Abstract
Abstract
The present article investigates experimentally the effect of natural frequency of the experimental set-up on the friction property of copper. To do so, a pin-on-disc apparatus having the facility of vibrating the test samples at different directions, amplitudes, and frequencies was designed and fabricated. The natural frequency of the set-up was varied by adding dead loads of the set-up from 0 kg to 490.33 N. At each added load the friction coefficient has been measured. Results show that both the natural frequency and friction coefficient decrease with the increase of added loads. It has also been observed that the coefficient of friction increases with the increase of natural frequency of the experimental set-up. The experimental results are also compared with those available in literature and simple physical explanations are provided.
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