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What are the uses of molybdenum?

  • Mosten
  • 10 Sept

1. Steel additives

As an alloy additive for steel, it is the most important use of iron and steel, and the steel containing the steel accounts for 1/10 of the world molybdenum crude steel production. Alloy steel: It has the largest consumption of steel, accounting for 44% of the total consumption of the world, accounting for more than half of the amount of steel added. Stainless steel: It accounts for about 22% of the total consumption, and is usually 4-5% by weight, and is often used in the place of anti-erosion and corrosion-proof. Such as oil refining, natural gas wells and severe corrosion in oil wells, aircraft engines, marine equipment, chemical equipment, etc.

2. The molybdenum and the molybdenum alloy, They are used in an amount of about 6 per cent of the world molybdenum total consumption. has the advantages of high melting point, high boiling point, good high-temperature strength, anti-friction and corrosion resistance, high thermal conductivity, small thermal expansion coefficient, good hardenability and the like, During the re-entry of the recovered satellite, the hot air flow must be overcome. Therefore, it is required to be able to withstand the environment of vibration, impact, vacuum, radiation and temperature alternation, and the base-base alloy is used to make the skin of the stable skirt of the satellite recovery tank. The TZM (Titanium Zirconium Molybdenum) alloy is also used to make the nozzle of a solid fuel rocket engine for a cosmic rocket or space shuttle, a nose cone of a rocket, a leading edge of an aircraft, a rudder, a heat shield, a honeycomb structure, and the like.

3. This item accounts for about 10% of the total consumption, about half of which is a lubricant. and secondly, a catalyst, a pigment, an anti-corrosion agent, a reagent and the like 1) Lubricants: high-purity graphite powder is suitable for wide application range, heavy-load, direct-air and radiation-proof. and the like has the advantages of being widely used as the king of solid lubrication 2) Catalyst: The sulfur compound is one of the most widely used catalysts, and in 1910, Badisha, the United Kingdom, issued a patent for the use of a sulfur compound as a catalyst for ammonia synthesis. to date, nCo2O3mMoO is still widely used in the ammonia synthesis industry, and is used as a raw material gas oil hydrogenation and desulfurization catalyst 3) pigment: the most commonly used inorganic yellow pigment in the world today is yellow and yellow. Lead, chromium, and sulfur are highly toxic. In the voice of environmental protection, the development of non-toxic pigment is very important (4) Microfertilizer: the plant organism is composed of more than 60 elements, and the nitrogen, the potassium and the potassium are the plant three-element fertilizer. The few elements of boron, manganese, zinc, copper, cobalt, sulfur, and iodine are known as seven trace of nutritional elements and are beginning to be noted 5) Other: dark glasses for solar energy conversion. For efficient photothermal solar conversion, a high solar absorptance is required to match a high infrared reflectance, while a black film is the best material currently.