydroxy-6-methyl-3-(3-quinolin-8-yl-acryloyl)-pyran-2-one (HMQP) and 3-[3-(4-Dimethylamino-phenyl)-acryloyl]-4-hydroxy-6-methyl-pyran-2-one (DMPHP) on mild steel (MS) corrosion in acid solution (1 M HCl). …”
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Evaluation of the inhibition performance of piperazine-based polyurea towards mild steel corrosion: The role of keto-enol tautomerization
Published 2022“…The use of synthetic polyurea materials with a low dosage shall provide a promising approach to reduce mild steel corrosion in harsh environments.…”
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Electrochemical and thermodynamic study on the corrosion performance of API X120 steel in 3.5% NaCl solution
Published 2020“…The overall results revealed that PEI significantly decreases the corrosion rate of API X120 steel with inhibition efficiency of 94% at a concentration of 100 μmol L−1. …”
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Electrochemical Investigation of C-Steel Corrosion Inhibition, In Silico, and Sulfate-Reducing Bacteria Investigations Using Pyrazole Derivatives
Published 2023“…The compounds under investigation were adsorbed on a C-steel surface in 1 M HCl following the Langmuir isotherm model. …”
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Effect of temperature and erosion on pitting corrosion of X100 steel in aqueous silica slurries containing bicarbonate and chloride content
Published 2014“…A heating plate was used to change and maintain the temperature of electrolyte during electrochemical tests. …”
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Local supersaturation and the growth of protective scales during CO2 corrosion of steel: Effect of pH and solution flow
Published 2017“…By correlating in-situ synchrotron X-ray diffraction measurements with electrochemical measurements using a rotating disc electrode, we demonstrate the critical dependence on the local supersaturation of the kinetics of formation of a protective crystalline scale on the surface of carbon steel during CO2 corrosion in brine at elevated temperature. …”
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An efficient green ionic liquid for the corrosion inhibition of reinforcement steel in neutral and alkaline highly saline simulated concrete pore solutions
Published 2020“…The effect of the green ionic liquid compound, Quaternium-32 (Q-32), on the corrosion inhibition performance of reinforcement steel, in a simulated concrete pore solution, was investigated at different temperatures and pH values, using electrochemical impedance spectroscopy (EIS). …”
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Mechanical and physical behavior of newly developed functionally graded materials and composites of stainless steel 316L with calcium silicate and hydroxyapatite
Published 2015“…It has been found that the FGMs emerged a better compressive mechanical properties compared to both the composite systems. …”
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Green handover with a hybrid satisfaction mechanism
Published 2013“…On the other hand, a decrease in the energy consumption should not mean lower performance for the operator and customers. …”
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Biodegradable polysaccharide grafted polyacrylamide inhibitor for corrosion in CO2- saturated saline solution
Published 2023“…Lastly, potentiostatic testing of steel with AGGPAM at an applied potential of 50 mV illustrated surface protection and decreased current over a prolonged time. …”
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Influence of temperature on tire-pavement noise in hot climates: Qatar case
Published 2021“…There is an apparent trend of decreasing temperature coefficient with increasing mean texture depth of dense graded asphalt pavements. …”
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Influence of temperature on tire-pavement noise in hot climates: Qatar case
Published 2021“…There is an apparent trend of decreasing temperature coefficient with increasing mean texture depth of dense graded asphalt pavements. …”
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Theoretical and experimental insights into the C-steel aqueous corrosion inhibition at elevated temperatures in 1.0M HCl via multi-carbonyl Gemini cationic surfactants
Published 2023“…We aimed to evaluate these surfactants as potential corrosion inhibitors for carbon steel (CS) in 1M HCl at temperatures of 25-55 ± 0.1°C. …”
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Effects of a single dose of ivermectin on viral and clinical outcomes in asymptomatic sars-cov-2 infected subjects: A pilot clinical trial in lebanon
Published 2021“…Methods: A randomized controlled trial was conducted in 100 asymptomatic Lebanese subjects that have tested positive for SARS-CoV2. …”
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