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733 articles for “Causes”
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Drilling of Fibre Reinforced Plastics (FRPs) Materials: A Literature Survey
Abstract: The use of polymer composite materials has increased rapidly over the last decade and the numbers of papers for the machining of these materials has also increased. The aim of this paper is to present a literature survey on the resins, properties, the superiority of the hole produced in drilling of the fibre reinforced plastics (FRPs), different techniques used to detect the defects in composite structures that may be caused …
Published in International Journal of Composite and Constituent Materials · Vol. 1, Issue 1, 2015 · pp. 14–31 Read article
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Free Vibration Analysis of a Centre-Cracked Plate at Various Orientations through Finite Element Method
Abstract: The free vibration analysis of square centre-cracked plate at various orientations is investigated using the finite element method. In this research, the effect of cracked orientation, variation in cracked length, and variation in thickness of the plate are investigated. Consideration for a variety of edge condition is given through a combination of simply supported, free boundary and clamped boundary condition and determined the mode shapes and natural frequency of a …
Published in International Journal of Composite and Constituent Materials · Vol. 4, Issue 1, 2018 · pp. 5–18 Read article
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A review on E-waste: National & International Scenario
Abstract: Electrical and electronic waste (e-waste) is one of the fastest growing municipal solid waste stream in the world. The existing management practices related to E-waste in most of countries are reasonably poor and have the potential to risk both human health and the environment. According to recent studies, only about 6 percent of the E-waste is recycled, of which 95 percent is recycled through the informal sector. E-waste recycling in …
Published in International Journal of Composite and Constituent Materials · Vol. 4, Issue 2, 2018 · pp. 21–31 Read article
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Nano Ultraviolet Finishing of Textiles Using Inorganic UV- Blockers–The Sustainable Approach of Producing Protective Clothing for Better Tomorrow
Abstract: The diminution of the ozone stratum,due to global warming, is likely to intensify existing health effects caused by exposure to ultraviolet (UV) radiations, as stratospheric ozone is a predominantly effective UV radiation absorber. As the ozone layer becomes thinner, the protective filter provided by the atmosphere is gradually abridged. Subsequently, human beings and the environment are exposed to higher UV radiation levels, particularly higher UV-B levels, which have the greatest …
Published in International Journal of Composite and Constituent Materials · Vol. 6, Issue 1, 2020 · pp. 23–33 Read article
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Photon activated tunneling in ABO3 type Multiferroic domain wall
Abstract: We present photon assisted tunneling in multiferroics of type ABO3. It is seen that the interactions of photons with this analytic molecule accelerate the electron transmissions. It is clarified that the existence of ferromagnetic, ferroelectric, and piezoelectric in multiferroic materials are consequence of magnetic anisotropy, dipole segregation and strain. The effect of photon is therefore, to disassemble existing electronic states or assemblesto form new electronic states by enhancing its transmission …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 1, 2022 · pp. 1–13 Read article
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Physico-mechanical, and Biodegradation Properties of Polyethylene/Food Polysaccharide Blends
Abstract: Hydrophilic/polar and hydrophobic/non-polar materials do not blend well, which causes issues in the production of biodegradable plastic. Plasticizer (glycerol) was one of the components added to the mixture to increase compatibility between the two materials; this also made the film less brittle. The purpose of this study is to look at how different food polysaccharide contents affect the physico-mechanical, and biodegradation characteristics of novel polymeric-based bio-composite films made from low-density …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 1, 2023 · pp. 1–13 Read article
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Plant-drive Waste Fiber Reinforced Thermoplastic Composites: Modification of Fiber Surface Treatment
Abstract: Plant fibers are being utilized more frequently to create polymer composite parts for the aerospace, construction, and automotive industries. The increased awareness of the toxicity of synthetic fibers is what has caused a rise in the use of plant fibers across a variety of industries. It is crucial to emphasize that "Earth needs humans, not humans need earth," hence decision-makers and researchers are working to replace conventional materials with eco-friendly …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 1, 2023 · pp. 14–23 Read article
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Evaluation of Antimicrobial Efficacy of Photogenic Iron Nanoparticles Against Xanthomonas campestris
Abstract: This study investigates the antimicrobial efficacy of photogenic iron nanoparticles (FeNPs) against Xanthomonas campestris, a notorious plant pathogen causing bacterial spot disease in various crops. The synthesis of FeNPs was achieved through a facile and eco-friendly green synthesis approach, utilizing a plant extract as a reducing and capping agent. The resulting photogenic FeNPs were characterized using various analytical techniques, confirming their size, morphology, and composition. The antimicrobial activity of the …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 2, 2023 · pp. 37–54 Read article
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Compatibility of Nanobiocide as Wood Preservative with Thermosetting Resin used as Adhesive for Plywood Manufacturing
Abstract: The study objective was to develop a wood preservative by nano form of Copper oxide, Zinc oxide and Copper sulphate for wood based panel products to make the system with a lesser amount of toxicity. Wood preservatives are products used for the safeguard of wood from deterioration or damage caused by detrimental organisms (for example; fungi, moulds or pests). Nanotechnology presents a notable opportunity to boost the field of wood …
Published in International Journal of Composite Materials and Matrices · Vol. 1, Issue 1, 2015 · pp. 1–6 Read article
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Strain Based Approach to the Fatigue Evolution Modeling of Concrete under Tension-Tension Loading
Abstract: Abstract: Strain based Approach to the Fatigue Evolution Modeling of Concrete under Uniaxial Tension-Tension Loading plays a very important role in the evaluation of the material properties of concrete utilizing strain analysis methods, the nonlinear fatigue strain evolution model is proposed, and the hypothesis of recycle ratio related fatigue strain amplitude causes stiffness degradation and inelastic deformation is briefly described which are the essential material properties of concrete. This paper …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 1, 2019 · pp. 36–56 Read article
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Emerging Smart Materials: Recent Development in Self-healing Elastomers
Abstract: Smart materials based on olefins, diolefins, renewable materials and others reactive monomers are witnessing a rapid growth across different applications sectors such as electronics, health care, automotive, textile, building, construction, agriculture & Energy. Materials development is currently moving at high pace both in academia and in industry due to their diverse commercial potential and beneficial merit for the society. Self – healing elastomers have emerged as high potential materials among …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 2, 2019 · pp. 1–17 Read article
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Investigating Pipeline Integrity Failure as a Result of Corrosion
Abstract: The study reviewed different failure factors and data of onshore crude oil pipelines covering corrosion, external interference, structural defects, and operators’ errors. The focus of this research is to identify factors affecting failure of crude oil pipelines in Nigeria due to corrosion with analysis of failure data from 2008–2017. Corrosion (internal and external) over total length of available pipelines for each year was analysed to determine the current mean time …
Published in International Journal of Composite Materials and Matrices · Vol. 7, Issue 2, 2021 · pp. 1–8 Read article
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Plastics Compressive Strength Testing
Abstract: Compression test is a mechanical test that determines how much compressive force a material to resist before cracking. A gradually applied load compresses the test item, which is commonly in the shape of a square, pyramid, or cylinder, between the platens of a compression-testing machine. Many ductile metals, such as mild steel, have extremely high compression strength, yet measuring them is challenging. Whenever a load is given to a ductile …
Published in International Journal of Composite Materials and Matrices · Vol. 7, Issue 2, 2021 · pp. 46–50 Read article
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Useful Medicinal Operative: Innovative Formulation of Zoloft
Abstract: A highly effective antidepressant is active metabolite hydrochloride. Zoloft is one of those drugs with one or even more asymmetrical centres where the biological effects of the isomers vary significantly from one another. Depression, dependence, and other anxiety-related illnesses are all treated with sertraline hydrochloride, which selectively blocks serotonine reuptake. The preferred configurations should typically be created as early as feasible in the biosynthesis of sertraline, which has two asymmetric …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 1, 2022 · pp. 19–22 Read article
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A Model for Plastic-Hydrolytic Damage Bioresorbable Polymer Composites
Abstract: This paper explains and assesses a recently developed constitutive model for elastic-damage that may sustain plastic-hydrolytic damage. When a metallic material is subjected to plastic strain, voids and microcracks in the metal matrix start to form, develop, and merge. This is what causes ductilitydegradation in metals. Only a few of the many models that have been presented to depict ductile failure have done a thorough analysis of the entire damage …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 1, 2022 · pp. 23–27 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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Design and Simulation of Single Phase Five Level Inverter for a Novel Solar PV Hybrid Energy System
Abstract: Abstract - In current global energy scenario, renewable energy sources can play an important role in meeting the ever increasing energy demand. This is due to exhaustive nature of fossil fuels and the environmental pollution caused by other conventional energy sources. Among renewable energy sources, solar photo-voltaic system is the most popular one as solar energy is available in abundance without paying any cost. The output voltage generated from the …
Published in International Journal of Polymer Science and Engineering · Vol. 4, Issue 1, 2018 · pp. 1–9 Read article
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SEPARATION OF CO2/CH4 USING POLYMERIC MEMBRANES - REVIEW
Abstract: Separation of CO /CH mixture is widely done efficient separation of mixture into desired components unit processes and unit operation had 2 4 been developed with passage of time. Sometimes using conventional technologies. CO2 when carried along with CH4 can cause additional cost of pumping. Most commonly used technique like cryogenic separation, adsorption and absorption are used for decades for separation of CO2 form CH4.Membrane has been developing technology for …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 1, 2019 · pp. 13–29 Read article
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A Critical Evaluation of Polypropylene Impact Copolymer Morphology
Abstract: In order to improve Polypropylene (PP) impact strength, the process of copolymerizing propylene with ethylene is being used. Polypropylene copolymer is essentially a rubber-toughened material consisting of polypropylene homo-polymer matrix in which ethylene-propylene rubber (EPR) is distributed. The overall impact behavior of the copolymer is solely controlled by the rubber morphology and its distribution in polypropylene matrix, which plays a critical role on crystallinity. Even a similar impact grade polypropylene …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 2, 2019 · pp. 1–8 Read article
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Synthesis of Biodegradable Nano Composite of PMMA vinyl Polymer with Corn Cob
Abstract: Vinyl polymers are the largest category of polymers which have wide applications. PMMA is important vinyl polymer which when modified with with Corn Cob(agricultural waste) for nanocomposite formation, then it may result biodegradable modified polymer. Corn cobs (focal piece of maize) are either treated as waste or consumed as fuel causing ecological concern. So as to accomplish its worth option in new research regions, corn cob can be prepared synthetically …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 1, 2020 · pp. 20–24 Read article