2014年12月9日星期二

Titanium and titanium alloy material is one of the most promising metal in the 21st century's

Titanium is a refractory metal of a light metal, a density of 4.5 g / cm3, 57% only of iron. Strength titanium alloy with high strength comparable to steel, but also has good heat resistance and low temperature performance, long-term work at certain alloy between 450 ℃ ~ 550 ℃ and minus 250 ℃. Titanium has good salt tolerance classes, the ability to seawater and nitric acid corrosion, Ti-30M alloy is resistant to high concentrations of hydrochloric acid and sulfuric acid corrosion. These advantages of titanium, titanium deserved to be called a "space" metal, "Ocean" and the following metal steel, aluminum metal after the third and so on.

Titanium is very versatile, as the "space" of metal, titanium standard parts is used as aircraft, rocket engine materials, structural materials, such as skin and various pipe joints. A Boeing 747 aircraft with 42.7 tons of titanium, titanium 57 t 777, 777ER aircraft titanium even up to 68 tons, F-15 fighter jets also up 24.5 tons of titanium. The United States in the 21st century superiority fighter F-22 is the only large-scale use of titanium ensures excellent its various properties.

As a "sea" of metal, titanium is currently able to mass-produced, the lowest price, and almost entirely free from metal sea erosion. Extensive use of the former Soviet nuclear submarine manufacturing titanium shell, the 3680-ton Alpha submarines, each ship 560 tons of titanium, medical titanium alloy Typhoon-class missile submarines 9000 tons. After using these submarines Titanium has a non-magnetic, dive deep (up to 900 m), fast speed, low noise and less maintenance times and so on. Titanium is also used extensively for offshore oil open using pipelines, nuclear power plants and fire station in the condenser. In the 21st century, the development of new marine industry, titanium spring wire is bound to play a major role in safeguarding.

Titanium used in the petrochemical industry, but has a pivotal role. Titanium and titanium alloys are widely used to produce acetaldehyde production process and the heat exchange reactor, the urea synthesis column production, wet chlorine gas cooler, chlor-alkali and chlorate electrolysis electrode, the production of ammonia soda ash cooling towers, nitrate Production of heat exchangers, reactors and distillation column. Titanium and its alloys in these areas are irreplaceable.
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