The ubiquitous role of green corrosion inhibitors and their adsorption nature unveils deeper insight into forming inhibitor-metal binding complexes. This work studied mild steel's mitigation behaviors under HCl 1 M solution with the newly waste rice husks inhibitor at 298 K temperature. liquid smoke (LS) is synthesized prepared from help Pyrometallurgy process. anti-corrosion performance was evaluated using Electrochemical Impedance Spectroscopy (EIS), Raman Spectroscopy, Scanning Electronic...

The main objective of the work is to substitute SeaNine 211 in self-polishing antifouling (SPA) paint formulations for marine coating using cerium oxide as a co-biocide. development SPA with co-biocide expected significantly improve environmental friendliness and efficacy paints. preparation modified was undertaken by incorporating various concentrations (0.1, 0.3, 0.5 wt.%) formulation without 211. copper dissolution rate determines paint, where greater release rate, paint. leached-out test...

Indonesia, as a tropical country with high humidity, faces corrosion challenges in the underground infrastructure of oil and gas industry, causing significant economic losses. This study analyzed effect soil characteristics on rate carbon steel using weight loss linear polarization methods. The method was used to determine based mass reduction sample, while evaluated kinetics through icorr resistance values. results showed that characteristics, especially moisture resistivity, had rate....

This work covers the effectiveness of White tea extract as a green corrosion inhibitor and is correlated to strength stability bonding between phenolic molecule Fe atoms in mild steel how this interaction can be studied by altering concentration temperature. has received considerable attention due its capability been extensively using electrochemical techniques. However, accurate systematic functional group identification surface modification have missing. Our study sought demonstrate...

This work reports the anti-corrosion behavior of liquid smoke from rice husk ash to unveil contribution its active compounds in 1 M HCl solution. In this study, developed methodology test, analyze, and model novel type green corrosion inhibitor for C1018 was characterized using Electrochemical impedance spectroscopy (EIS), Potentiodynamic polarization, deep learning methods. The structure by Fourier transform infrared analysis (FTIR) Ultraviolet–visible (UV-Vis). surface characterization...

Ferronickel slag is a by-product of nickel smelting that provides an abundant silica source. Based on data, every ton production equal to eight tons ferronickel production, increasing without any recycling process. It essential create end-to-end process for and its by-products because this would be problem in the future relevant many industrialized countries. This study describes strategy produce silica. A pyrometallurgy–hydrometallurgy were used increase content. The was conducted through...

Abstract The work reports the systematic approach to study of artificial intelligence (AI) in addressing complexity inline inspection (ILI) data management forecast risk natural gas pipelines. A recent conventional standard may not be sufficient address variation corrosion defects and inherent human subjectivity. Such methodology undermines accuracy assessment confidence is ineffective reducing costs. In this work, a combination unsupervised supervised machine learning deep has profoundly...

This study aimed to report the extraction of micro-fibrillated cellulose (MFC) from rice husk (RH) through a series processes including alkalization, bleaching, chemical hydrolysis, and mechanical treatment. The structure, morphology, crystallinity were assessed using Fourier Transform Infrared spectroscopy (FTIR), Scanning Electron Microscope (SEM), X-ray diffraction (XRD). results showed that alkalization was more effective in removing unwanted substances such as silica, hemicellulose,...

The alternative Ti-6Al-7Nb alloy has gained extensive progression due to its ability eliminate the cytotoxicity of vanadium (V) in Ti-6Al-4V for orthopedic implants. production titanium alloys by centrifugal casting shows significant potential reduce costs. Heat treatment and aging can tailor microstructure improve corrosion resistance alloys. This study examines effects various ageing times on a cast that previously been heated treated at temperature 1050 °C, subsequently cooled room argon...

One of the industries that play a role in supporting development country is oil and gas industry. In addition, this industry has an influence on country’s economy, so it must be operated as efficiently possible not to produce substantial costs have significant impact economy. The equipped with good equipment plays important success production process. most for continuity pipe. Generally, pipe made mild steel material commonly used pipes API 5L. Corrosion one challenges found This due...

The research proposes a new model for evaluating offshore pipelines due to corrosion. existing inspection method has an inherent limitation in reusing the primary root cause analysis data forecast potential loss and corrosion mitigation, particularly scope of utilization. study implements Artificial Intelligence transfer knowledge failure as consideration conducting lowering risk failure. This work combines experimental modelling methodologies assert actual feasible method. elemental...

The work provides the more comprehensive development of Liquid Smoke from Rice Husks Ash (RHA). Notably, study focuses on interaction between primary molecules inhibitor and mild steel, including thermodynamic calculation surface treatment upon addition inhibitor. electrochemical impedance spectroscopy (EIS) potentiodynamic polarization (PP) characterization were utilized to evaluate anticorrosion RHA. Raman Spectroscopy pre post-addition RHA’s used compare adsorbed functional group...

Abstract Fatigue failure of turbine blades originating from pitting corrosion is a critical issue for power plant. Herein, we study the resistance cast CA6NM as blade material in simulated geothermal environment with and without CO 2 gas by using cyclic polarization measurement. Three different molybdenum nitrogen content were used experiments: (i) 1 wt.% addition nitrogen, (ii) (iii) 0.1 wt.%. The measurement reveals most to artificial brine gas.

As well reserved depleted and limited, it is necessary to lower the capital expenditure so that lifting SZ reservoir be more profitable. This article first contextualizes effort done increase hydrocarbon in a mature field. Despite importance sustain production, massive studies quantify associate risk, no structured methodology proposed manage risk respect optimize production by selection of carbon steel as alternative for corrosion resistance material piping. Hence, this framework support...

Heavy metals are pollutants that harmful to living things and the environment can be degraded by microbes or understood other so they cause health problems. One of heavy is often found in wastewater lead. Lead widely used manufacture batteries, metal products such as ammunition, cable coatings, Polyvinyl Chloride (PVC) tubing, solder, chemicals dyes This use causes humans exposed large amounts method deal with lead pollution photocatalysts. Photocatalysts react reduce them level toxicity...

Thermal spray is one of the most common coating technologies used in oil and gas industries. This research applied two thermal methods, namely High Velocity Oxygen Fuel for Molybdenum Electric Arc Spray Aluminum to compare formed by different methods on stainless steel 316L substrates. The thickness Mo ranges from 15-20μm, whereas Al has a 90-100μm. Coating characterization was assessed using several testing i.e. Positive Material Identification (PMI) identify composition, metallographic...

The effect of saccharin on the reduction crystallite size and nickel electroplating properties was investigated. There are some techniques to obtain nanocrystalline coating reduce in electrodeposition such as current density, mode electrodeposition, organic additive, one which is saccharin. This charges 0, 0.5, 1.0, 5.0, 10 g/l saccharin, air agitation, density 6 A/dm2, with electrolyte solution generally used industry Watts solution. plating examined by X-Ray Diffraction, thickness meter,...

This study investigates the effect of saccharin addition on nickel deposits. Coating substrates with is carried out through electroplating. method involves Watts bath, 0, 1, 3, and 5 g/L saccharin, a current density 6 A/dm2. The electroplating process lasts for 20 minutes at 50ºC. plated substrate Steel Plate Cold Rolled Coil (SPCC). deposits attached to SPCC surface characterized by Scanning Electron Microscope (SEM) observe structural changes an X-Ray Diffraction (XRD) calculate their...

The aim of this work was to investigate the effect sodium citrate as an additive on grain size nickel electroplating SPCC steel. For purpose, were deposited by direct current electrodeposition from a Watts bath at density 6 A/dm2 with adding different amount (5, 15, 30, 45, 60 g/L). X-ray diffraction (XRD) used determine average gain coatings. Effect hardness, corrosion resistance, and adhesive strength also investigated Vickers Hardness, salt spray test, bending test. smallest obtained 36.8...

Abstract Anti-fouling paint is commonly applied as a protective coating on steel structures in the marine environment; one of anti-fouling materials silyl acrylate copolymer which can hydrolyse with seawater and form leaching layers to release biocide pigments. This study evaluates three-layer comprised epoxy primer, polyurethane, carbon plates through polarization measurements salt spray test. Linear are carried out an unscribed specimen potential range -1.0 1.0 Volts. The test conducted...

The critical role of newly green corrosion inhibitors shows the disruption cathodic and anodic reactions at metals solution interface. object this study is development Saga as a inhibitor to mitigate effect corrosive HCl 1M оn mild steel. was extracted using methanol prepare various concentrations. Fourier transform infrared (FTIR) spectroscopy used determine functional group inhibitor. electrochemical impedance aided by potentiodynamic polarization utilized evaluate inhibitor’s...

Corrosion in API 5L steel under 1M HCl is a common issue; hence, creating more effective and naturally-based inhibitor critical. In this research, Syzygium Cumini leaf extract (SCLE) was used as new green corrosion acidic conditions. The inhibition properties of the novel cumini were thoroughly characterized using potentiodynamic polarization (PDP), electrochemical impedance spectroscopy (EIS), Fourier-transform infrared (FTIR), atomic force microscope (AFM). results show that has excellent...

Indonesian government policy to convert energy consumption for domestic household from kerosene liquefied petroleum gas (LPG) may lead the increasing demand LPG storage tank. tank with a large capacity generally used HSLA steel material of ASTM A516 Grade 70 joined by SMAW or combination between and SAW method. The heat input can affect microstructure mechanical properties weld area. is proportional welding current arc voltage, but inversely its speed. result shows that SMAW-SAW process...