With an attempt to study the effect of magnetic fluids in ferrography on the deposition of non ferromagnetic particles, the working conditions of steel copper friction pairs were monitored.
以钢-铜试件对磨后获得的油样为例进行铁谱对比实验，研究了磁流体在非铁磁性磨粒监测方面的应用。
In order to assure results correctness the requirement for system is that friction wear of metal pairs must be a little, even omitted.
测量系统要求金属配副磨损量应很小，甚至可以忽略，以确保结果的准确性。
Under a wide range of P and V value, there are very low friction coefficient and wear, high dimensional stability for coating-metal pairs and no any damage during the test of nylon coating.
涂层在较大的P、V值范围内与各类配副均具有极低的摩擦系数和磨损量以及很高的尺寸稳定性；长期工作过程中，涂层未出现任何破坏现象。
Under a wide range of P and V value, there are very low friction coefficient and wear, high dimensional stability for coating-metal pairs and no any damage during the test of nylon coating.
涂层在较大的P、V值范围内与各类配副均具有极低的摩擦系数和磨损量以及很高的尺寸稳定性；长期工作过程中，涂层未出现任何破坏现象。
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