All articles
544 articles
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First Ever Experimental Evidence of Nanoyeast Fermenting Glucose
Abstract: In one of the earliest attempts, nanoyeast (Saccharomyces cerevisiae) particles were supported on an exotic and novel support[CD1] , namely, silica gel. The presence of nanoparticles of yeast with size as small as 161 nm was reported. Nanoyeast buds of very small size namely 41 nm were also observed in the HR SEM. Analogous to the nanoparticles in the chemical world, size reduction of microorganisms with commercial relevance like, yeast, …
Published in International Journal of Energetic Materials · Vol. 10, Issue 2, 2024 · pp. 1–6 Read article
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Transforming Waste Plastics Through Pyrolysis: A Sustainable Solution for Polymer Resource Recovery
Abstract: The global accumulation of plastic waste, particularly polymers like polyethylene (PE), presents amajor environmental challenge, demanding innovative solutions for effective management. This studyfocuses on the chemical process of pyrolysis as a promising approach for polymer resource recoveryand environmental sustainability. Pyrolysis involves the thermal decomposition of plastic waste intovaluable products, such as liquid fuels, gases, and solid residues. Key parameters, such as temperature,heating rate, and residence time were optimized to enhance …
Published in International Journal of Polymer Science and Engineering · Vol. 10, Issue 2, 2024 · pp. 12–19 Read article
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Overview of the Effect of Momentum on the Characteristics of Atomic Structure of Group 3 Elements
Abstract: This investigation provides an overview of the influence of momentum on the atomic structure characteristics of group 3 elements in the periodic table. Group 3 elements, including scandium, yttrium, and lanthanum, exhibit distinct properties that are influenced by the momentum of electrons within their atomic structure. Momentum affects electron distribution across energy levels, impacting atomic stability, reactivity, and bonding behaviors. Additionally, it plays a crucial role in determining magnetic properties …
Published in International Journal of Polymer Science and Engineering · Vol. 10, Issue 2, 2024 · pp. 20–40 Read article
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Improving Prestressed Concrete Box Girders Using Polymer Composites: Experimental Findings and Analysis
Abstract: Prestressed concrete box girder bridges exhibit complex structural behavior due to various loading scenarios. Extensive studies, both experimental and numerical, have helped advance their use in engineering. The spatial stress in prestressed concrete box girder bridges, especially during construction and service phases, has been analyzed using shell cells, which provide more accurate tensile stress data than beam cells. The deck with the numerous hat section was evaluated in the current …
Published in International Journal of Polymer Science and Engineering · Vol. 10, Issue 2, 2024 · pp. 6–11 Read article
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Walnut Shells’ Potential Use as Biofillers in Natural Rubber Composites
Abstract: The study assessed the potential of walnut shells as a filler in natural rubber composites. Walnut shells were finely ground, sieved through a 75 μm mesh, and incorporated into natural rubber at different filler loadings: unfilled, 20 parts per hundred rubber (phr), 30 phr, 40 phr, and 50 phr. The physicochemical properties of the walnut shell powder were analyzed, yielding results of 5.30 for pH, 10.10% for moisture content, 2.50% …
Published in International Journal of Polymer Science and Engineering · Vol. 10, Issue 2, 2024 · pp. 1–5 Read article
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Three Dimensional (3D) Structure and Morphology ofCarbon Fibers from X-Ray Microscopy (XRM) Analysis†
Abstract: X-ray microscopy is an elegant chemical imaging technique that bridges the gap between lightmicroscopy and electron microscopy. Vital information on the chemical state (valency, surfacefunctionality), chemical composition, three-dimensional (3D) chemical structure (order, disorder,rupture), and chemical imaging can be obtained from X-ray microscopy. In the current originalresearch article, X-ray microscopy is used as a characterization tool to examine the microstructuralfeatures of commercial carbon fibers. Pitch-based (NX100) and polyacrylonitrile (PAN)-based(T700SC) CFs chosen …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 2, 2024 · pp. 23–32 Read article
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One-Step Fabrication of Superomniphobic Pvdf-HFPSiO2Membrane for Long-Term CO2 Absorption inMembrane Gas Absorption System
Abstract: Membrane pore wetting is one of the major challenges for membrane gas absorption, especially when low surface tension liquid absorbents such as amine absorbents are utilized. To minimize diffusion resistance across the membrane, maintaining a non-wetted operating mode in membrane gas absorption is crucial. In this study, a superomniphobic polyvinylidene fluoride-cohexafluoropropylene membrane was fabricated by adding silica nanoparticles (SiO2) in an ethanol coagulation bath through non-solvent-induced phase separation. The surface …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 2, 2024 · pp. 35–44 Read article
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Mechanical Behavior of Calotropis Gigantea FruitBunch Fiber-Epoxy Composites
Abstract: Global warming solutions in the modern era are centered on substituting environmentally friendly biodegradable materials for fossil fuels to slow down the rate at which they are being depleted. The study literature supports the use of substitute materials for plastics in the creation of composite materials, and this work envisions the use of Calotropis gigantea fruit bunch fiber as one such substitute material. Since Calotropis gigantea fruit bunch fiber is …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 2, 2024 · pp. 45–58 Read article
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Single-Electron System of the Group 2 Elements:A Comparative Investigation
Abstract: This study presents a comparative investigation of the single-electron systems in group 2 elements, withthe primary objective of understanding the underlying trends in ionization energy, chemical reactivity,spectral lines, and radial probability distributions. The purpose of this research is to elucidate howthese properties evolve as one moves down the group, from beryllium (Be) to radium (Ra), and toexplore the implications for theoretical models and practical applications. One of the key problemsaddressed …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 2, 2024 · pp. 1–17 Read article
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Design and Analysis of Metal-Organic Frameworks for Gas Adsorption and Storage
Abstract: Metal-Organic Frameworks (MOFs) represent a class of highly porous materials formed by the coordination of metal ions with organic linkers, exhibiting exceptional potential for gas storage applications due to their high surface area, tunable pore sizes, and structural versatility. The synthesis and characterization of MOFs intended for the effective storage of gases like carbon dioxide, methane, and hydrogen are the main topics of this work. Solvothermal Hectic strategies, including solvothermal, …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 1, 2024 · pp. 25–30 Read article
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Structural Behavior and Fire Resistance of Shallow Steel-Concrete Composite Decks
Abstract: This study investigates the structural behavior and fire resistance of Shallow Steel-Beam-Concrete Composite (SSCC) decks, focusing on the influence of various Steel-Concrete (SC) bonding techniques. SSCC decks combine steel beams with concrete slabs, offering structural efficiency and durability under significant loads. The effectiveness of SC bonding methods is evaluated by comparing experimental results to Full Composite Action (FCA) simulations. Fire resistance in shallow floors, particularly SlimFlor systems, is analyzed using …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 2, 2024 Read article
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Nanotechnology in Refractory Materials: Innovations and Applications
Abstract: Nanotechnology has become a focal point of research across diverse scientific fields, including chemistry, medicine, materials science, and engineering. Its integration into refractory products has led to groundbreaking advancements in industries such as steel, glass, casting, and cement, particularly using nanomaterials like nanoparticles, nano additives, and nanostructured materials. This article provides an in-depth examination of the latest developments in monolithic refractories, focusing on how nanotechnology has enhanced their performance, durability, …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 1, 2024 · pp. 7–11 Read article
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A Comprehensive Study of ZnxFe2–xO3 Nanocomposite for the Applications of Medical, Photocatalytic, and Solar Cells
Abstract: ZnxFe2–xO3 nanoparticles and composites are a focus area of research in nanotechnology, biotechnology, and material engineering. The functional properties of these nanomaterials depend on the scientific method of synthesizing and characterizing procedure. In this study, greater attention is invested on biological synthesis of ZnxFe2–xO3 nanoparticles and nanocomposite. For in vivo or in vitro study, properties, such as biocompatibility, reactivity, bio sensitivity, photosensitivity, and biodegradability are considered. Besides, the Ferrofluid and …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 2, 2024 · pp. 44–51 Read article
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Design and Development of Semiconductor Nanocomposites for Photoelectrocatalytic Applications
Abstract: Humanity is currently facing an unprecedented challenge: anthropogenic climate change. This complex phenomenon is driven by a multitude of factors, including scientific, psychological, societal, and social dimensions, among others. the release of greenhouse gases, such as CO2, CH4, N2O, HFCs, and PFCs have increased significantly. Since the industrial revolution, atmospheric CO2 levels have surged by 50%. Although gases like CO2 and CH4 occur naturally and are essential for maintaining the …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 2, 2024 · pp. 25–32 Read article
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Physics, Novel Concepts and Technical Analysis of GaMnAs Digital Alloys
Abstract: GaMnAs Digital Alloys have recently drawn the attention of various workers, due to their very special properties from the point of view of applications in spintronics. Physics and Novel Concepts of GaMnAs Digital Alloys have been presented in this paper. The various technical aspects of digital alloys like III1-xMnxV Random Alloys (InMnAs and GaMnAs), MBE grown GaMnAs Random Alloys, Photo-induced Ferromagnetism, Magnetization Measurements, MagnetoTransport Measurements, and Temperature Dependence of Sheet …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 2, 2024 · pp. 1–10 Read article
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Structural, Optical, and Antibacterial Properties of NiCr₂O₄/NiO Nanocomposite Synthesized by a Facile Microplasma Electrochemical Process
Abstract: Nowadays increasing severity of environmental pollution and antibiotic resistance poses significant global challenges, particularly due to the accumulation of organic pollutants from industrialization and the proliferation of antibiotic-resistant bacteria, which jeopardize ecosystems and public health. To address these issues, the development of advanced nanocomposites with photocatalytic and antimicrobial properties is of paramount importance. This article reports the synthesis of NiCr₂O₄/NiO nanocomposite conducted in the current study via atmospheric pressure microplasma …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 2, 2024 · pp. 1–12 Read article
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Exploring the Ettingshausen Effect: Magnetothermoelectric Transport in Graphene Nanoribbons and Iron-Carbon Alloys
Abstract: This study investigates the magnetothermoelectric effects, specifically the Ettingshausen effect, in graphene nanoribbons and iron-carbon alloys and explores their implications in plasma physics through self-similar modeling. The Ettingshausen effect, which involves the generation of a transverse heat current from a longitudinal charge current in the presence of a magnetic field, is analyzed using the Landauer-Büttiker formalism and nonequilibrium Green's function methods. Results reveal that in graphene nanoribbons, the Ettingshausen effect …
Published in International Journal of Energetic Materials · Vol. 10, Issue 1, 2024 · pp. 31–35 Read article
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Experimental Study on the Surface Properties of Coconut Husk Fiber and Banana Fiber Treated with Sodium Lauryl Sulfate
Abstract: The focus of modern research is on using natural, biodegradable, and renewable materials in place of synthetic ones. Composites made from natural fibers are undergoing extensive research because of their unusual characteristics and eco-friendliness. Natural fibers have the benefits of being readily available, simple to handle, and biodegradable. One of the best ways to improve the mechanical characteristics of polymer is to reinforce it with natural fibers. With hybrid composites, …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 2, 2024 · pp. 13–24 Read article
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Physico-Mechanical and Degradation Properties on Agro-Waste Based Polymer Composites Reinforced with Banana Bunch Fiber
Abstract: The usage of banana bunch fibers in polymer composite parts for the automotive, aerospace, and construction industries is growing. As people grow more aware of the danger of synthetic fibers, banana bunch fibers are being used in an increasing variety of sectors. It is important to recognize that humans depend on the Earth for survival, not the other way around. This understanding drives scientists and policymakers to seek alternatives to …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 2, 2024 · pp. 33–43 Read article
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The Role of Metallurgy in Modern Building Retrofits: Achieving Energy Savings and Sustainability
Abstract: Building retrofits have become a pivotal strategy in enhancing energy efficiency and sustainability in existing structures. As global emphasis on environmental sustainability intensifies, retrofitting older buildings to meet contemporary energy standards has gained prominence. This article examines the influence of metallurgical and materials science innovations on recent energy-saving trends in building retrofits. It explores advanced Heating Ventilation and Air Conditioning (HVAC) systems, highlighting how high-performance alloys and materials improve efficiency …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 1, 2024 · pp. 1–6 Read article