Where are titanium and titanium materials used?

Titanium and its alloys have many advantages such as light weight, high strength, high heat resistance, corrosion resistance and so on. It is known as the metal of the future and is a new structural material with development prospects. Titanium and its alloys not only have very important applications in aviation and space navigation industry, but also have begun to be widely used in chemical industry, petroleum, light industry, metallurgy, power generation and many other industrial sectors. Another remarkable characteristic of titanium is strong corrosion resistance, which is due to its affinity for oxygen, can generate a layer of dense oxide film on its surface, can protect titanium from medium corrosion. Titanium can form passivated oxide films on the surface in most aqueous solutions. Therefore, titanium has good stability in acidic, alkaline, neutral salt aqueous solution and oxidizing media, better than the existing stainless steel and other non-ferrous metals corrosion resistance, and even can be compared with platinum. However, if the titanium surface oxide film can be continuously dissolved in a medium, titanium will be corroded in this medium. For EXAMPLE, TITANIUM IS CORRODED IN hydrofluorIC ACID, CONCENTRATED OR HOT HYDROCHLORIC ACID, SULFURIC ACID, AND PHOSPHORIC ACID BECAUSE THESE solutions dissolve the oxide film ON THE TITANIUM SURFACE. If oxidants or some metal ions are added to these solutions, the oxide film on the surface of titanium will be protected, and the stability of titanium is increased at this time. Titanium in chemical industry has good stability in all kinds of acid, alkali and salt media, except for the above four kinds of inorganic acids and highly corrosive aluminum chloride. Therefore, titanium is an excellent corrosion resistant material in the chemical industry and has been used more and more widely. For example, in the chlor-alkali industry, the use of titanium metal anode and titanium wet chlorine gas cooler, received very good economic results, known as a great revolution in the chlor-alkali industry. In addition to the five organic acids (formic acid, acetic acid, oxalic acid, trichloroacetic acid and trifluoroacetic acid) with relatively high temperature, titanium in the petroleum industry has very good stability. Therefore, titanium is an excellent structural material in petroleum refining and petrochemical industry, which can be used to make a variety of heat exchangers, reactors, high pressure vessels and distillation towers. Metallurgical industry titanium is an active metal, with good suction performance, is an excellent degassing agent in steelmaking industry, it can combine steel in the cooling of oxygen and nitrogen precipitation. A small amount of titanium (<0.1%) is added to steel to make it strong and elastic. Titanium is also an important alloy additive in steelmaking, aluminum smelting and other industries. Titanium is a common superconducting material because of its superconductivity. In addition, titanium has good stability in acidic solutions containing metal ions, so titanium in the hydrometallurgical industry, such as copper, nickel, cobalt, manganese and other non-ferrous metals in the electrolytic production, has a very wide range of applications. Urea in chemical fertilizer industry is an important chemical fertilizer, urea, ammonia, ammonium carbamate and their mixture in the production process, under the condition of high temperature and high pressure is very corrosive, the use of titanium instead of stainless steel equipment life greatly increased, maintenance time greatly reduced. So at present, the main equipment in urea production uses titanium. Desalination and shipbuilding Titanium resists seawater corrosion better than all other metals, with exceptional stability in both stationary and fast-moving seawater. Therefore, titanium is an ideal material for desalination plants. Titanium will be increasingly used in this field. Titanium has strong corrosion resistance to sea water and sea air, high strength and light weight. It is an ideal structural material in shipbuilding industry and has been widely used in many parts of various ships and deep-water submarines. Titanium in the electric power industry contains chloride, sulfide and many other corrosive hot water has better stability, so titanium has been a large number of thermal power plants used as heat exchanger cooling pipe. After replacing the CU-Ni alloy tube with thin-walled titanium tube, not only the service life is greatly increased, but also the maintenance time is greatly reduced, and the economic effect is very remarkable. Titanium in paper and textile industry has special corrosion resistance to chlorine dioxide, chlorite, chlorite and other bleaching agents. Therefore, titanium has an important application in bleaching equipment of textile printing and dyeing industry and paper industry. For example, the sub-bleaching machine made of titanium is very effective. At the same time, there are synthetic fiber and other industrial used as a spinneret.

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