"A carbon fiber is a long‚ thin strand of material about 0.005-0.010 mm in diameter and composed mostly of carbon atoms. The carbon atoms are bonded together in microscopic crystals that are more or less aligned parallel to the long axis of the fiber. The crystal alignment makes the fiber incredibly strong for its size. Several thousand carbon fibers are twisted together to form a yarn‚ which may be used by itself or woven into a fabric. The yarn or fabric is combined with epoxy and wound or molded
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GRAPHITE AS A STRUCTURAL MATERIAL: CARBON FIBER Carbon Fiber is a structural material of graphite which is an allotrope of carbon. Therefore Carbon Fibre consists of carbon atoms in an atomic structure similar to Graphite. Carbon Fibre is composed of filament threads and within these threads are an accumulation of thousands of fine Carbon filaments. A filament has a diameter of approximately 5-10 micrometers. (Madehow‚ 2012) Due to the substantial stability in bonding between Graphite and Carbon
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Development of the Boeing 787 Dreamliner Introduction In 2003‚ Boeing launched a project to build a new airframe that had the original designation of 7E7 Dreamliner. In January 2005‚ the aircraft was redesigned the 787 Dreamliner. Boeing’s intent was to utilize new technology and procurement processes to build two versions of the aircraft. The 787-8 was designed to carry 210 to 250 passengers on routes of 7‚650 to 8‚200 nautical miles and the stretch version (787-9) was designed to transport
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STATEMENT OF PURPOSE “Education is the manifestation of the perfection already in man”. -Swami Vivekananda I strongly believe that perfection is already in man‚ inherent in his heart and soul and education is the medium through which we are able to manifest that perfection. This century can be credited with having given birth too many ideas‚ visions‚ way of living and working. It can be credited with almost as many revelations of thoughts and practices. The world is ever changing. An ambition
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Introduction Hand lay-up combined with autoclave curing is a composite manufacturing technique which is still widely used in the aerospace industry. The main reasons are the confidence in this well established process and the high fibre volume fractions and low void contents which can be achieved due to the high pressures used in autoclaving. However‚ autoclaving mainly depends on the manual mould lay-up of prepreg material. Manual lay-up of high-curvature products is complicated and most of all
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reducing the drag and increase the lift. As for the outer skin‚ the design must be as light as possible in order to reduce the weight and then gradually increase the lift. But then‚ the material used must not be too fragile as it has to withstand high pressure and impact from foreign objects such as birds. The main material used is a type of stainless steel metal‚ which is aluminium. But then‚ in order to withstand a high pressure the aluminium layer must be very thick and thus the weight is increased
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Technology Education Plastics Technology Animations of Processes This “Plasics Module” covers the plastics technology specifications for KS3 and GCSE courses‚ including: Structure‚ composition and properties of polymers Polymer composites Formulae of common polymers Hazards – polymers leaching chemicals Sustainability Recycling Abbreviations of polymers Blown film Calendering Compression moulding
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Kevlar ’s structure consists of relatively rigid molecules‚ which tend to form sheet-like structures that have similarities to silk proteins. Kevlar can be used by itself or as part as o composite material to give added strength. It is best known for its use in bullet proof vests and knife proof body armour. It is also used for reinforcement in car tires‚ car brakes‚ strings of archery bows‚ and also in car‚ boat and aircraft bodies. Kevlar is
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where high strength and light weight are required. Carbon fibres can also be easily moulded into the desired shape. They are also chemically inert‚ resistant to heat‚ and do not expand under changing temperatures. Machining of carbon fibre materials can generate airborne particles. The potential health effects of these particles have been widely debated. To date‚ there has been no report of occupational illness directly related to carbon fibres. Its chemical properties and toxicity have been
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LABORATORY TESTING OF HIGHWAY MATERIALS INSTRUCTIONS 1. STATEMENT OF ORIGINALITY Certified that this is the bonafide research work of Mr. Albert M. Dintweng and has a Summarized title; Laboratory Testing Of Highway Materials Instructions. Compiled from January 2011 until December 2011. Signature:_________________ 2. DISCLAIMER While utmost care has been taken in the preparation of this instruction report to provide reliable information
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