TITANIUM trabajo esther

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by cynthiaris265671d9cfaea98
Last updated 3 years ago

Discipline:
Science
Subject:
Chemical Elements

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TITANIUM trabajo esther

Hard , strong and light...Titanium is a chemical element with symbol Ti and atomic number 22. It is a lustrous transition metal with a silver color, low density and high strength. It is highly resistant to corrosion in sea water, aqua regia and chlorine.Titanium was discovered in Cornwall, Great Britain, by Willian Gregor in 1791 and named by Martin Heinrich Klaproth for the Titans of Greek Mythology.The element occurs within a number of mineral deposits, principally rutile and ilmenite, which are widely distributed in the Earth's crust and lithosphere, and it is found in almost all living things, rocks, water bodies, and soils. The metal is extracted from its principal mineral ores via the Kroll process or the Hunter process. Its most common compound, titanium dioxide, is a popular photocatalyst and is used in the manufacture of white pigments.Other compounds include titanium tetrachloride (TiCl4), a component of smoke screens and catalysts; and titanium trichloride (TiCl3), which is used as a catalyst in the production of polypropylene.The two most useful properties of the metal are corrosion resistance and the highest strength-to-density ratio of any metallic element. In its unalloyed condition, titanium is as strong as some steels, but less dense. There are two allotropic forms and five naturally occurring isotopes of this element, 46Ti through 50Ti, with 48Ti being the most abundant (73.8%). Although they have the same number of valence electrons and are in the same group in the periodic table, titanium and zirconium differ in many chemical and physical properties.Titanium can be alloyed with iron, aluminium, vanadium, and molybdenum, among other elements, to produce strong, lightweight alloys.

Titanium, a metal with the best combination of features.

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TITANIUM USES

Titanium – Aerospace ApplicationsTitanium is used in engine applications such as rotors, compressor blades, hydraulic system components and nacelles. Titanium 6AL-4V alloy accounts for almost 50% of all alloys used in aircraft applications.Due to their high tensile strength to density ratio, high corrosion resistance, and ability to withstand moderately high temperatures without creeping, titanium alloys are used in aircraft, armor plating, naval ships, spacecraft, and missiles. For these applications titanium alloyed with aluminium, vanadium, and other elements is used for a variety of components including critical structural parts, fire walls, landing gear, exhaust ducts (helicopters), and hydraulic systems. In fact, about two thirds of all titanium metal produced is used in aircraft engines and frames.Titanium – Industrial ApplicationsTitanium is used in engine applications such as rotors, compressor blades, hydraulic system components and nacelles. Titanium 6AL-4V alloy accounts for almost 50% of all alloys used in aircraft applications.Due to their high tensile strength to density ratio, high corrosion resistance, and ability to withstand moderately high temperatures without creeping, titanium alloys are used in aircraft, armor plating, naval ships, spacecraft, and missiles. For these applications titanium alloyed with aluminium, vanadium, and other elements is used for a variety of components including critical structural parts, fire walls, landing gear, exhaust ducts (helicopters), and hydraulic systems. In fact, about two thirds of all titanium metal produced is used in aircraft engines and frames.Titanium – Consumer and Architectural ApplicationsTitanium metal is used in automotive applications, particularly in automobile or motorcycle racing, where weight reduction is critical while maintaining high strength and rigidity. Titanium is used in many sporting goods: tennis rackets, golf clubs, lacrosse stick shafts, cricket, hockey, lacrosse and football helmet grills, and bicycle frames and components. Titanium alloys are also used in spectacle frames. The two most common Titanium alloys used in the cycling industry are 6AL-4V (Grade 5) and 3AI-2.5V (Grade). These two different alloys are both high strength Titanium and are both fairly common in the Industry.Titanium – Medical ApplicationsBecause it is bio-compatible (non-toxic and is not rejected by the body), Titanium is used in different medical applications including surgical implements and implants, such as hip balls and sockets (joint replacement) that can stay in place for up to 20 years. Titanium has the inherent property to osseointegrate, enabling use in dental implants that can remain in place for over 30 years. This property is also useful for orthopedic implant applications. Titanium is also used for the surgical instruments used in image-guided surgery, as well as wheelchairs, crutches, and any other products where high strength and low weight are desirable. The unique qualities of titanium also prove to be MRI (Magnetic Resonance Imaging) and CT (Computed Tomography) compatible.


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