Epdm Rubber Coefficient Of Friction

Dry rubber dry steel 0 80 0 76 0 95 dry rubber greasy steel 0 80 0 76 0 95.

Epdm rubber coefficient of friction.

Both cof and wear rates of the epdm mixes strongly depended on the test configurations. Bowden tabor the friction and lubrication of solids oxford. Fric tion force normal load and coefficient of friction cof were determined. The resistance to polar substances and steam are also good.

The coefficient of frictions cof and specific wear rates of the epdms were determined. The maximum force of static friction can be calculated by multiplying the normal force by the coefficient of friction specific to the pair of materials in contact. A similar tendency was found for the cof in rop tests. The coefficient of static friction typically denoted as μ s is usually higher than the coefficient of kinetic friction.

The frictional force can be expressed as. Static friction is friction between two or more solid objects that are not moving relative to each other. F f frictional force n lb. F f μ n 1.

Epdm rubber has a common use as seals in automobiles. Rubber epdm was measured in an oscillating rolling ball steel on plate rubber configuration oscillating rbop and simulated by fem. Studies in the literature suggest that the cof between a dry epdm. Further aim of this work was to investigate on how the friction and wear properties of the epdm rubbers depend on the configuration of the testing rigs.

N normal force between the surfaces n lb there are at least two types of friction forces. Hardness shore a polymer compound type coefficient of friction. The friction force is the force exerted by a surface when an object moves across it or makes an effort to move across it. μ static μ s or kinetic μ k frictional coefficient.

Dry steel dry steel 0 70 0 57 0 80. The results of the tests and the simulations were compared with each other and discussed. The friction coefficient cof of the epdm seal and plate was not experimentally measured and is therefore unknown in this study. For example static friction can prevent an object from sliding down a sloped surface.

In the present work friction and sliding wear behaviors of indigenously developed ethylene propylene diene monomer rubber epdm of different hardness have been studied against steel counterpart in dry condition. It was found that with increasing cb content the specific wear rate was reduced.