Water lubrication is quite promising in the field of lubrication since it is pollution free, low in cost and can be easily maintained. However, water has a low viscosity, strong cavitation erosion, poor lubricity, etc. In addition, friction pairs used under the condition of water lubrication are vulnerable to erosion and suffer serious abrasion. All of these have limited the application of water lubrication. Therefore, the development of friction pair materials with excellent anti-wear and anti-erosion properties under water lubrication has become a key problem to be solved in water lubrication.
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