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165 articles for “thermal properties”
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Overview on the Thermal Properties, Geometric Structure and Recycling Process of Thermoplastic Materials.
Abstract: This study is aim to discuss the thermal properties, geometric structure and recycling process of thermoplastic materials. Also, recycling is one of the most important actions currently available to reduce the negative impact on the environment and represent one of the most dynamic areas in plastics industry today. Thermal properties, geometric structure and recycling process of thermoplastic materials deals with the properties of thermoplastics which includes: it may melt before …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 6, Issue 2, 2020 · pp. 20–24 Read article
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Impact of Cryogenic Temperatures on the Mechanical and Thermal Properties of Polymers and Composites
Abstract: The development of lightweight, high-performance materials for use in cryogenic environments is crucial for advanced applications in aerospace, energy storage, and industrial sectors. This study explores the thermodynamic and mechanical behavior of fiber-reinforced polymers and composite materials under extremely low-temperature conditions. The cryogenic performance of these materials, including their thermal stress resistance and impact properties, was assessed with a focus on polymer fragility and the durability of composites at temperatures …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 · pp. 7–12 Read article
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Study of Dynamic Mechanical and Thermal Properties of Poly(Ether Ether Ketone) Carbon Nanotubes
Abstract: The effect of polyetherimide (PEI) as a compatibilizing agent on the morphology, thermal, electrical and dynamic-mechanical properties of poly(ether ether ketone) (PEEK)/single-walled carbon nanotube (SWCNT) nanocomposites, has been investigated for different CNT loadings. After a pre-processing step based on ball milling and premixing under mechanical treatments in ethanol, the samples were prepared by melt extrusion. A more homogeneous distribution of the CNTs throughout the matrix is found for composites containing …
Published in International Journal of Polymer Science and Engineering · Vol. 3, Issue 1, 2017 · pp. 1–21 Read article
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Synthesis, Structural and Thermal Properties of Nanoporous Silica Aerogels
Abstract: Aerogel is a pellucid that has varieties of permeable and fabricated solid materials with remarkably low density. It has an exceptional thermal insulation and its structure varies from analogous to foamed polystyrene during solid state. Aerogels are considerably the lightest when solid due to presence of air by volume, which is around 99.8%. For extracting aerogels, air or other specific types of gas are used; heat therapy is also used …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 1–7 Read article
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Low Temperature Chemical Synthesis of Nickel Oxide Microflower and Study of its Optical and Thermal Properties
Abstract: A simple rout for the synthesis of flower like nickel oxide nanostructure has been reported using nickel sulphate and potassium per-sulphate as precursor. Efforts were made to see the effect of persulfate amount on different properties of the materials thus two samples were synthesized with different amount of per-sulphate precursors. The as prepared samples were characterized by x-ray diffraction, field emission scanning and transmission electron microscope, thermal gravimetric and differential …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 2, 2018 · pp. 17–24 Read article
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Grafting of Starch: Synthesis and Thermal Properties
Abstract: Starch chloroacetate (St.ClAc) as a macro-initiator was pre-synthesized with reaction of primary OH groups on powder starch and characterized. In this study, the graft copolymer of St.ClAc with the previously synthesized 2-(4-methoxyphenylamino)-2-oxoethyl methacrylate (MPAEMA) and N-cyclohexylmethacrylamide (NCMA) monomer was made by atom transfer radical polymerization method (ATRP). St.ClAc and its graft copolymers (St.ClAc-g-MPAEMA and St.ClAc-g-NCMA) were characterized by FT-IR spectra and elemental analysis. In addition, thermal stability of these new …
Published in International Journal of Applied Nanotechnology · Vol. 6, Issue 1, 2020 · pp. 23–29 Read article
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Some Thermal Properties of Banana (Musa acuminata) Peels Bonded Waterlily (Nymphaea lotus Linn.) Briquettes
Abstract: The purpose of the study was to determine how the amount of binder affected the ignition time and rate of burning of fuel briquettes made from a blend of banana (Musa acuminata) and waterlily (Nymphaea lotus Linn.) peels at varying binder ratios (0, 20, 40, 60, and 80% by weight of each feedstock). Before the briquettes were expelled for additional research, the homogenous feedstock was compressed by a hydraulic press …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 11, Issue 1, 2025 Read article
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Influence of Compatibilizers on the Morphology, Mechanical, Thermal andRheological Properties of Polypropylene/Organomuscovite Nanocomposites
Abstract: In this study, the effects of two different compatibilizer types-maleated polypropylene and hexamethylenediamine modified maleated polypropylene-on the characteristics of a polypropylene/maleated polypropylene/organo-muscovite clay nanocomposite were investigated. By combining polypropylene with three different levels of organo-muscovite clay content, two distinct compatibilizers were used to make the nanocomposites, each with a fixed amount of 10 weight percent. The compatibilizer's effects on the morphological, mechanical, thermal, and rheological characteristics of nanocomposites were then …
Published in International Journal of Applied Nanotechnology · Vol. 10, Issue 1, 2024 · pp. 25–36 Read article
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Thermal and structural properties of surface treated ragweed fiber reinforced biodegradable polylactic acid biocomposites
Abstract: Natural fiber-reinforced composites (NFRC) are becoming more popular as technological advance recognizes the need for eco-friendly materials. This work presents Giant ragweed (Ambrosia trifida) as a new composite reinforcement material into polylactic acid (PLA) matrix to form novel natural fiber-reinforced composites. Different types of retting techniques are utilized, and hydrogen peroxide retting is proven to provide the most optimized properties. The fibers are taken through subsequent extraction and grinding processes. …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 2, 2022 · pp. 13–31 Read article
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Production and Evaluation of Composites Made from Waste Material and Recycled Poly(Ethylene Terephthalate)
Abstract: A significant ecological concern that third-world countries are currently facing is the economically viable use of lignocellulose waste. In addition to reducing the cost of the composite, cellulosic fiber composites created from industrial waste would enable the efficient use of a waste material that is presently disposed of or burned. Recycled poly (ethylene terephthalate) was used in this work as a major phase (matrix) and industrial waste material was used …
Published in International Journal of Energetic Materials · Vol. 11, Issue 1, 2025 · pp. 1–12 Read article
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Mechanical, Thermal, and Electrical Properties of Poly(ether-ester)-Based Thermoplastic Elastomer Composites Filled with ZnO Nanoparticles
Abstract: A highly helpful technique to create novel polymeric materials with ordered and customized features is blending two or more immiscible polymers. The outstanding balance between processability and physical characteristics of thermoplastic polyester elastomers, particularly when using hydrogenated styrene–butadiene copolymer, makes them appealing materials for a variety of applications, including the automotive industry. New opportunities for tailored flexible composites with improved mechanical and chemical properties are made possible by reinforced polymers …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 10, Issue 2, 2024 · pp. 33–42 Read article
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MISCIBILITY EVALUATION OF POLYSTYRENE AND POLY(METHYL METHACRYLATE) BLENDS: ANALYSIS OF MECHANICAL, THERMAL, MORPHOLOGY, AND VISCOELASTIC PROPERTIES
Abstract: Partially miscible blend of polystyrene (PS) and poly(methyl methacrylate) (PMMA) was successfully prepared employing melt blending technique. In order to impart miscibility, the processing was carried out at temperature above upper critical solution temperature (UCST) as studied from cloud point measurements. The complex modulii and viscosity derived from melt rheology analysis as a function of angular frequency were also used to study the effect of PMMA loading on the miscibility …
Published in International Journal of Polymer Science and Engineering · Vol. 1, Issue 1-2, 2015 Read article
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Analysis of Gravity Dam for Different Rectangular Openings Sizes
Abstract: Gravity dams are very important structures. Different parameters which come in loading combination are temperature, dead weight, earthquake, hydrostatic pressure and water load. From the study, it has been found that the properties which affect the performance of a dam are static properties and thermal properties. Static properties of the concrete dam are strength, Poisson’s ratio and elastic modulus while thermal properties are specific heat, thermal expansion coefficient, thermal conductivity …
Published in International Journal of Concrete Technology · Vol. 3, Issue 2, 2017 · pp. 11–17 Read article
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Effect of Addition of Phosphates on Thermal, Physical and Mechanical Properties of Phenolic and Amino Bonded Wood Composite
Abstract: Properties of flame retardant molecule board made by treating the molecule (crowded deltoids) with mono ammonium hosphate/diammonium phosphate (MAP/DAP) creation were examined. Two convergences of (0, 1, and 2%) of flame retardants ere joined to the particles on broiler dry weight of the particles. Melamine Urea Formaldehyde tar (MUF) and phenol formaldehyde pitch (PF) were utilized to produce the exploratory boards. The fire retardancy and warm strength of the composites …
Published in International Journal of Composite Materials and Matrices · Vol. 2, Issue 1, 2016 · pp. 8–14 Read article
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An Investigation of Properties Nanoparticles Reinforced Thermoplastic Nanocomposites
Abstract: Nanoparticles and nanocomposites find widespread uses in a variety of fields, such as building materials, architecture, optics, food packaging, optoelectronics, semiconductors, medicine, textiles, cosmetics, and catalysis. Compared to their microparticle cousins, polymeric nanocomposites-a unique family of materials-perform better because they blend organic polymers with inorganic nanoparticles. As a result, they ought to improve the domain of engineering applications. Inorganic nanoparticles can significantly alter the properties of a polymer matrix. Flexible …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 10, Issue 2, 2024 · pp. 54–64 Read article
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Development of Nanocomposites for Sensor Applications
Abstract: The development of nanocomposites for sensor applications represents a significant breakthrough in materials science and engineering, driven by the unique properties of nanomaterials. Nanocomposites, which combine nanoparticles with polymers or other matrices, exhibit enhanced mechanical, electrical, and thermal properties, making them highly suitable for various sensing applications. The integration of nanoparticles, such as metal oxide, carbon nanotubes, and graphene, into a composite framework can dramatically increase sensitivity and selectivity, enabling …
Published in International Journal of Applied Nanotechnology · Vol. 11, Issue 1, 2025 · pp. 18–37 Read article
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Exploring the role of Nanomaterials in construction and self-healing technologies.
Abstract: In recent times, nanotechnology and nanoscience have gained popularity because of their sustainable characteristics. Nanomaterials exhibit useful properties, such as strength, durability, insulating properties, thermal properties, etc, which is very important when considering construction materials. This study is conducted to explore the role of nanomaterials and to understand how they improve the function and efficiency of building materials specifically in sustainability and self-healing aspects. This study is done with the …
Published in International Journal of Architecture and Infrastructure Planning · Vol. 10, Issue 2, 2024 · pp. 13–25 Read article
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Synthesis and characterization of bi metallic Nanoparticles by 2-thiotic acid for selective growth of SWCNT
Abstract: Nanoparticles (NPs) are tiny materials having size ranges from 1 to 100 nm. They can be classified into different classes based on their properties, shapes or sizes. There are different types of NPs like men made NPs and Natural NPs but we are discussing about monometallic NPs and Bimetallic NPs. We deal with bimetallic NPs. NPs possess unique physical and chemical properties due to their high surface area and nanoscale …
Published in International Journal of Applied Nanotechnology · Vol. 4, Issue 2, 2018 · pp. 48–58 Read article
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Galerkin Method of Weighted Residual to Study on Enhanced Heat Transfer in Cylindrical Micro-Fins Heat Sink Using Artificial Surface Roughness
Abstract: In this paper, a theoretical investigation is carried out on the use of artificial surface roughness for enhanced heat transfer and thermal management of cylindrical micro-fins with artificial surface roughness. The developed thermal models which are solved using Galerkin method of weighted residual, considered variable thermal properties according to linear, exponential and power laws. The approximate analytical solutions are used to carry out parametric studies and to establish the thermal …
Published in International Journal of Manufacturing and Materials Processing · Vol. 4, Issue 2, 2018 · pp. 12–22 Read article
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Modification of PVA & PMMA with blending and UV Irradiation
Abstract: Abstract-Vinyl polymers have good scope of modification by crosslinking, grafting and other different techniques. UV irradiation is also used for surface modification. In this study PVA and PMMA modified by blending with starch as well as with UV irradiation. Surface crosslinked PVA and PMMA films were set up by applying ultra violet (UV) irradiation. The impacts of convergence of photosensitizer watery arrangement, drenching time and UV light portion on a …
Published in International Journal of Chemical Separation Technology · Vol. 6, Issue 1, 2020 · pp. 1–5 Read article