Molybdenum News Center

Since molybdenum alloy has excellent heat resistance and high temperature mechanical properties, can be used for aircraft engines and combustion flame guides, spacecraft liquid rocket engine hoses, nozzles and valves, to return to the ends of the aircraft, satellites and spacecraft skinning, boat wing and guide pieces and protective coating materials, low coefficient of thermal expansion of molybdenum and good thermal conductivity, under intense solar radiation effects are particularly good dimensional stability, molybdenum metal mesh made ​​satellite antenna, can maintain its parabolic shape completely, while lighter than graphite composite antenna. Cruise missiles molybdenum coating materials for turbine rotors operate at 1300 ℃ high temperature, revolutions per minute up to 4-6 million transfer, has shown good results. 

 

Molybdenum small neutron absorption cross section, there is a good strength, good stability of the nuclear fuel, liquid metal corrosion resistant for protection sheet converter armored elements in nuclear fusion reactors. Mo-Re alloys thermionic energy converter for sheath material, a heater, a reflector plate, and other elements of silk or reactor space. 

 

Molybdenum and molybdenum alloy is an efficient multi other alloying elements can not only add in the steel exhibits a unique role, but also to generate excellent performance with a variety of non-ferrous alloys. 

 

Adding Ti, Zr, C molybdenum oxide or carbide, the formation of dispersion strengthened alloy TZM. TZM alloy except in aerospace and nuclear industries, but can also be used as a rotating anode X-ray parts, die casting molds and extrusion dies, when pressed copper alloy, its operating temperature at 870-1200 ℃. TZM alloy is also very suitable for stainless steel hot piercing plug, perforated pipe wall is good quality and long service life. Adding a small amount of rare earth elements TEM alloy has a higher recrystallization temperature ductility when compared with ordinary recrystallization five times higher molybdenum materials, there are good prospects. 

 

Titanium, zirconium, molybdenum and carbon alloy (MT-104) containing a carbon-containing hafnium and molybdenum alloy (HCM) and tungsten, hafnium and carbon-molybdenum alloy (HMW) has a higher strength, workability into rods, plate, forging stock and other products come in handy. Mo-30w is a solid solution alloy, the melting point to above 2800 ℃, as the molten metal and the valve shaft, fuel piping purification and electroplating zinc smelting apparatus, the stirring shaft, the pump impeller. Adding tungsten heavy alloy (90W-7Ni-3Fe) a certain amount of molybdenum, with its strength and hardness and increased molybdenum content, then continue reducing its ductility, can greatly improve the performance of the material as the armor-piercing weapons. 

 

Molybdenum carbide (Mo2C), and tungsten carbide mixed, proper lanthanum powder, sintered hard material, after a certain amount of crushing nickel carbide production methods generally used, the binder phase distribution is obtained is good, dense and fine-grained molybdenum carbide based cemented carbide. Metal binder phase using Co or Ni, can also generate complex molybdenum - tungsten carbide based cemented carbide. Molybdenum carbide can also be added to the cermet, in order to improve its performance.

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