Thermoelastic Damping in Laminated Composite Circular Microplate Resonators

Abstract:

High quality factor is an essential requirement in the design of microsensors used for sensing and communications applications. In previous works, some analytical models have been developed for thermoelastic damping in monolayer structure and multi-layered beam. This paper proposes a new model for thermoelastic damping in symmetric, three-layered, laminated, microplate resonators. Our approach utilizes the analytical framework developed by Bishop and Kinra and Gaussian curvature. The effect of volume fraction is numerically calculated. It is noticed that the maximum damping is determined by volume fraction, which is independent of the single layer thickness. The thinner plate is, the higher frequency is that reach the maximum damping.

• Periodical: Advanced Materials Research (Volume 705)
• Pages: 241-247
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.705.241
• Online since: June 2013
• Authors: Wan Li Zuo, Xu Dong Liu, Pu Li
• Keywords: Circular Plate, Gaussian Curvature, Quality Factor, Thermoelastic Damping

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