All articles
544 articles
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The Metallurgical Properties of Beryllium
Abstract: Beryllium is a toxic bivalent element, steel gray, strong, light-weight, primarily used as hardening agent in alloys. Beryllium has one of the highest melting points of the light metals. It has excellent thermal conductivity, is nonmagnetic, it resists attack by concentrated nitric acid and at standard temperature and pressures beryllium resist oxidation when expose to air. Keywords: Beryllium, metallurgical properties, applications, uses
Published in International Journal of Metallurgy and Alloys · Vol. 3, Issue 2, 2017 · pp. 1–3 Read article
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A Mini Review on Copper Nanoparticles
Abstract: The synthesis of metal nanoparticles is more important than ever. Copper has been recognized as a nontoxic, safe inorganic material, cheaper antibacterial/antifungal agent, and has high potential in a wide range of biological, catalytic and sensors applications more particularly in the form of nanoparticles. This resulted in the development of numerous methods for the synthesis of copper nanoparticles. As conventional methods like chemical and physical methods have several limitations so …
Published in International Journal of Metallurgy and Alloys · Vol. 3, Issue 2, 2017 · pp. 4–7 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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Rocket Propellants as an Efficient Energetic Material
Abstract: Rocket propellant is either a high oxygen containing fuel or a mixture of fuel plus oxidant, whose combustion takes place, in a definite and controlled manner with the evolution of a huge volume of gas. In the rocket engine, the propellant is burnt in the combustion chamber and the hot jet of gases (usually at very high pressures, with combustion temperatures approaching 3000K) escapes through the nozzle at very high …
Published in International Journal of Energetic Materials · Vol. 3, Issue 2, 2017 · pp. 19–22 Read article
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An Overview of Trinitrotoluene (TNT)
Abstract: As for TNT, it is also a high explosive. TNT is a yellowish compound with the chemical name trinitrotoluene, which is somewhat easier to remember than its chemical formula, CH 3C6H2(NO2)3. 2,4,6-TRINITROTOLUENE is a 2,4,6-trinitrotoluene, which is an explosive chemical that can cause skin irritation and other toxic consequences. 2,4,6-Trinitrotoluene is a yellow, odorless solid that does not occur naturally in the environment. It is commonly known as TNT and …
Published in International Journal of Energetic Materials · Vol. 3, Issue 2, 2017 · pp. 7–13 Read article
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Relevance and Utilization of Copper and Copper Alloys
Abstract: Copper is the oldest metal used by man. It is use dates back to prehistoric times. Copper has been mined for more than 10,000 years with a Copper pendant found in current day Iraq being dated to 8700 BC. By 5000BC Copper was being smelted from simple copper oxides. The combination of physical properties such as strength, conductivity, corrosion resistance, machinability and ductility make Copper suitable for a wide range …
Published in International Journal of Metallurgy and Alloys · Vol. 3, Issue 2, 2017 · pp. 11–16 Read article
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Potential Applications of Titanium Dioxide in Diverse Fields
Abstract: Metal oxide semiconductors, such as TiO2 nanoparticles are frequently used as photocatalyst due to non-toxicity, chemical stability, and the ability to possess relatively high photocatalytic activity of TiO2. Laboratory studies have demonstrated that organic compounds such as alcohols, carboxylic acid, phenolic derivatives, and chlorinated aromatics can be readily mineralized by TiO2 into harmless carbon dioxide, water and simple mineral acids, using molecular oxygen as the primary oxidant. Keywords: environmental pollution, …
Published in International Journal of Metallurgy and Alloys · Vol. 3, Issue 2, 2017 · pp. 8–10 Read article
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Practices and Utilization of Green Propellants in Space Technology
Abstract: We are facing environmental challenges related to the use of energetic materials in many areas of society. In this review paper, we will use the civil space sector as an example, and discuss some past and present attempts to develop and implement green propulsion technology. This article represented some of the challenges associated with taking a green material from the initial development state to its final application. Keywords: ammonium perchlorate, …
Published in International Journal of Energetic Materials · Vol. 3, Issue 2, 2017 · pp. 14–18 Read article
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Eco-Friendly Smoking – A Clean Smoke for the Benefits of Climate and Foodstuffs
Abstract: The clean smoke smoking process protects the environment and ensures safe food. Smoking is indeed one of the oldest methods for preserving food; however, it is not quite the healthiest or the most beneficial to the environment. Despite all that tradition, a number of pollutants, primarily ash, tar and polycyclic aromatic hydrocarbons (PAHs), which are produced from smouldering wood, penetrate the food along with the smoke and are subsequently consumed. …
Published in International Journal of Energetic Materials · Vol. 3, Issue 2, 2017 · pp. 1–6 Read article
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A Summary of Smokeless Powder – An Explosive Used in Firearms and Artillery
Abstract: A smokeless powder is made from 68.2% insoluble nitrocellulose, 29.8% soluble nitrocellulose gelatinized with ether and 2% paraffin. Smokeless gunpowder made from gelatinized nitrocellulose mixed with ether and alcohol, it was passed through rollers to form thin sheets, which were cut with a guillotine to flakes of the desired size. The present paper discussed about the smokeless powder used as an explosive in firearms and artillery. Keywords: gunpowder, nitrocellulose, smokeless …
Published in International Journal of Energetic Materials · Vol. 3, Issue 1, 2017 · pp. 24–28 Read article
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An Outline of Gasoline – A Petroleum Product
Abstract: Petrol is short for petroleum, which is unprocessed crude or shale oil. This liquid contains hydrocarbons, and the carbon atoms in crude oil link together in chains of different lengths. Gasoline (American English) or petrol (British English) is a transparent, petroleum-derived liquid that is used primarily as a fuel in internal combustion engines. Gas is short for gasoline, a petroleum byproduct, which is what the fuel used in most internal …
Published in International Journal of Energetic Materials · Vol. 3, Issue 1, 2017 · pp. 19–23 Read article
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Synthesis and Production of Innovative Energetic Materials
Abstract: Energetic materials such as explosives, propellants and pyrotechnics are used world widely for civilian and military applications. There are research programs worldwide to develop pyrotechnics with reduced smoke and new explosives and propellants with higher performance or improved insensitivity to thermal or shock insults. In current years, the synthesis of energetic and heterocyclic compounds have received a great amount of interest. Heterocycles generally have a higher heat of formation, density, …
Published in International Journal of Energetic Materials · Vol. 3, Issue 1, 2017 · pp. 5–10 Read article
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An Overview of Explosions and Impact of Explosives Materials
Abstract: An explosive is a material, either a pure single substance or a mixture of substances, which is capable of producing an explosion by its own energy. It is not proper to define an explosive as a substance, or a mixture of substances, which is capable of undergoing a sudden transformation with the production of heat and gas. The production of heat alone by the inherent energy of the substance which …
Published in International Journal of Energetic Materials · Vol. 3, Issue 1, 2017 · pp. 11–18 Read article
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Potential Applications of Biocompatible and Biodegradable Nature of Biopolymer
Abstract: Biopolymer is a polymer that is obtained from living organisms. It is an eco-friendly chemical compound that is considered as the most organic compound in the ecosphere. The name “Biopolymer” specifies that it is a bio-degradable polymer. Biopolymers are one of the alternatives of fossil fuels. This short communication represented the several types of applications of Biopolymer in our daily life.
Published in International Journal of Polymer Science and Engineering · Vol. 3, Issue 1, 2017 · pp. 38–43 Read article
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Cellulose: A Natural Polymer on the Earth
Abstract: Cellulose is the substance that makes up most of a plant's cell walls. Since it is made by all plants, it is probably the most abundant organic compound on Earth. Aside from being the primary building material for plants, cellulose has many others uses. According to how it is treated, cellulose can be used to make paper, film, explosives, and plastics, in addition to having many other industrial uses. The …
Published in International Journal of Polymer Science and Engineering · Vol. 3, Issue 1, 2017 · pp. 32–37 Read article
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A Review on Recent Applications and Future Prospectus of Hybrid Composites in Various Engineering Applications
Abstract: Hybrid composite materials have far reaching engineering application where strength to weight proportion, minimal cost and simplicity of creation are essential. Hybrid composites deliver combination of properties such as compressive strength, impact strength and tensile modulus which cannot be appreciated in composite materials. In modern times, hybrid composites have been recognized as highly efficient, high performance structural materials and their use is increasing speedily. Hybrid composites are generally used when …
Published in International Journal of Composite and Constituent Materials · Vol. 3, Issue 2, 2017 · pp. 22–24 Read article
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Study on the Properties and Applications of Thermoplastic
Abstract: Hot-applied thermoplastic is prepared for road deposition in a melting apparatus where the granular or block material is introduced and heated until it liquefies at temperatures exceeding 400F. When applied on asphaltic concrete, thermoplastic material develops a thermal bond via heat- fusion. A thermoplastic is a material, usually a plastic polymer, which becomes soft when heated and hard when cooled. Thermoplastic materials can be cooled and heated several times without …
Published in International Journal of Composite and Constituent Materials · Vol. 3, Issue 2, 2017 · pp. 16–21 Read article
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Graphene Nanocomposites
Abstract: This paper provides an ample review of the present trends in graphene research with an emphasis on graphene-based nanocomposites and their applications. Various synthesis routes have recently been devised for mass production of graphene to address the needs of the composite industry. This paper describes the worldwide scenario of applications and uses in the field of graphene nanocomposites. It concludes with a discussion of the impact of graphene in composites …
Published in International Journal of Composite and Constituent Materials · Vol. 3, Issue 2, 2017 · pp. 11–15 Read article
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Applications of Composite Materials in Aerospace Industry
Abstract: Composites are becoming increasingly important in the aerospace industry. At least 30–40 per cent of modern airframes are now made of composites, and this percentage is increasing rapidly due to technological advances in the field. Fibre-reinforced polymer composite materials are fast gaining ground as preferred materials for construction of aircrafts and space crafts. This paper gives a review of some of these developments with a discussion of the problems with …
Published in International Journal of Composite and Constituent Materials · Vol. 3, Issue 2, 2017 · pp. 5–10 Read article
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Application and Future of Composite Materials: A Review
Abstract: Materials play a significant role in the blooming of human civilization and country’s infrastructure. Composite materials have boundless engineering application where strength to weight ratio, low cost and ease of fabrication are required. For certain applications, the use of composite materials as compare to metals has in fact resulted in savings of both weight and cost. Some examples are cascades for engines, leaf spring, curved fairing and fillets, replacements for …
Published in International Journal of Composite and Constituent Materials · Vol. 3, Issue 2, 2017 · pp. 1–4 Read article