Effect of Load and Sliding Velocity on Friction Coefficient of Aluminum Sliding Against Different Pin Materials

  • Muhammad Nuruzzaman D
  • Asaduzzaman Chowdhury M
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Abstract

In the present research, friction coefficients of aluminum sliding against different pin materials are investigated and compared. In order to do so, a pin on disc apparatus is designed and fabricated. Experiments are carried out when different types of pin such as aluminum, copper and brass slide on aluminum disc. Experiments are conducted at normal load 5, 7.5 and 10 N, sliding velocity 0.5, 0.75 and 1 m/s and relative humidity 70%. Variations of friction coefficient with the duration of rubbing at different normal load and sliding velocity are investigated. Results show that friction coefficient varies with duration of rubbing, normal load and sliding velocity. In general, friction coefficient increases for a certain duration of rubbing and after that it remains constant for the rest of the experimental time. Moreover, the obtained results reveal that friction coefficient increases with the increase in normal load and sliding velocity for all the tested pairs. The magnitudes of friction coefficient are different for different material pairs depending on normal load and sliding velocity.

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Muhammad Nuruzzaman, D., & Asaduzzaman Chowdhury, M. (2012). Effect of Load and Sliding Velocity on Friction Coefficient of Aluminum Sliding Against Different Pin Materials. American Journal of Materials Science, 2(1), 26–31. https://doi.org/10.5923/j.materials.20120201.05

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