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Effect of Contact Load on Friction

A number of investigations have been made into the influence of contact load on the frictional properties of molybdenum disulphide. Puchkov and Pashkov used a technique which they claimed to differentiate between shear stress and surface friction. They studied the effect of varying compressive stress on the resistance to [Pg.51]

The form of this relationship inorganic compounds by Bridgeman [Pg.52]

Akaoka and Nitanai ° carried out similar studies, but used a thicker film and obtained much lower shear strengths. They found a non-linear relationship [Pg.53]

This exactly follows the relationship found experimentally by several investigators, and provides strong support for the generally-accepted view that the low friction of molybdenum disulphide is due to easy shear between lamellae. [Pg.53]

The discussion so far has considered only the problem of slip taking place between adjacent lamellae in a single crystal, or in some other form in which the interaction between lamellae simulates their behaviour in a single crystal. The same arguments will not necessarily apply to the practical case of sliding which takes place between two components lubricated with molybdenum disulphide. [Pg.53]


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