Abstract

A simple machine is described which is used for the investigation of wear phenomena at vibrating contacts. It is shown theoretically how the frictional forces at the contacts can be measured and the experimental tests substantiate the theory. Some friction measurements are given which were obtained using brass specimens immersed under silicone oils having a wide range of viscosities. It was found that the friction was least for the medium viscosity oils. The higher friction with the high viscosity oils arose because these oils were pushed aside from the contacts, and with the lowest viscosity oils because they were not as effective in preventing the growth of intermetallic welds as the medium viscosity oils.

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