Abstract
Friction-induced stick-slip vibration (FISSV) commonly observed in various friction systems, such as the braking system of high-speed trains. The formation and development of FISSV are intricately associated with the structural deformation of the friction system. Therefore, we explored the correlation between structural deformation and FISSV. Using rigid structures with varied deformation capabilities, tests were conducted, and simulations performed. Results show a strong link between structural deformation and FISSV occurrence. Longer rod-holders increased deformation capability, intensifying FISSV. Systems with weaker deformation had stable interfaces and minimal eccentric wear (EW), reducing FISSV likelihood. Conversely, systems with greater deformation experienced prolonged stick durations, intensifying EW and challenging stable interfaces. Structural rigidity is crucial in friction system design to prevent FISSV, ensuring safe operation.
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