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J. Wicher, W. Oliferuk, I. Sitarek, P. Tirinda, R. Chmurny

Changes in dynamic properties of vibration-insulating rubber elements under the action of intensiva dynamic loads

Polimery 1984, No 1, 73

DOI: dx.doi.org/10.14314/polimery.1984.073


It has been found that the temperature of rubber springs under the action of dynamic load sincreases proportionally to the intensity (amplitude) of load and a distinct increase in temperature is observed only in the case of forced vibrations of frequency identical to that of natural frequency of the system (spring + loading weight). Under conditions of constant temperature of the rubber spring, the logarithmic dekrement of damping increases with the time of loading. Damping is high er for rubber springs of lower temperature. An increase in temperature and time of loading results in an inconsiderable change of the frequency of resonance vibrations of the system, and, thus, of its rigidity.


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