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Silver what is molybdenum

作者: vch11348984
發(fā)布于: 2021-04-14 14:42
Classification News Industry news

What is molybdenum? Molybdenum is a metallic element, which was discovered by elm in 1782. Molybdenum (m) ù) It is a necessary trace element for human body, animals and plants. It is silver white metal, hard and tough. All kinds of tissues of human body contain molybdenum, the total amount in human body is 9mg, and the content in liver and kidney is the highest

Element description:

silver white metal, hard and tough. 2 g / cm3. The melting point is 2610 ℃. The boiling point is 5560 ℃. The combined price is + 2, + 4 and + 6, and the stable price is + 6. The first ionization energy is 7.099 ev. It is not eroded by air at normal temperature. It does not react with hydrochloric acid or hydrofluoric acid.

Element source:

Molybdenite (MoS2) is the main source of elements. Molybdenite is calcined into molybdenum trioxide and then reduced by hydrogen or aluminothermic method

Molybdenum is hard and soft. It is more tough than tungsten. Molybdenum has high elastic modulus, and molybdenum plate is used in many special steels. Other common uses are molybdenum electrodes, vacuum furnace applications, nuclear power, missile and aircraft parts.

 

The thickness of molybdenum plate ranges from 00.090 inches to 3 inches and is classified as molybdenum plate. Molybdenum plate is widely used in mold and parts furnace construction, electronic and semiconductor industry parts manufacturing. As a power semiconductor compensation chip, molybdenum has superior conductivity and low surface damping resistance due to its similar expansion coefficient with silicon single crystal.

 

Appearance of molybdenum plate: silver gray metallic luster

Specification: BCM = 9.9 (0.3-10) (60-400) above 800

Content: molybdenum content 99.95% ~ 99.6%, impurity content ≤ 0.04%

Density: the density of molybdenum in molybdenum plate is 10.2g/cm3

Performance: corrosion resistance

Process: extrusion, forging, rolling

Use of elements:Pure molybdenum wire is used in high temperature electric furnace; Molybdenum sheet is used to make radio equipment and X-ray equipment; Molybdenum addition in alloy steel can improve the elastic limit, corrosion resistance and maintain permanent magnetism. Molybdenum is one of the seven micronutrients needed in plant growth and development. Without it, plants cannot survive. Animals and fish, like plants, need molybdenum as well.

The main consumption area of molybdenum is iron and steel industry. In developed countries, more than 80% of molybdenum is used as the additive element of iron and steel, and only about 20% of molybdenum is used to make metal molybdenum, super alloy and special alloy, chemical products, etc., which are consumed in petrochemical, light industry, electronics and some high-tech fields.

Molybdenum and molybdenum alloy bars (bars), wires, plates, belts, foils and shaped products are widely used in metallurgy, machinery manufacturing, electronics, lighting and some high-tech fields. Such as lighting filament bracket, mandrel wire, reflective screen; Anode, grid, auxiliary electrode and gasket for electronic industry; Containers, vessels and heaters used in vacuum electroplating and sputtering; Heating element, electrode and heat shield for high temperature furnace.