Molybdenum Disulfide
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- Category: Molybdenum knowledge
- Published on 20 August 2013
- Written by 陈桂兰
- Hits: 668
Molybdenum disulfide, the most common natural form of molybdenum, is extracted from the ore and then purified for direct use in lubrication. Molybdenum disulfide because of its layered structure is an effective lubricant. When MoS2 particles are located between moving surfaces the MoS2 layers slide over each other, permitting the surfaces of steel and other metals to move fluidly, even under severe pressures, as bearing surfaces. Since molybdenum disulfide is of geothermal origin, it has the durability to withstand heat and pressure. This is particularly so if small amounts of sulfur are available to react with iron and provide a sulfide layer which is compatible with MoS2 in maintaining the lubricating film.Molybdenum disulfide will perform as a lubricant in vacuo where graphite fails.
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