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Application of molybdenum disulfide

  • Mosten
  • 23 Apr

Molybdenum disulfide is an important solid lubricant, especially suitable for high temperature and high pressure. It also has diamagnetism, can be used as a linear photoconductor and display P-type or N-type conductive properties of semiconductors, with rectifying and energy conversion. Molybdenum disulfide can also be used as a catalyst for dehydrogenation of complex hydrocarbons. It is also known as the "Advanced solid Lubricating Oil King." Molybdenum disulfide (Mo _ 2S) is a kind of solid powder made from natural molybdenum concentrate powder after chemical purification and change of molecular structure. This product has a slightly silver-gray color, metallic luster, greasy touch, insoluble in water. The product has the advantages of good dispersion and non-bonding, can be added to various oils and oils, forming an unbonded colloid state, can increase the grease lubricity and extreme pressure. Also suitable for high-temperature, high-pressure, high-speed and high-load mechanical working conditions, extended equipment life. The main function of molybdenum disulfide used in friction materials is to reduce friction at low temperature, to increase friction at high temperature, to burn less, and to volatilize in friction materials. Friction reduction: the particle size of molybdenum disulfide produced by supersonic flow comminution reaches 325? 500 mesh, the hardness of micro-particles is 1? 1. 5, and the friction coefficient is 0. 05? 0. 1. Therefore, it can be used to reduce friction in friction materials. Antifriction: molybdenum disulfide does not conduct electricity. There are copolymers of molybdenum disulfide, molybdenum trisulfide and molybdenum trioxide. When the temperature of friction material increases sharply because of friction, the Mo _ 2O _ 3 particles in the copolymer expand with the increase of temperature, and play a role of increasing friction. Anti-oxidation: molybdenum disulfide is synthesized by chemical purification and its PH value is 7? 8, which is slightly alkaline. It covers the surface of friction materials, can protect other materials, prevent them from being oxidized, especially make other materials not easy to fall off, and strengthen the adhesion force;

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molybdenum