NICHIMOLY Industrial Products Catalog Vol.6
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■Characteristics of molybdenum disulfide (MoS2)5 By adding it during the brake pad manufacturing process, it is expected to suppress stick-slip and reduce brake noise.Excellent extreme-pressure properties Since molybdenum disulfide (MoS2) is a soft mineral, it penetrates and fills the fine irregularities of metal surfaces. This increases the surface area of molybdenum disulfide (MoS2), which allows distribution of pressure.Other applicationsSource: Solid Lubrication Handbook (Saiwai Shobo) 1978Sliding state of playing cardsLoadLoadCompositionS=Mo=SSpecific gravity4.8Hardness1 (Mohs scale) ColorGrayish blackCoefficientof frictionLoadresistanceTemperatureconditionsChemicalresistanceHeatresistanceCorrosionresistanceHigh vacuumresistance0.04Approx. 30,000kg/cm2-180˚C~400˚CExcellent (except aqua regia, hot sulfuric acid, hot nitric acid.)-180˚C~400˚C in atmosphere, and up to 1090˚C for low friction in inert gases.Anti-frettingMaintains excellent lubrication even in high vacuum of 10-8torr or more, as well as high-density radiation.Sintering is the process of compacting powdered materials through baking. Molybdenum disulfide (MoS2) powder is added to enhance the lubricating performance of sintered parts.Mo atomMolybdenum disulfide (MoS2) is added to improve wear resistance of lubricant coating used in places where grease or oil cannot be used.S atomCrystal structure of molybdenum disulfide (MoS2)Lubricant coatingSliding mechanism in Molybdenum disulfide (MoS2)Reasons for good sliding properties of molybdenum disulfide (MoS2)Molybdenum disulfide (MoS2) is a mineral with a lead-colored luster. Its molecular layers are 1 µm thick, and its particles consist of over 1,600 overlapping thin layers in a layered structure. When subjected to a load, these layers shift in a specific direction, making it an excellent solid lubricant known for its superior sliding properties.Sintered parts・As additive for improving lubricating performance ofoil or grease・As raw material for improving wear resistance ofcarbon brushes and powder metallurgy Brake pads・As raw material for improving self-lubricatingproperty of resin and rubber materials ・As lubricant for plastic work (e.g., wire drawing) Characteristics of molybdenum disulfide (MoS2) Excellent wear resistance and low friction properties The bonds between MO (molybdenum) and S (sulfur) are strong, whereas the bond between S atoms is extremely weak, allowing the layers to easily slide over each other. This sliding occurs with minimal force under applied loads, resulting in low friction between objects with molybdenum disulfide acting as an intermediary.Places where molybdenum disulfide (MoS2) powder is usedMolybdenum disulfide (MoS2) powder

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