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The MoS2 film on the wear track tended to build up around the highest metallic asperities

The MoS2 film on the wear track on the sandblasted substrate tended to build up around the highest metallic asperities. A typical region on the track. Smooth, compacted M0S2 and flat, metallic asperity plateaus can be seen. As in moist air, the interaction of the sharp, sandblasted asperities (during run-in) with the rider was the most likely reason for the greater initial rider wear when sliding on the sandblasted substrate. After the run-in, the lubrication mechanism was the plastic flow of the MoS2 films between the flat asperity plateaus and the flat rider scar. As sliding progressed, the M0S2 in the contact region was gradually depleted, causing the metallic asperity plateaus to wear and thereby exposing new lubricant deeper in the valleys. A high-magnification photomicrograph that illustrates the lubrication mechanism of M0S2 films applied to sandblasted substrates. The photomicrograph, taken after 1700 kilocycles of sliding, shows a flat, metallic plateau with thin films of M0S2 flowing over it. The MoS2 is supplied from the valleys, becomes compressed in the entrance region of the plateau, and eventually coalesces into a very thin film as it flows across the plateau and then is deposited in a following valley. The same process occurs on the rider, which is also a flat, metallic plateau – but much larger. The MoSz builds up in the entrance region of the rider scar, compresses, and eventually merges as it flows across the rider scar and is deposited in the exit region. If you are looking for high quality, high purity, and cost-effective Molybdenum disulfide or the latest price, please email contact mis-asia.

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