Sentence examples for both the friction coefficient from inspiring English sources

Both the friction coefficient and wear rate firstly decreases and then slightly increases with the increasing normal load.

However, both the friction coefficient and endurance life of DLC films are not sufficient depending on the application environment.

Such composites can offer considerable potential for engineering applications such as bearings and slideways where they can reduce both the friction coefficient and the wear rate.

In running-in, the oil film thickness can be so thin that contact arises at the summit of asperities, thus, increasing both the friction coefficient and wear.

The hardness of the films increases monotonically with increasing boron content and both the friction coefficient and the wear rate increase with increasing the hardness.

The results indicate that both the friction coefficient and the wear rate of the former are lower than those of the composites without three-layered structure in the same tested conditions.

Results indicated that both the friction coefficients and wear rates of CNFs/PI/EP nanocomposites were lower than the other two comparative materials at various loads and velocities.

Both the friction coefficients and wear rates of the Cr/GLC films in seawater decreased with the increase of dimple area densities in the lower range, whereas, they were constant when the dimple area densities further increased.

Both the friction coefficients and the wear rates of GLC films in ambient air and water decreased with increasing voltages in the lower bias range (0 -300 V), however, they were constant for higher bias values (beyond −300 V).

Both the friction coefficients and wear rates of CrCN coatings in ambient air, distilled water and seawater decreased with the increase of bias voltages in the lower range, whereas, they were constant when the bias voltage increased to the high level.

Both FMs reduced the friction coefficient.