CuMoS2 Powder for Powder Metallurgy

  CuMoS2 Powder for Powder Metallurgy       Copper-coated molybdenum disulfide, chemical formula CuMoS2, it is a kind of coated metal powder with the same appearance of pure copper.   Copper-coated molybdenum disulfide is an important solid lubricant, it is especially suitable for high temperature and high pressure conditions. Due to low friction coefficient of molybdenum disulfide, the frictional resistance generated between the equipment is low, so it can save the power consumption. In addition, molybdenum disulfide has features of moisture and water proofing, alkaline resistance, acid proofing etc.. The plastic or powder with molybdenum disulfide can be made into all kinds of mechanical parts, this can save a lot of non-ferrous metals.The solid lubricant of copper-coated molybdenum disulfide is really a new type lubricant material accords with More-Fast-Better-Economizing.   Fineness: 325-500 mesh SiO2: 0% PH value:7-8 Density: 4.8-5.0g/cm3 Hardness:1-1.5 Loss on Ignition:18-22% Friction Coefficient:0.05-0.09 Copper-coated molybdenum disulfide used as friction materials is mainly for low temperature anti-friction and high temperature friction-increasing, it features anti-oxidation, small loss on ignition and easy volatile. Anti-friction: The fineness of the copper-coated molybdenum disulfide processed by supersonic jet milling can reaches 325-500 mesh, micro-particle hardness 1-1.5, friction coefficient 0.05-0.1, so it can be used as friction material to reduce friction. Friction-increasing: During usage, there is copolymer  of copper-coated MoS2, MoS3 and MoO3 . When the temperature of the friction material increases rapidly because of friction, the MoO3  powder of the copolymer will expand with the temperature, this plays a role of friction increasing. Anti-oxidation:Copper-coated molybdenum disulfide is produced by chemical purification and intergrated reaction, its PH value is 7-8, slightly alkline. Copper-coated molybdenum disulfide covers the surface of the friction material to protect it from oxidation, and increase the affixing force to prevent detachment of the other materials. Besides, copper-coated molybdenum disulfide can also be used as the new material to make transistor. Compared with graphene which both belong to two-dimensional material, molybdenum disulfide has energy band gap1.8eV, but graphene has no energy band gap, so possibly molybdenum disulfide will have wide application in nano-transistor. What is more, the electronic mobility of the mono-layer molybdenum disulfide transistor can reach about 500 cm^2/(V·s), and the current switching rate can reach 1×10^8.  

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