BIOMATERIALS METALLIC IMPLANT MATERIALS BY: G.V.CHAKRAVARTHY B.TECH FINAL YEAR ROLL NO. 03501 DEPT. OF METALLURGICAL AND MATERIALS ENGINEERING NATIONAL INSTITUTE OF TECHNOLOGY (DEEMED UNIVERSITY) WARANGAL ‚ANDHRA PRADESH BIO MATERIALS - METALLIC IMPLANT MATERIALS INTRODUCTION In surgery‚ a biocompatible material (sometimes shortened to biomaterial) is a synthetic material used to replace part of a living system
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OIL AND WEAR PARTICLE ANLYSIS Abstract: Oil and wear particle analysis is a very powerful tool used to monitor and assess the health of a machine. Since the lubricant in a machine passes through all the internal parts that can wear‚ it is vital to maintain the quality of the lubricant thought oil analysis. Furthermore the presence of wear particles that are deposited in the oil can give a good indication of the wear material and the possible location of the abnormal wear
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Meghraj and Vedwal Rajendra Kumar (2002)‚Design And Development of low cost durable improved cookstove using pre-casted hollow cement bricks‚ an unpublished B.E.(Ag) thesis submitted to C.T.A.E.‚ Udaipur. 3. Sevda‚M.S. and Jhajharia Deepak (1999)‚”Performance evaluation of different type of improved cookstoves” an unpublished BE(Ag) thesis submitted to CTAE‚Udaipur. 4. Prasad Rajendra(1982)‚Consortium Study of improved Chulha‚an unpublished B.E(Ag) thesis submitted to Sukhadia University‚Udaipur 5
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use a unit that is a certain number of particles. This unit is known as the mole. A mole is the quantity of anything that has the same number of particles found in 12.000 grams of carbon-12. That number of particles is Avogadro’s Number which is about 6.02 x 1023 ‚ representative particles. That is an SI unit for measuring the
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Timeline of materials technology BC • 29‚000–25‚000 BC – First pottery appears • 3rd millennium BC – Copper metallurgy is invented and copper is used for ornamentation • 2nd millennium BC – Bronze is used for weapons and armour • 16th century BC – The Hittites develop crude iron metallurgy • 13th century BC – Invention of steel when iron and charcoal are combined properly • 10th century BC – Glass production begins in ancient Near East • 1st millennium BC – Pewter beginning to be used in
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INTRO Definition of ’Price Elasticity Of Demand’ A measure of the relationship between a change in the quantity demanded of a particular good and a change in its price. Price elasticity of demand is a term in economics often used when discussing price sensitivity. The formula for calculating price elasticity of demand is: Price Elasticity of Demand = % Change in Quantity Demanded / % Change in Price If a small change in price is accompanied by a large change in quantity demanded‚ the product
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Gas Tungsten Arc Welding The Process Gas Tungsten Arc Welding‚ also known as Tungsten Inert Gas Welding‚ is an arc welding process that uses a non-consumable tungsten electrode to produce a weld. The weld area is protected from atmospheric contamination by an inert shielding gas‚ such as argon or helium‚ and filler metal is normally used‚ except in autogenous welds. A constant-current welding power supply produces energy which is conducted across the arc through a column of highly ionized gas and
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the process industry. It all started when Union Carbide Corporation was asked to build a
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undergraduate research experiences in chemistry and biology. Council on Undergraduate Research Quarterly. 21: 25–33. [9] Morley‚ R.L.‚ J.J. Havick‚ and G.S. May. 1998. An evaluation of the Georgia Tech summer undergraduate program of research in electrical engineering for minorities. Journal of Engineering Education. 87(3): 321– 325. VI. CONCLUSIONS The past 30 years have seen a dramatic growth in the number of students involved in undergraduate research; however‚ there have 156 Journal of Engineering Education
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Diffusion‚ Osmosis‚ Active Transport There are two ways in which substances can enter or leave a cell: 1) Passive a) Simple Diffusion b) Facilitated Diffusion c) Osmosis (water only) 2) Active a) Molecules b) Particles Diffusion Diffusion is the net passive movement of particles (atoms‚ ions or molecules) from a region in which they are in higher concentration to regions of lower concentration. It continues until the concentration of substances is uniform throughout. Some major examples of diffusion
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