Abstract
Experimental study on scheme optimization of composite damping structure was carried out and the effect of environmental temperature on damping characteristic was investigated in the present study. Damping coefficient of three layers composite damping structure is nearly ten times of that of light plate. The scheme of composite damping structure has a significant effect on damping characteristic. Effect of environmental temperature on damping characteristic was analyzed under temperature range from −10 °C to 80 °C. It shows that both of frequency and damping coefficient of composite damping structure are influenced by environmental temperature. There is a minimum frequency value which occurs at nearly 30 °C in the temperature range. Damping coefficient decreases with the increase of environmental temperature. The maximum damping coefficient is more than twice of the minimum one. Environmental temperature needs to be well considered in the practical application of composite damping structure.
Published Version
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