Molybdenum Usage in Aviation and Nuclear Industry
- Details
- Category: Molybdenum knowledge
- Published on 23 September 2013
- Written by 陈桂兰
- Hits: 528
Molybdenum alloys due to excellent heat resistance and high temperature mechanical properties, can be used for aircraft engine and the combustion chamber flame director, Aerospace Liquid rocket engine pipes, nozzles and valves, to return to the end of the first aircraft, satellites and spacecraft skin, ship-oriented films and wing and protective coating materials, molybdenum low coefficient of thermal expansion and thermal conductivity properties, in strong light under the action of solar radiation particularly good dimensional stability, metal molybdenum mesh Zuocheng satellite antenna, can be maintained parabolic shape of its total, while lighter than graphite composite antenna. Cruise missiles using molybdenum coating for steam turbine rotor material, high temperature at 1300 ℃ to work up to 4-6 million per minute speed turn, has shown good results.
Mo neutron absorption cross section is small, has good strength, good stability of the nuclear fuel, liquid metal corrosion resistance is good, in nuclear fusion reactors for converters armored protection film components. Mo-Re alloy can be used in space nuclear reactors thermionic energy converter sheath materials, heaters, reflectors and other wire or sheet metal components.
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