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104 articles for “Powder”
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Aerocon Bricks
Abstract: Various low-cost housing projects are considered by a growing demand chiefly due to urbanisation. The collection of building materials should chance the requirements of local conditions to enhance quality of life for the most needed ones by building new structures and/or by improving existing structures. Various studies showed that a big variety of wall materials have been used in different building systems with traditional and modern construction methods, but only …
Published in International Journal of Concrete Technology · Vol. 4, Issue 2, 2018 · pp. 37–48 Read article
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Effect of Accelerated Curing and Normal Curing Regimes on UFGGBFS-Based Semi-Lightweight Concrete
Abstract: This paper deals with the performance of semi-lightweight concrete (sLWC), prepared by using calcite powder pellets as coarse aggregates which was improved by partial replacement of cement with UFGGBFS (ultrafine ground granulated blast-furnace slag). Cement could be replaced by UFGGBFS as 0%, 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, and 70% to enhance the strength and durability properties of concrete. High-range water-reducing admixtures (HRWA) …
Published in International Journal of Concrete Technology · Vol. 5, Issue 1, 2019 · pp. 1–7 Read article
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Effect of Alccofine on Durability Properties of Concrete
Abstract: Alccofine is a mineral admixture use in concrete for production of workable and durable concrete. It is effective in all belongings of concrete in fresh and hardened state. In this study alccofine 1203 used for inspection the characteristics of concrete in aspects of durability. Alccofine 1203 obtained from Ambuja cement plant in the form of fine powder. The percentage of alccofine mixed in concrete as 3-15% in interval of 3% …
Published in International Journal of Concrete Technology · Vol. 6, Issue 1, 2020 · pp. 23–31 Read article
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Mechanical Properties of sand blasting residue concrete
Abstract: Sand Blasting Residue (SBR) form chain manufacturing companies as a large massive by-product. Steel-slag hydrated matrix is made of ground granulated blast furnace slag powder & steel-making slag which is the by-product of iron manufacturing. This type of construction material is called environmental conscious material in Japan. This research presented that the strength of steel-slag hydrated matrix depends on the pH of the steel-slag hydrated matrix after mixing. Firstly, cement, …
Published in International Journal of Concrete Technology · Vol. 6, Issue 2, 2020 · pp. 46–52 Read article
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Effect of House Hold Waste Glass on mechanical properties of concrete
Abstract: Waste management is of great problem in current scenario. A huge amount of waste is generating from various industries in large amount. A few amounts can be recycled otherwise lots of them as a waste to dump into the dump yard. This waste is creating problem in surrounding area which also impact on environment. Other side the problem related to river sand is increasing due to large exploration of river …
Published in International Journal of Concrete Technology · Vol. 8, Issue 1, 2022 · pp. 1–8 Read article
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Synthesis and Characterization of Magnetite-Pectin-Alginate Hybrid and Bionanocomposite
Abstract: It is a one pot synthesis of hybrid bionanocomposite comprising of inorganic magnetite with stabilizer biopolymer pectin and alginate in co-precipitation method using sodium hydroxide and ammonium hydroxide as precipitating agents. A lot of comparison and investigation has been done in particle size of nanocomposite by changing the stoichiometric ratio of both magnetite and biopolymer concentration and drying condition of composite. The nanocomposite has been characterized using infrared spectroscopy (FTIR), …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 1, 2017 · pp. 18–22 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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From Fireworks to Rocket Fuel: What to Understand from Solid Propellants
Abstract: Solid propellants are high-energy materials that are used to propel and thrust missile systems and rockets. Despite the fact that they have a long history dating back to the employment of black powder over two millennia, performance gains expectations and the requirement for" insensitive weapons" that are resilient to unintentional ignition have motivated much study and development in the last half-century subjecting to the formation of SRMs engines (main combustion …
Published in International Journal of Applied Nanotechnology · Vol. 9, Issue 1, 2023 · pp. 1–12 Read article
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Significance of RDX – A Highly Explosive Energetic Material
Abstract: Plastic demolition explosives containing RDX and PETN as major energetic components. Torpex: 42% RDX, 40% TNT, and 18% powdered aluminium. The mixture was designed during World War II and used mainly in underwater ordnance. It is made from other chemicals known as hexamine, ammonium nitrate, nitric acid, and acetic acid. A small amount of HMX is also formed in making cyclotrimethylene-trinitramine (RDX), another explosive similar in structure to HMX. Composition …
Published in International Journal of Energetic Materials · Vol. 3, Issue 2, 2017 · pp. 23–26 Read article
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Effect of Sulphamic acid on the growth of Glycine single crystals
Abstract: Sulphamic acid added glycine single crystals were grown successfully by slow-evaporation technique.A single crystal with well defined crystal was obtained. The lattice parameters and crystal system of the grown crystals were confirmed by single crystal and powder x-ray diffraction analysis.The functional groups present in the sample were identified by FTIR spectral analysis.The lower cut off wavelength and bandgap energy of the grown crystal was analysed from uv-vis spectral analysis. Keywords: …
Published in International Journal of Energetic Materials · Vol. 5, Issue 1, 2019 · pp. 9–13 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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Nanoscience and Nanotechnology: A Review
Abstract: The field of nanotechnology has been recently blooming as the most economically and commercially feasible technology in the arena of science, medicine, research etc. The advent of nanomaterials like fullerenes, nanoparticles, nano powders, nanotubes, nanowires, nanorods, nano-fibers, quantum dots, nano sensors, nano robots and nano bubbles has wider range of applications in the field of medicine, research, cosmetic products, healthcare, electronics, photonics, biotechnology, engineering products, pharmaceuticals, drug delivery, and agriculture. …
Published in International journal of Nanobiotechnology · Vol. 5, Issue 1, 2019 · pp. 19–31 Read article
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Synthesis & Characterization of Fe3O4 Nanoparticles for Thermal Sensing Application
Abstract: n this work, Synthesis and characterization of magnetite (Fe3O4) nanoparticles by the co-precipitation method has been done. These nanoparticles were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FTIR), UV-Visible spectroscopy (UV) and Thermogravimetry analysis (TGA/DSC). SEM image show morphology and porosity of material. The nanoparticles show quasi-spherical morphology with mean size around 37 nm. The XRD and FTIR confirmed the functionalization of the Fe3O4 nanoparticles. …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 2, 2017 · pp. 10–19 Read article
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Synthesis, characterization, antibacterial activity and in-vitro cytotoxicity of Dy and Fe doped hydroxyapatite nanomaterials
Abstract: Dy- and Fe-doped hydroxyapatite (HAp) was synthesized by the facile aqueous precipitation method. The samples were characterized by using powder X-ray diffraction, Fourier transform infrared spectroscopy and transmission electron microscopy. In this work, the antibacterial activities of Dy- and Fe-doped HAp were tested against gram-positive (Staphylococcus aureus, Bacillus subtilis) and gram-negative (Escherichia coli, Klebsiella pneumoniae and Pseudomonas putida) bacteria by agar diffusion test. It was found that Dy(5)-and Fe(5)-doped HAp …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 46–54 Read article
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Solution Combustion Synthesis of Yttrium molybdate (Y6MoO12) Nanoparticles by using Peroxomolybdic Acid, Characterization and Applications
Abstract: The main aim of our present research work is to synthesize the distinct yttrium molybdate (Y6MoO12) nanoparticles with excellent photocatalytic activity through ultra-rapid solution combustion route using peroxomolybdic acid as molybdenum source for the first time. The morphology of Y6MoO12 nanoparticles studied using scanning electron microscopy (SEM) exposes that the particles are exceedingly porous and agglomerated. From BET surface area measurement, it is examined that Y6MoO12 nanoparticles exhibit relatively large …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 7, Issue 1, 2021 · pp. 1–12 Read article
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Synthesis , Characterization and Biological Activity of Schiff base Derived from Sulphanilamide and Salicylaldehyde and Its Metal Complexes
Abstract: ABSTRACT : Schiff bases are important intermediates for the synthesis of various bioactive compounds. However, various studies have shown that Schiff bases derived from biologically active ingredients present in medicinal plants are more effective in biological and medicinal activity than in its pure form. In this paper K(I), Ni (II), Mg (II), Cd (II) and Pb(II) Complexes were synthesized from Schiff bases derived from sulphanilamide and Salicylaldehyde. The ligand and …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 1, 2019 · pp. 21–29 Read article
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Developments of Photonic Ferroelectric Ceramic Compose
Abstract: This article is a study of imposed interposed crystal allotropic modification underexposure of electricity. Ferroelectric photonic ceramic powder and films are usual studied in preparation from adoptive transduction in the same crystal based on electrical gradient. Ferroelectric ceramics and thin films used to be processed by the sol-gel method, where empirical variables of interest have been their chemical composition, constituent phases, and microstructure. Functional attributes made metal oxide compose like …
Published in International Journal of Composite Materials and Matrices · Vol. 7, Issue 1, 2021 · pp. 37–44 Read article
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Syenthesis characterization and biological activities of Schiff base metal complexes of Zr (II) Ba(II), Cu(II), Sr(II) and Th (II) derived from sulfa pyridine
Abstract: Abstract : The Schiff base ligand was prepared by sulfapyridine with salicylaldehyde Zr(II), Ba(II), Co(II), Sr(II) and Th (II) complexes of above ligand was synthesized as well. The synthesized complexes have been characterized by powder XRD and SEM. The anti microbial activity of synthesized ligand ant its complexes have been tested for their antibacterial activity against bacterial species, such as Bacillus subtilis, staphylococcus aureus, Pseudomonas, aeruginosa, Enterobacter aerogenes, E-coli and …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 1, 2019 · pp. 30–37 Read article
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Green Synthesis of Zinc Oxide (ZnO) Nanoparticles using Urtica dioica Plant Leaf Extract
Abstract: The green synthesis of nanoparticles by biological systems, particularly plant extracts, has become an emerging area of nanotechnologies. Nano materials have wide range application in various fields such as electronics, optics, material science and bio medical science due to their size and morphology. Zinc oxide is a versatile semiconductors material and has attractive properties like wideband gap (3.2eV) large exciton biding energy, high stability and environmental friendly material. The synthesis …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 2, 2022 · pp. 44–57 Read article
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Manufacturing of a Portable and Low Cost Fused Deposition Modelling Principle Based 3D printer: A Review
Abstract: Three-dimensional (3D) printing refers to a technique during which objects are created by fusing or depositing materials—such as plastic, metal, ceramics, powders, liquids, or perhaps living cells—in layers to supply a 3D object. This method is additionally spoken as additive producing (AM), speedy prototyping (RP), or solid free-form technology (SFF). The current papers aims to present a review on 3D printing stating its benefits and mechanisms used to manufacture a …
Published in International Journal of Mechanics and Design · Vol. 2, Issue 2, 2016 · pp. 20–31 Read article