Damping Effects of Rubber Layer in Laminated Composite Circular Plate During Forced Vibration

Baltaci, Aysun; Sarıkanat, Mehmet; Yıldız, Hasan

doi:10.1007/978-1-4020-5401-3_12

Cited by 1 publication

(1 citation statement)

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“…There is a relation between the thickness of the rubber and the vibration amplitude. An increase in the rubber thickness decreases the value of vibration amplitude and reduces the damping time . To investigate the effect of rubber thickness on damping, hammer test was performed on the following: (i) 1, (ii) 1.5, and (iii) 2 mm thick rubbers.…”

Section: Introductionmentioning

confidence: 99%

Stiffness and damping coefficients for rubber mounted hybrid bearing

Lijesh

Hirani

2014

Lubrication Science

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A non‐contact passive magnetic bearing has a low friction compared with other passive (journal or ball) bearings. But these bearings have negligible damping due to which even small rotor vibration impacts the bearing magnet. It results in breakage of brittle magnetic materials. To overcome this problem, a hybrid bearing (passive magnet + elastomer) has been proposed in the present manuscript. To select an appropriate rubber, a step‐by‐step approach, using pendulum and hysteresis tests, has been followed. A parametric study on thickness of selected rubber was carried out. Experiments were conducted on three configurations: (i) a stand‐alone magnetic bearing, (ii) magnetic bearing with a butyl rubber having a thickness of 1 mm, and (iii) magnetic bearing with a butyl rubber having a thickness of 1.5 mm. To investigate the effect of rubber Young's modulus on the damping, rubber was made softer by immersing in aromatic liquid, and the experiments were repeated using softer rubber. Copyright © 2014 John Wiley & Sons, Ltd.

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Section: Introductionmentioning

confidence: 99%