| Autor: |
Chowdhury, Mohammad Asaduzzaman, Helali, Maksud |
| Předmět: |
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| Zdroj: |
Strojnicky Casopis; 2009, Vol. 60 Issue 1, p1-17, 17p, 15 Graphs |
| Abstrakt: |
The paper presents the tribological behaviour of PTFE and rubber under external longitudinal horizontal vibration. Variation of friction coefficient is investigated experimentally when mild steel pin slides on PTFE and rubber. To do so, a pin-on-disc apparatus having facility of vibrating the test samples at horizontal direction was designed and fabricated. Horizontal vibration is created along the direction of sliding (longitudinal direction). The experimental set-up has the facility to vary the amplitudes and frequencies of vibration while velocity of vibration is kept constant. Studies have shown that the friction coefficient increases with the increase of amplitude and frequency of vibration for above said materials. During the experiment, the effects of duration of rubbing, sliding velocity and normal load are also investigated. The rates of increase of friction coefficient are different for PTFE and rubber. The experimental results are compared with those available in the literature and simple physical explanations are provided. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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