Dry friction damping couple at high frequencies

0436953 - ÚT 2015 RIV CZ eng J - Článek v odborném periodiku
Půst, Ladislav - Pešek, Luděk - Košina, Jan - Radolfová, Alena
Dry friction damping couple at high frequencies.
Applied and Computational Mechanics. Roč. 8, č. 1 (2014), s. 91-100. ISSN 1802-680X
Institucionální podpora: RVO:61388998
Klíčová slova: dry friction * damping * high frequencies
Kód oboru RIV: BI - Akustika a kmity
http://www.kme.zcu.cz/acm/acm/article/view/239/265

The contribution deals with the application of dry friction couples for noise and vibration damping at high frequency of several kHz what brings new problems connected with the small amplitudes of relative slipping motion of contact surfaces. The most important information from the of experimental results is knowledge that the value of evaluated friction coefficient can have different physical sense according to the magnitude of excitation force and to the frequency of applied vibrations. If amplitudes of motion are very small, then the external harmonic force produces only elastic micro-deformations of contacting bodies, where no slip occurs and then the traction contact force is proportional only to elastic deformation of the sample.
Trvalý link: http://hdl.handle.net/11104/0241046