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90 articles for “copper”
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Relevance and Utilization of Copper and Copper Alloys
Abstract: Copper is the oldest metal used by man. It is use dates back to prehistoric times. Copper has been mined for more than 10,000 years with a Copper pendant found in current day Iraq being dated to 8700 BC. By 5000BC Copper was being smelted from simple copper oxides. The combination of physical properties such as strength, conductivity, corrosion resistance, machinability and ductility make Copper suitable for a wide range …
Published in International Journal of Metallurgy and Alloys · Vol. 3, Issue 2, 2017 · pp. 11–16 Read article
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Comparative Study of Machining Parameters on Electrical Discharge Machining of Inconel 718 using Copper and Copper- Tungsten Electrode.
Abstract: The present scenario in all the manufacturing industries is to make a priority list to cope up the challenges imposed by the superior materials like alloys, ceramics and composite materials which have difficulty for machining. In this study, comparison of experimental results which is found by optimization of machining parameters on material removal and tool wear rate along with two different electrodes material such as copper and copper tungsten for …
Published in International Journal of Metallurgy and Alloys · Vol. 4, Issue 1, 2018 · pp. 1–8 Read article
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Green synthesis of copper nanoparticles using methanol extract of Passiflora foetida and its drug delivery applications
Abstract: The present study outlines a green synthetic approach on copper nanoparticles by mixing the copper salt solution with a methanol extract of leaves of Passiflora foetida. The plant extract play as a reducing agent for copper ions in copper solution into copper nanoparticles providing a safer process. The plant extract contains numerous secondary metabolites involving in the reduction of copper ions into forming nanoparticles. The spectroscopic analysis of green synthesized …
Published in International Journal of Green Chemistry · Vol. 3, Issue 2, 2017 · pp. 31–52 Read article
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Synthesis of mixed metal oxides CuO-SnO, composite nano material for the study ofefficiency of textile fabrics as UV-absorbers
Abstract: In the present study we report the synthesis and characterization of nanosized copper oxide,tin oxide and composite of copper and tin oxide and their application on cotton fabrics forUV shielding. The CuO-SnO nanocomposite material prepared under different temperature90 0 - 150 °C by using water and 1,2-ethanediol as a solvent. Copper oxide, tin oxide andcomposite of copper and tin oxide nanoparticles were then applied to cotton sample to impartsunscreen activity …
Published in International Journal of Composite and Constituent Materials · Vol. 11, Issue 2, 2025 · pp. 1–5 Read article
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A study to assess the knowledge about birth spacing and attitude towards using of copper-T among women age group 20 to 30 years in selected rural area Anekal, with a view to develop information booklet.”
Abstract: Introduction and Objectives: The time gap between one child's birth date and the next child's birth date is referred to as birth spacing. There are numerous factors to take into consideration while selecting the best period between pregnancies.Methodology: Descriptive survey approach was adopted, to collect the data. Structured knowledge questioner and attitude scale was administered to 100 women aged between 20-30 years based on purposive sampling technique at Anekal, Bangalore …
Published in International Journal of Obstetrics, Perinatal and Neonatal Nursing · Vol. 8, Issue 1, 2022 · pp. 18–21 Read article
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Corrosion Protection of Copper Metal by Nanocoating in Nitrogen dioxide Environment
Abstract: Nitrogen dioxide is an acidic gas. It absorbs moisture to produce nitric acid. It creates corrosive medium for copper metal. It forms corrosion cell on the surface of copper and accelerate corrosion reactions. The corrosion cell formation is written as: Cu|Cu2+||H+|H2 thus corrosion reactions start and copper is oxidized into Cu2+surface and it is oxidized into Cu2+ whereas H+ ion is reduced into H2. Nitric acid environment copper exhibits galvanic, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 1, 2022 · pp. 1–11 Read article
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Adverse Effects of Copper Extraction on the Environment and Living Things
Abstract: The extraction procedures are known as heap and situ leaching; throughout these procedures, particles react with one another to produce acidic mists that not only hurt people’s skin, eyes, and lungs but also ruin crops, degrade the quality of the land, and injure surrounding structures. It tastes awful and stinks like acid dust. The ore typically needs to be beneficiated as with all mining processes. The methods of processing are …
Published in International Journal of Metallurgy and Alloys · Vol. 8, Issue 1, 2022 · pp. 10–15 Read article
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Electrochemical Etching on Copper Surfaces to Achieve Superhydrophobicity
Abstract: In the present study, an attempt has been made to create superhydrophobicity on copper substrate by etching the surface at different parameters (current density and time). Etching time was varied from 30 to 240 minutes. Untreated copper surface exhibited contact angle of 91.4°. The best etched surface exhibited a maximum contact angle of 142.1° for a current density of 0.01A/cm2 and etching time of 60 minutes. The structure–property relationship of …
Published in International Journal of Manufacturing and Materials Processing · Vol. 5, Issue 1, 2019 · pp. 27–31 Read article
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Study the Structural behavior of Copper Nanoparticle using Polyol Method
Abstract: An easy methodology for the preparation of well-dispersed copper nanoparticles by polyol method, victimization 1-hexadecylamine as a protectant within the encompassing medium, has been developed. The size and form of the Nanoparticles are controlled by the polyol method and one in all the wide used ways to induce needed shape of Nanoparticles. Generally, PVP is uses as stabilizer for forming smaller size nanoparticles however extremely non-uniform, during this paper proposing …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 1, 2022 · pp. 27–32 Read article
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Process Optimization of Copper Phthalocyanine Pigment PB15:3: A Sustainable Solvent Reduction Strategy for Industrial Applications
Abstract: Copper phthalocyanine pigments, particularly PB15:3 (beta-phase), represent cornerstone materials in the global colorants industry with applications spanning automotive coatings, printing inks, and engineering plastics. Conventional synthesis routes for PB15:3 necessitate copious volumes of high-boiling organic solvents – predominantly dimethylaminoethanol (DMAE) and aromatic hydrocarbons – posing significant environmental burdens and economic constraints. This study presents a systematic investigation of solvent quantity optimization in the pigment finishing process of CI Pigment Blue …
Published in International Journal of Polymer Science and Engineering · Vol. 12, Issue 1, 2026 · pp. 21–40 Read article
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Studies on the Kinetics of Thermal Decomposition of Copper Oxalate Mixed With Silver Oxalate
Abstract: The coprecipitates, Ag2Cu(C2O4)nH2O of varying composition [Ag = (1 and 2)%], have been synthesized and were characterized by means of IR, XRD, and SEM. The decomposition of the prepared oxalates was monitored by differential scanning calorimetry (DSC) and thermogravimetry (TG). The DSC studies reveal that the decompositions of the mixed oxalates were all complex exothermic processes with resemblance to the exothermic reaction of copper oxalate and ranges from 540 to …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 2, Issue 1, 2016 · pp. 1–11 Read article
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A Mini Review on Copper Nanoparticles
Abstract: The synthesis of metal nanoparticles is more important than ever. Copper has been recognized as a nontoxic, safe inorganic material, cheaper antibacterial/antifungal agent, and has high potential in a wide range of biological, catalytic and sensors applications more particularly in the form of nanoparticles. This resulted in the development of numerous methods for the synthesis of copper nanoparticles. As conventional methods like chemical and physical methods have several limitations so …
Published in International Journal of Metallurgy and Alloys · Vol. 3, Issue 2, 2017 · pp. 4–7 Read article
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Green synthesis of Copper nanoparticles using Ctenolepis garcini (Burm.f.) C.B Clarke.
Abstract: Copper nanoparticles, due to the excellent physical and chemical properties and low cost of preparation, have been of great interest in wide applications as heat transfer systems, antimicrobial materials, super strong materials, sensors and catalysts. The present study is a novel biological approach for the formation of copper nanoparticles using Ctenolepis garcinii (Burm.f.) C.B Clarke. Copper nitrate was made to reduce with aqueous solution of plant extract. UV-Visible spectrum showed …
Published in International journal of Nanobiotechnology · Vol. 3, Issue 2, 2017 · pp. 1–6 Read article
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Sonochemical Synthesis of Copper Nanoparticles:Process Fundamentals, Scale-Up Challenges, andIndustrial Opportunities
Abstract: The sonochemical synthesis of copper nanoparticles (Cu NPs) has emerged as a powerful and widely investigated strategy in nanomaterials research, owing to the unique physicochemical conditions generated during ultrasonic irradiation. Acoustic cavitation induced by sonication produces transient microenvironments characterized by extremely high local temperatures, pressures, and rapid cooling rates, which collectively enable efficient reduction of copper precursors into nanoscale particles. These conditions cannot be easily achieved through conventional synthetic routes, …
Published in International Journal of Chemical Engineering and Processing · Vol. 12, Issue 2, 2026 · pp. 37–43 Read article
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SYNTHESIS AND IR-SPECTROSCOPIC STUDY OF MIXED LIGAND COMPLEX COMPOUNDS OF COPPER (II) FORMAT WITH SOME AMIDES
Abstract: Complex compounds of metals with amides, having biological activity are widely used in agriculture. Complex compounds of copper with organic ligands are physiologically active, participating in the vital processes of living organisms; the formiats have bactericidal and fungicidal properties. For the first time, mixed ligand complex compounds of copper (II) formate with formamide, thiocarbamide, acetamide and carbamide in an aqueous solution were synthesized. Using the methods of IR spectroscopy and …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 2, 2020 · pp. 31–38 Read article
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Investigation of strength of concrete by replacement of sand with copper slag and cement with sugarcane bagasse ash
Abstract: This investigational study conducted to observe the potential of Sugarcane Bagasse Ash as a cement replacing material which is similar to that of Portland Pozzolana Cement and Copper slag as a fine aggregate replacement material. Seven different concrete mixes with the Bagasse Ash replacement to the Portland Pozzolana cement and copper slag replacement are (5% + 40%, 10% + 15% , 10% + 25% , 10% + 35% , 10% …
Published in International Journal of Concrete Technology · Vol. 5, Issue 1, 2019 · pp. 25–38 Read article
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Study of the effect of Silicon oxide nanoparticles in the copper alloy
Abstract: The main objective of this paper is to study the effect of the Silicon oxide nano particles in the copper alloy which is manufactured by using the stir casting process and samples are prepared as per the ASTM standards. These specimens are tested under the mechanical tests. Due to blending of the nanoparticles the properties of copper alloy will be enhanced. so uniform ASTM samples with varying composition of nano …
Published in International Journal of Metallurgy and Alloys · Vol. 6, Issue 2, 2020 · pp. 24–31 Read article
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Facile Synthesis and Electrochemical Exploration ofHexagonal Copper Sulfide (CuS) Nanocrystals for Energy Applications
Abstract: Copper sulfide (CuS) is a promising material for a variety of applications, including solar cells, lithium-ion batteries, sensors, and catalysts. In this current study, a facile technique for the synthesis of CuS nanocrystallites at modrate temperature 160°) without the use of any template or additives was reported. The reaction was carried out in a pressure reactor for 24 hours. he crystalline nature of the synthesized CuS nanocrystallites was confirmed using …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 12, Issue 1, 2026 · pp. 1–8 Read article
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Facile Synthesis and Electrochemical Exploration ofHexagonal Copper Sulfide (CuS) Nanocrystals for EnergyApplications
Abstract: Copper sulfide (CuS) is a promising material for a variety of applications, including solar cells, lithium-ion batteries, sensors, and catalysts. In this current study, a facile technique for the synthesis of CuS nanocrystallites at modrate temperature 160°) without the use of any template or additives was reported. The reaction was carried out in a pressure reactor for 24 hours. he crystalline nature of the synthesized CuS nanocrystallites was confirmed using …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 12, Issue 1, 2026 · pp. 1–8 Read article
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Execution of Poly Coatings and Corrosion of Copper
Abstract: The erosion defensive poly(aniline-co-o-toluidine) (PAOT) coatings were integrated on copper (Cu) by the electrochemical copolymerization of aniline with o-toluidine under cyclic voltammetry conditions. Fluid oxalate arrangements were utilized as the supporting electrolytes for the amalgamation of PAOT coatings on Cu. The FTIR and 1H NMR spectroscopy examines uncover that the copolymerization of aniline and o-toluidine happens on Cu substrates from a fluid oxalate arrangements and bringing about PAOT copolymer, there …
Published in International Journal of Metallurgy and Alloys · Vol. 1, Issue 2, 2015 Read article