【Know Molybdenum】Factors for Molybdenum Disulfide Oxidation
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- Category: Molybdenum knowledge
- Published on 07 February 2021
- Written by Shuxia
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Molybdenum disulfide (MoS2) is an inorganic substance, which has excellent lubrication on equipment under high temperature, low temperature, high load, high speed, chemical corrosion and ultra-high vacuum conditions. It starts to oxide at a temperature higher than 450°C. The influencing factors of oxidation are as follows:
1. Temperature
MoS2 starts to oxidize at 450°C, and the oxidation product is molybdenum trioxide. The higher heating temperature, the greater amount of oxidation; the longer heating time at a certain temperature, the greater amount of oxidation.
2. Granularity
The oxidation is greatly related with its particle size. The smaller particle size, the greater oxidation amount at a certain temperature and the same time.
3. Humidity
MoS2 gradually oxidizes at a certain temperature, and the participation of water will promote the oxidation.
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