Corrosion Inhibition of Indigofera Tinctoria Leaf Extract on Mild Steel in 1M HCL Solution | Chapter 9 | Chemistry and Biochemistry: Research Progress Vol. 9

 

In the present work, the dissolution prevention of mild steel induced by Indigofera tinctoria Leaves (ITL) extract was analysed using different techniques such as weight loss, electrochemical impedance spectroscopy and potentiodynamic polarisation in 1M HCl solution at various contact periods and temperatures (303-333K). The result exhibits that Indigofera tinctoria Leaves acts as a mild steel inhibitor that performs well in 1M HCl solution. Inhibition efficiency of mild steel in 1M HCl increases as more inhibitor is added. The Highest percentage of inhibition efficiency was found to be 54.3% a 500 ppm concentration at a temperature of 303 K. Thermodynamic parameters Ea, Qads, Gads, H, and S suggest that the adsorption of Indigofera tinctoria leaves extract is exothermic, spontaneous, and a chemisorption process. The Langmuir adsorption isotherm governs the adsorption of Indigofera tinctoria leaves on a mild steel surface. Also, the electrochemical study exhibits that it acts as a cathodic inhibitor in a 1M HCl medium. Thin film formation on the surface of metal may also be confirmed by UV, FT-IR, and SEM studies.

 

 

Author(s) Details

M. Prema
PG and Research Department of Chemistry, Holy Cross College (Affiliated to Bharathidasan University), Tiruchirappalli–620002, Tamil Nadu, India.

 

S. Vidhya
PG and Research Department of Chemistry, Holy Cross College (Affiliated to Bharathidasan University), Tiruchirappalli–620002, Tamil Nadu, India.

 

A. Leema Rose
PG and Research Department of Chemistry, Holy Cross College (Affiliated to Bharathidasan University), Tiruchirappalli–620002, Tamil Nadu, India.

 

F. Janeeta Priya
PG and Research Department of Chemistry, Holy Cross College (Affiliated to Bharathidasan University), Tiruchirappalli–620002, Tamil Nadu, India.

 

J. Morris Princey
PG and Research Department of Chemistry, Holy Cross College (Affiliated to Bharathidasan University), Tiruchirappalli–620002, Tamil Nadu, India.

 

A. Arputharaj
St.Joseph's College Autonomous, Tiruchirappalli, India.

 

P. Aparna
PG and Research Department of Chemistry, Holy Cross College (Affiliated to Bharathidasan University), Tiruchirappalli–620002, Tamil Nadu, India.

 

T. R. Amsica
PG and Research Department of Chemistry, Holy Cross College (Affiliated to Bharathidasan University), Tiruchirappalli–620002, Tamil Nadu, India.

 

Please see the book here :- https://doi.org/10.9734/bpi/cbrp/v9/7235

Synthesis and Evaluation of Imidazolium Based Ionic liquIds as Corrosion Inhibitor for Mild Steel in Hydrochloric Acid Medium: Electrochemical, Thermodynamic and Theoretical Studies| Chapter 4 | Research Aspects in Chemical and Materials Sciences Vol. 3

 Iimidazolium based ionic fluids (ILs, for example, 3-hexadecyl-1-methyl-1H-imidazol-3-ium bromide [C16M1Im] [Br] and 3-hexadecyl-1,2-dimethyl-1H-imidazol-3-ium bromide [C16M2Im] [Br] were combined and assessed for erosion obstruction on gentle steel in 1M HCl arrangement by weight reduction and electrochemical strategies. The outcomes uncovered that the restraint proficiency, upgraded with an ascent in the centralization of inhibitor. Furthermore, [C16M2Im] [Br] showed more noteworthy inhibitory viability than [C16M1Im] [Br] because of the expansion of more alkyl substituents. As per a polarization examination, the used inhibitors display blended type conduct however basically make anodic inhibitory impacts. The Langmuir adsorption isotherm is trailed by the inhibitors adsorbed on the gentle steel surface. Nuclear power microscopy (AFM) and filtering electron microscopy (SEM) with EDAX examination were utilized to break down the surface geography. The improvement of the Fe-inhibitor complex on the outer layer of gentle steel has been checked by UV-apparent spectroscopy. Quantum substance boundaries determined for [C16M1Im] [Br] and [C16M2Im] [Br] support the outcomes acquired from trial techniques.

Author(s) Details:

N. Subasree,
Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur - 603203, India.

Renjith Sasimohanan Pillai,
Department of Chemistry, CHRIST (Deemed to be University), Bengaluru - 560029, India.

J. Arockia Selvi,
Department of Chemistry, CHRIST (Deemed to be University), Bengaluru - 560029, India.

Please see the link here: https://stm.bookpi.org/RACMS-V3/article/view/8232

Determining the Template-Based Synthesis of Silica (SiO2-r) Rods and Its Corrosion Protection Performance | Chapter 5 | Newest Updates in Physical Science Research Vol. 10

 The cationic surfactant (cetyltrimethylammonium bromide) was utilised as a cationic surfactant, and ferric chloride (FeCl3) was used as an oxidant / structure-directing agent to make silica (SiO2-r) rods. To provide greater corrosion protection on mild steel, the SiO2-r rods were integrated into the acrylic-based matrix. To examine the surface morphology and composition, tests such as particle size, scanning electron microscopy, transmission electron microscopy, and Fourier-transform infrared spectroscopy were carried out. properties. Electrochemical impedance spectroscopy in a 3 percent NaCl solution was used to investigate corrosion prevention and coating durability. The addition of SiO2-r rods increased the acrylic coating matrix's corrosion resistance, according to the findings.

Author(s) Details

Dr. T. Siva
Laboratory for Advanced Research in Polymeric Materials, CIPET, Bhubaneswar - 751024, India.

P. Jayanthi
Research and Development Center, Bharathiar University, Coimbatore, 641046, India.

P. Thirumurugan
Research and Development Center, Bharathiar University, Coimbatore, 641046, India.

Dr. S. Sathiyanarayanan
CSIR-Central Electrochemical Research Institute, Karaikudi-630006, India.

A. Ayeshamariam
Department of Physics, KhadirMohideen College, Adirampattinam, 614701, India.

Professor M. Jayachandran
Department of Physics, Sethu Institute of Technology, Pulloor, Kariyapatti, 626115, Tamilnadu, India.

View Book :- https://stm.bookpi.org/NUPSR-V10/article/view/2378

Effect of Boron Trioxide Enriched Fluxes on the Microstructure and Mechanical Properties in Submerged Arc Welded Mild Steel Plates | Chapter 7 | Advanced Aspects of Engineering Research Vol. 1

 Submerged arc welding is the industry's favoured method for welding thick parts because of its numerous advantages, including high output rates, decent weld efficiency, ease of automation, and low operator ability requirements. The effect of B2O3 additions in fluxes on the microstructure and mechanical properties of the weld metal produced during Submerged Arc Welding of Mild Steel Plates is investigated in this paper. A low carbon electrode was used with five fluxes containing around 2.5, 5, 7.5, 10, and 12.5 percent B2O3. For all of the conditions, the welding process parameters were kept constant. Weld metal for each flux had a microstructure that included acicular ferrite, polygonal ferrite, grain boundary ferrites, and equiaxed pearlite. Vicker's hardness value was found to be a function of boron content, with a mixed pattern. The increase in boron content in welds increased impact energy and tensile strength, which can be due to the higher acicular ferrite percentage. With 7.5 percent and 5% of B2O3, respectively, an optimal degree of toughness and tensile strength was achieved. Fresh flux was also compared qualitatively using full metallography and mechanical testing.

Author (s) Details

Pushpendra Gupta
Department of Mechanical Engineering, Indian Institute of Technology Kharagpur, India.

Joydeep Roy
Department of Mechanical Engineering, National Institute of Technology Agartala, India.

S. C. Saha
Department of Mechanical Engineering, National Institute of Technology Agartala, India (Retd.).

View Book :- https://stm.bookpi.org/AAER-V1/article/view/333

Application of Olea europaea Subsp. Cuspidata Wood Tar Oil as Anticorrosion for Mild Steel in Acidic Media | Chapter 10 | Current Perspectives on Chemical Sciences Vol. 5

 Corrosion, especially acidic corrosion caused by acidic solutions that are commonly used in acid washing, acid pickling and acid descaling, is one of the serious problems in industry. In the industrial sector, mild steel (MS) is commonly used and is prone to acidic solution corrosion. Corrosion processes in the manufacturing media are responsible for the degradation of metals. Different strategies exist to minimise metal surface corrosion or damage. Due to its low cost and ease of implementation and practise, the use of inhibitors is one of the most potent methods for corrosion protection. Inhibition of corrosion is preferred to stop metal dissolution and ingestion of acid, owing to its low cost and ease of use. In the current trend of corrosion inhibition research, the use of organic plants as corrosion inhibitors is at the forefront as the concern focuses on the protection of any industrial process in health and the environment. The need for novel corrosion inhibitor compounds has become more and more stringent in recent decades. Or from aromatic herb species or medicinal plants, natural organic inhibitors could be either synthesised or removed. In the present analysis, the bark performance of Olea europaea subsp. Electrochemical measurements [potentiodynamic polarisation (PDP) and electrochemical impedance spectroscopy (EIS)] were used to study Cuspidata as a corrosion inhibitor of mild steel in 1.0 M sulphuric acid. The findings have shown that Olea europaea subsp. Cuspidate wood tar oil serves as a potent inhibitor of corrosion and the inhibitor's output varied with mild steel concentrations of 1.0 M H2SO4 + 10% EtOH. The overall inhibition (percent) was 94.97 percent, with multiple methods used supporting the findings. According to electrochemical analysis, Olea europaea subsp. Cuspidata wood oil tar extract functions primarily as a cathodic inhibitor in mixed form. A scanning electron microscope (SEM) surface analysis was also performed to determine the corrosion inhibition properties of Olea europaea subsp. Cuspidata wood tar oil in solution of (1.0 M H2SO4 + 10 percent EtOH). The perks of Olea europaea subsp. Several are Cuspidata wood tar oil. The Langmuir isotherm was accompanied by adsorption of the wood tar extract on a mild steel surface.

Author(s) Details

Aisha M. Turkustani
Department of Chemistry Science, Faculty of Science, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia and Faculty of Science for Girl′s College, Jeddah University, Jeddah, Kingdom of Saudi Arabia.

Nehad M. Gumgumji
Faculty of Science for Girl′s College, Jeddah University, Jeddah, Kingdom of Saudi Arabia and Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia.

Abdulrahman S. Al Hajar

Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia.

View Book :-  https://bp.bookpi.org/index.php/bpi/catalog/book/354

Recent Advancement of Precision Large-Caliber Slot Cutting of Sheet Steel Using Single-Mode Fiber Laser Radiation

 We present the findings of an experimental and theoretical investigation into the properties and characteristics of large-caliber precision slot cutting of low-carbon steel sheets up to 10 mm thick by 1 kW single-mode fibre laser radiation. Slots with calibres from 20 to 60 (in some cases, up to 100) and widths up to around 60 microns have been obtained using periodic-pulsed single-mode laser radiation and oxygen as the cutting gas. The cutting speed (50-100 mm / min) was calculated and the precision cutting efficiency (about 3 percent) and laser radiation transport efficiency in waveguide mode (about 25 percent) were estimated. In the lasergas cutting method , it is possible to achieve 150-250 μm large slotted holes in metal sheets using laser cutting configurations based on few-mode ytterbium-doped fibres and disc lasers working on a 1.07 μm wavelength at a power of up to 5 kW and an efficiency of about 30 percent (which mainly differs from gas lasers). The parameters of the morphology and roughness of the cut surface were determined. Variations in the hardness and phase structure of steel were examined in the usual direction of the slot wall. A laser oxygen precision slot cutting qualitative model with deep channelling is proposed.

Author(s) Details

A. M. Soroka
Strazh-Laser Company, s. Besedy, Moscow Oblast, Russia.

V. P. Panchenko  Troitsk
Institute for Innovation and Fusion Research, ul. Pushkovykh 12, Troitsk, Moscow Oblast, Russia.

A. A. Vitshas
Strazh-Laser Company, s. Besedy, Moscow Oblast, Russia.

A. G. Zelentsov
Strazh-Laser Company, s. Besedy, Moscow Oblast, Russia.

K. S. Kravchuk
Technological Institute for Superhard and Novel Carbon Materials, ul. Tsentralnaya 7a, Troitsk, Moscow Oblast, Russia.

V. P. Menakhin
Strazh-Laser Company, s. Besedy, Moscow Oblast, Russia.

A. V. Yakson
Strazh-Laser Company, s. Besedy, Moscow Oblast, Russia.

View Book :- https://bp.bookpi.org/index.php/bpi/catalog/book/301

Critical Research on Enhancement of the Inhibitor Efficiency of 4-Phenyl-1,2-dithiol-3-thione on Corrosion of Mild Steel for 20% Sulphuric Acid | Chapter 7 | Current Research and Development in Chemistry Vol. 4

 Substituted 4-phenyl-1,2-dithiol-3-thione (PDTT), synthesised and tested as a mild steel corrosion inhibitor in the presence of oxygen by the technique of potentiodynamic polarisation and electrochemical impedance spectroscopy (EIS) in 20% H2SO4 at 25oC. Also at low concentrations, this organic compound prevents acidic corrosion. The results obtained indicate that this sulphur compound is and is in good agreement with good inhibitors. Polarization curves suggest that 4-phenyl-1,2-dithiol-3-thione is a cathodic inhibitor and has been studied to model the corrosion inhibition mechanism via an effective analogous circuit model in order to minimise the corrosion current obtained from electrochemical impedance spectroscopy measurement. 4-phenyl-1,2-dithiol-3-thione adsorption on the steel surface in a 20 percent H2SO4 solution complies with Langmuir's isotherm with a very high negative adsorption free energy value.

Author (s) Details

M. Dakmouche
Laboratoire de Valorisation et Promotion des Ressources Sahariennes, Université Kasdi Merbah de Ouargla, 30000 Ouargla, Algeria.

M. Saidi
Laboratoire de Valorisation et Promotion des Ressources Sahariennes, Université Kasdi Merbah de Ouargla, 30000 Ouargla, Algeria.

M. Hadjadj
Laboratoire de Valorisation et Promotion des Ressources Sahariennes, Université Kasdi Merbah de Ouargla, 30000 Ouargla, Algeria.

M. Yousfi
Laboratoire des Sciences Fondamentales, Université de Laghouat, 03000 Laghouat, Algeria.

Z. Rahmani
Laboratoire de Valorisation et Promotion des Ressources Sahariennes, Université Kasdi Merbah de Ouargla, 30000 Ouargla, Algeria.

View Book :- https://bp.bookpi.org/index.php/bpi/catalog/book/282

Natural Green Corrosion Inhibitors for Mild Steel- A Review | Chapter 4 | Recent Developments in Engineering Research Vol.1

Corrosion of mild steel in construction field poses safety, financial and environmental threat. It can be handled effectively using inhibitors. Despite having an advantage, the inorganic and synthetically produced inhibitors impart huge cost and toxicity. As a result of extensive research towards green technology quite significant numbers of green corrosion inhibitors from plants shows promising results at low cost and eco-friendly option. The constituents in plants acts in a similar way like its chemical counterpart and provide best inhibition efficiency. This paper provides an overview of types of corrosion, corrosion process, and mainly recent work done on the application of natural plant extracts as corrosion inhibitors for mild steel.

Author (s) Details

A. Annadurai
Department of Civil Engineering, Sathyabama Institute of Science and Technology (Deemed to be University), Jeppiaar Nagar, Chennai 600 119, Tamil Nadu, India.

View Book :- http://bp.bookpi.org/index.php/bpi/catalog/book/205