Application of solid lubricating molybdenum disulfide
As early as the 19th century, the molybdenum chemical industry first appeared.
With the rapid development of the petroleum industry, automobile industry, light industry, and machinery industry in the middle of the 20th century, the development of molybdenum chemicals and molybdenum fine chemicals was further promoted, and the development of molybdenum fine chemicals was further promoted. Extension of the field. Molybdenum disulfide MoS2 Powder is an important member of molybdenum chemicals. It has unique physical and chemical properties. It has always been known as the "king of lubrication" in the field of lubrication. It is used in petroleum hydrodesulfurization catalysts, photoelectrochemical cells, and non-aqueous lithium The application of batteries, new elastomer materials, and coatings has always been a subject of extensive research.
1. As a bonded solid lubricating film
The bonded solid lubricating film has excellent solid lubricating properties. The solid lubricant can be firmly bonded to the surface of the substrate by using the bonded solid lubricating film, thereby effectively preventing the adhesion of the metal parts. It can achieve effective lubrication in special environments where conventional grease is not suitable for use, so it is widely used in environments such as vacuum, high and low temperature, inflammable and explosive, and strong oxidation.
2. Change the lubrication properties of composite materials
Molybdenum disulfide can improve the rigidity, hardness, and lubricity of thermoplastic resins, and has little effect on the properties of thermosetting resins. Self-lubricating composites containing refractory metals based on molybdenum disulfide have high mechanical strength, low friction and wear resistance, and other characteristics, suitable for the production of anti-friction parts under special working conditions such as high vacuum.
3. As a lubricating grease additive
Molybdenum disulfide has been widely researched and applied as a lubricating grease additive. Molybdenum disulfide MoS2 powder can significantly improve the load-bearing capacity and anti-friction performance of the grease, but it does not affect the oxidation stability and corrosiveness of the grease. In addition, even if it is Among the grease containing impurities such as dust, molybdenum disulfide still has good lubricating properties.
At present, the proportion of foreign molybdenum disulfide used as a lubricant in various fields is 20% in the automotive industry (parts and fixture lubrication), aerospace industry (vacuum anti-radiation lubrication) 5%, industrial machinery (general lubrication) 50%, composite Material industry (parts preparation lubrication) 15%, metallurgical industry (powder lubrication) 5%, other 5%.
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