What Is The Main Use Of Titanium?

Titanium is a transition metal and has been considered a rare metal for some time. Since the 1940s, titanium and its compounds have been widely used in aircraft, rockets, missiles, satellites, spacecraft, naval ships, military, medical and petrochemical fields. Because titanium has high melting point, high hardness, strong plasticity, small density, corrosion resistance and other advantages; Titanium looks like steel and has a silvery gray light translation. The strength of titanium is high, and the tensile strength of titanium alloy is 180kg/mm3. The characteristics of titanium are low density (4.51g/cm3), high hardness, high melting point (1675℃), high purity titanium has good plasticity, but when there are impurities become brittle and hard. At room temperature, titanium does not interact with chlorine, dilute sulfuric acid, dilute hydrochloric acid and nitric acid, but can be eroded by hydrofluoric acid, phosphoric acid and molten alkali. Titanium is easily dissolved in H2SO4, and the most outstanding property of titanium is its strong corrosion resistance to seawater. Titanium makes up about 0.42% of the total weight in the Earth's crust, ranking seventh in the metal world, with more than 70 minerals containing titanium. At present, titanium has been widely used in aircraft, rockets, missiles, satellites, spacecraft, ships, military industry, light industry, chemical industry, textile industry, medical treatment and petrochemical industry and other fields.

Very fine titanium powder, is a good fuel for rockets; The corrosion resistance of titanium is 15 times stronger than the commonly used stainless steel, and the service life is more than 10 times longer than that of stainless steel. The use of titanium in surgery is also very interesting. At present, the surgical bone is set with stainless steel, the use of stainless steel has a disadvantage, is the bone healing, to take out the stainless steel sheet again, this is a very painful thing. Otherwise, stainless steel will be harmful to human body due to rust. Switching to titanium "artificial bone" will completely change orthopedic technology. At the head of the damage, using titanium plate with titanium screws, after several months, bones will grow back in titanium plate holes and screw, new muscle fibers are wrapped in titanium sheet, titanium skeleton like a real bones and flesh of support and reinforcement effect, so, titanium has been hailed as "metal". Now it has begun to be used in knee joint, shoulder joint, rib joint, cranium, active heart flap, bone fixation clip and so on

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