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At this stage we are committed to the field of solid lubrication applications of molybdenum disulfide.


Solid lubricating materials are measures for coating (plating) solid materials on a friction interface to reduce friction and reduce wear. This solid material that reduces friction and reduces wear is called a solid lubricating material.


Molybdenum disulfide solid lubrication applications are widely used and cannot be replaced by conventional lubrication methods under a variety of extreme conditions:


1. Lubrication under wide temperature conditions: The range of application of lubricating oil and grease is about 60 ° C to 350 ° C. Solid lubricants can be adapted to operating temperatures ranging from 270 ° C to over 1000 ° C.


2. Lubrication under wide speed conditions: All kinds of solid lubricating film can adapt to a wide range of motion speed between friction pairs. In the case of high-speed movement, common lubricating oil and grease must have a complicated lubrication system to meet lubrication. Need. The solid lubricating film only needs to be on the surface of the friction pair to meet the lubrication requirements at high speeds.


3. Lubrication under heavy load conditions: general oil and grease oil film can only withstand relatively small loads. Once the load exceeds the limit it can withstand, the oil film breaks and the friction surface will bite. The solid lubricating film can withstand an average load of more than 108 Pa. For example, a molybdenum disulfide film having a thickness of 2.5 μm can withstand a pressure of 2800 MPa or more.


4. Lubrication under vacuum conditions: Under (high) vacuum conditions, the general lubricating grease has a large evaporability, which easily damages the vacuum environment and affects the working performance of other components. Generally, it is lubricated with a solid lubricating material.


5. Lubrication under radiation conditions: Under radiation conditions, liquid lubricants generally polymerize or decompose and lose lubricity. Solid lubricants have better radiation resistance. For example, graphite does not undergo a detectable change after being irradiated by such strong neutron rays as 1020/cm3.


6. Lubrication of the conductive sliding surface: the friction of the conductive sliding surface such as the motor brush, the conductive slider, the solar collector ring on the artificial satellite working in vacuum and the sliding electrical contact can be made of carbon graphite or metal. The composite material is lubricated, and no lubricating oil or grease can be used.


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