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1614 articles for “characterization”
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Enhancing Concrete Performance With GGBFS: An Analysis of Strength Characteristics at Various Replacement Levels
Abstract: This study investigates the effect of ground-granulated blast furnace slag (GGBFS) as a partial replacement for cement on the mechanical properties of concrete. The primary objective was to assess the compressive, flexural, and split tensile strengths, along with the modulus of elasticity, at different replacement levels of cement with GGBFS and at distinct curing ages of 7, 28, and 56 days. Concrete mixes were prepared by replacing cement with GGBFS …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 121–138 Read article
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Evaluating the Performance, Emissions, and Combustion Characteristics of CRDI Diesel Engines Using Pine Oil Blends as a Sustainable Fuel Alternative
Abstract: The performance of Common Rail Direct Injectors (CRDI) diesel engines is examined in this study in relation to interacts of pine oil used as an alternative fuel. Finding sustainable fuel solutions is of paramount importance given the growing environmental concerns and the decreasing supply of fossil fuel resources. Pine oil, obtained from resin tapped from pine trunks and processed through steam distillation to separate turpentine from rosin, offers a viable …
Published in International Journal of Machine Systems and Manufacturing Technology · Vol. 3, Issue 1, 2025 · pp. 24–33 Read article
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Synthesis and Characterization of Sustainable, Low-Cost, Biomass-Derived Carbon Films from Hevea Brasiliensis (Rubber) Wood for Environmentally Friendly Gas Sensors with Enhanced Selectivity and Sensitivity to Polar Vapors and Hazardous Gases
Abstract: Hevea brasiliensis (rubber) wood sawdust was utilized to fabricate carbon gas sensors for detecting 1000 ppm of ethanol, methanol, acetone, carbon dioxide, and ammonia gases. The carbon particles were prepared by phosphoric acid impregnation followed by thermal activation and then fabricated into films on conductive and non-conductive substrates using the doctor blade method. X-ray diffraction (XRD) analysis revealed distinct graphitic features with peaks at the (002) and (100) planes, indicating …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 12, Issue 1, 2025 · pp. 22–36 Read article
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Study of Ablation Characteristics Carbon Fiber Reinforced Plastic with Silicon Carbide Pores
Abstract: Significant thermal stress is placed on spacecraft during atmospheric re-entry, primarily due to aerodynamic heating. This intense heat can cause severe material damage threatening the spacecraft's structural integrity. To address this challenge, efforts are focused on improving the ablation resistence of spacecraft components. In this work, carbon fiber reinforced plastic (CFRP) composites containing silicon carbide (SiC) holes are explored as a potential solution for enhancing thermal protection system. Four different …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 617–627 Read article
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Synthesis, Spectral Characterization and Computational Studies of Hydrazine Derivative
Abstract: (E)-1-(2,3-dimethoxy benzylidene)hydrazine (2,3-DMBH) is synthesized by condensation reaction. FT-IR, ¹H NMR, ¹³C NMR spectra were recorded for this compound. The synthesized compounds were evaluated as potential drug candidates through ADME analysis and Lipinski’s rule verification. Molecular docking studies against six proteins using AUTO DOCK software showed promising results. Among them, 2,3-DMBH exhibited strong binding affinities, particularly with 3ERT (-5.44 kcal/mol), followed by 5F90, 7E9B, and 3EWD. These findings suggest that …
Published in Emerging Trends in Chemical Engineering · Vol. 12, Issue 2, 2025 · pp. 1–17 Read article
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Combustion Characteristics of Waterlily (Nymphaea lotus Linn.) Briquettes
Abstract: The effect of binder types (bananas, yams, and cassava) and binders proportion on thermal properties of waterlily (Nymphaea lotus Linn.) briquettes were investigated. Peels from bananas, yams, and cassava were collected from agro processing cottage industry. The peels were washed, sun-dried, and ground using a disk mill and Tyler sieves to a particle sizes of 0.50 mm. The waterlily plants were collected from the river using a drag net, sun-dried, …
Published in Journal of Petroleum Engineering & Technology · Vol. 15, Issue 2, 2025 · pp. 12–21 Read article
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Synthesis, Characterization, Biological evaluation, and in silico study of aniline derivatives
Abstract: In many hospitals worldwide, bacterial infections brought on by resistant strains are wreaking havoc, particularly in patients who are already impaired by age, disease, and other conditions. Due to the bacterial resistance, it is required to search for newer antibacterial drugs or molecules. In the current study, we aimed to develop aniline derivatives, followed by their anti-bacterial and in silico studies. Out of all the synthesized derivatives, compound 4d was …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 16, Issue 2, 2025 · pp. 25–32 Read article
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Tribological Characteristics of Dental Crowns
Abstract: Dental tribology is an emerging field that focuses on improving the design and material choices for artificial dental systems. This paper looks at different dental crown materials, their clinical efficacy and the consequences of tribological wear on teeth due to interfacial movement. Ceramics are commonly utilized in fixed dental restorations because of their superior mechanical and cosmetic qualities, which include exceptional fracture resistance and clinical endurance. Ceramic crowns, often used …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 550–559 Read article
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Development of Eco-friendly Glass Fiber Composites Embedded with Paddy Stubble for Sustainable Applications and Its Metallurgical Characterization
Abstract: The extreme rise in environmental challenges owing to agricultural activities, among which paddy stubble burning remains a huge concern. Burning about 15 million tons of paddy stubble leads to emissions discharge of various toxic pollutants and gases notably, nitrogen oxides, methane and carbon monoxide in large scale causing global air pollution and climate change. The study focuses on obtaining and preparing a paddy stubble powder and using it with glass …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 640–648 Read article
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Experimental Investigation on Mechanical Characterization of Electrodeposited Shot Peened Copper Coated and Un-Coated Mild Steel
Abstract: The fatigue strength of fabricated copper coating on mild steel specimens under repeated loading and the overall number of cycles to failure has been investigated. The specimens of copper coating on mild steel substrate are fabricated by using an electro deposition shot peening method. The hardness behaviour of fabricated specimens studied and the experimental work has been carried out by using Vickers Micro Hardness under the load of 20N force. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 279–288 Read article
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Preparation, Spectral Characterization and Bio-Evaluation of Five and Seven Membered Ring Derivatives
Abstract: Many cyclic compounds are made of heterogeneous atoms that are good electron donors to be the basic nucleus in the basic structure of chemical drugs, so most drugs and vitamins take cyclic compounds as a basic material for the manufacture of drugs, and without a doubt these drugs are distinguished by their high ability to make many biologically active derivatives in the fields of biochemistry and clinical medicine. Universal studies …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 2, 2025 · pp. 96–109 Read article
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Synthesis and characterization of mixed SnO2-ZnO Nano composites material to study the kinetics of catalytic reduction of Aromatic Nitro compounds
Abstract: A straightforward and cost-effective method was employed to synthesize zinc oxide (ZnO) nanostructures supported on tin oxide (SnO₂) for catalytic applications. This hybrid nanocomposite, formed by integrating ZnO with SnO₂, exhibited impressive catalytic activity in the reduction of various nitro compounds. The synergistic interaction between ZnO and SnO₂ significantly enhanced the surface area and active sites of the catalyst, thereby improving its overall efficiency. The resulting SnO₂-ZnO nanocomposite not only …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 15, Issue 3, 2025 · pp. 8–14 Read article
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Polymer Matrix-Based High-Performance Thermoplastic Composites for Automotive Applications: Design, Characterization, and Interface Behavior
Abstract: The study emphasizes the role of high-performance thermoplastic polymer matrices such as PEEK, PPS, and PA6, selected for their superior thermal stability, mechanical strength, and recyclability in automotive environments. The expanded usage of electric vehicles (EVs) and self-driving transportation creates a demand for advanced materials which are weight-conscious yet high in strength relative to their weight, impact-resistant yet still being environmentally friendly. This study aims to create and define fiber-reinforced …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 216–237 Read article
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Exploring the Mechanical Characterization and Microstructural Properties of the Varying Weight % of Nano Boron Carbide (nB4C) Reinforced Al2024 composites using the Vacuum-Assisted Stir Casting Method
Abstract: In this investigation the stir casting technique is utilized to fabricate Al2024-B4C nano composites. The nanoB4C particles used in the reinforcement material have a particle size of 50 nm and variable weight percentages. In Al2024 composites, boron carbide reinforcement is included at weight percentages ranging from 0% to 3%, with a 1% interval between each percentage addition. Following the casting process, the samples were prepared for microstructural and mechanical evaluation …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 394–404 Read article
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Synthesis, Characterization, Antibacterial Evaluation and Study of Organic Separation Behavior for Five Membered Ring for Pyridine Derivatives
Abstract: Imidazoles can be prepared by condensation between amines and various aldehydes and ketones. Imidazole derivatives are important compounds due to their broad biological activity and pharmacological properties, such as antifungal, antioxidant, cytotoxic, anti-inflammatory, analgesic, anti-YFV (yellow fever virus), anti-tuberculosis, and antimicrobial activity. In recent years, many studies have been conducted on the preparation of biological imidazole derivatives, especially derivatives linked to heterogeneous rings containing nitrogen or any other donor atom. …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 16, Issue 3, 2025 · pp. 106–121 Read article
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Molecular Characterization Phylogenetic Analysis from E.coli Isolated from Human and Cows Raw Milk
Abstract: E. coli is a significant pathogen that contributes to the genesis of both human and animal diseases. 20 different E. coli isolates were found in milk, stool, and utensil samples. Depending on whether each E. coli strain has the gene, the chuA, and the DNA segment TspE4.C2 has joined. the intestinal groups A and B1 as well as the extraintestinal groups B2 and D. The findings of the PCR-based analysis …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 15, Issue 3, 2025 · pp. 1–8 Read article
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Effect of Process Variables on the Mechanical Characteristics of form Fabricated Materials
Abstract: Additive manufacturing prominent rapidly advancing technologies for producing 3D-printed products. Initially developed by stratasys, FDM technology emerged during the 1980s. This additive manufacturing technique builds products by extruding semi-molten material through a nozzle onto a platform. PLA and ABS are among numerous thermoplastics that are commonly used as filaments in this procedure. Purpose of research was to observe the effect of variables such as infill percentage, bed temperature, printing speed …
Published in International Journal of Machine Systems and Manufacturing Technology · Vol. 3, Issue 2, 2025 · pp. 32–39 Read article
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Experimental Analysis of Mechanical Characteristics of Aluminium Matrix Hybrid Composite Using Seashell Powder And Coconut Shell Powder
Abstract: The purpose of this study is to investigate the manufacturing processes and mechanical properties of composites made of marine shell powder, coconut shell powder, and aluminium. In our project, the MMC was made of aluminium with seashell powder and aluminium with coconut shell powder. A stir casting process fabricated the Composite. The composition of aluminium, seashell powder and coconut shell powder varies. According to the criteria established by the American …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 487–494 Read article
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Development and Characterization of Bottom Ash–Fly Ash–GGBS-Based Geopolymer Composites for Sustainable Applications
Abstract: The growing demand for sustainable construction materials has spotlighted geopolymer concrete (GPC) as an environmentally viable substitute for conventional cement-based systems. This study presents an innovative dual-waste valorization approach, integrating pulverized bottom ash (BA) and ground granulated blast furnace slag (GGBS) as binders while replacing sodium silicate (Na₂SiO₃) in the alkaline activator with treated textile effluent. Unlike prior works that focus solely on solid waste incorporation, this research pioneers the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 32–42 Read article
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Characterization and Antimicrobial Investigations of Isomeric Pr(III) Juglonates
Abstract: Hydroxy napthoquinone derivatives constitute an interesting group of ligands which is recognized as ‘Juglones’. Isomeric Lawsone-Juglone and Phthiocol-Plumbagin are the most important members of the Juglone series and are biologically active, having natural origin. They form isomeric pairs of ligands resulting into isomeric pairs of metal chelates. The isomerism is occurring due to formation of either five or six membered rings in the metal chelates. In the present work Prasodymium …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 545–552 Read article