ZHANG Mingxia, LIN Guoxing, DING Liang. Design and Experiment of Passive Stand-off Layer Damping Structure[J]. Development and Application of Materials, 2019, 34(3): 90-95. DOI: 10.19515/j.cnki.1003-1545.2019.03.016
Citation: ZHANG Mingxia, LIN Guoxing, DING Liang. Design and Experiment of Passive Stand-off Layer Damping Structure[J]. Development and Application of Materials, 2019, 34(3): 90-95. DOI: 10.19515/j.cnki.1003-1545.2019.03.016

Design and Experiment of Passive Stand-off Layer Damping Structure

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  • Received Date: January 15, 2019
  • Available Online: March 17, 2024
  • Introducing large thickness and high shear modulus stand-off layer to the usual passive damping structure can get better damping effect. And within a certain height range, the larger the thickness of the stand-off layer, the lager the shear deformation of the damping rubber layer, which will enhance the vibration reduction. However, the excessive thickness and high shear modulus of the stand-off layer will reduce the deformation of the whole passive damping materials, which will have adverse effect on the damping effect. In this study, a kind of high shear modulus hard material was used as the stand of layer, which had been slotted with different structures. With this design, bending deformation of the whole passive damping materials was ensured with large thickness and high shear modulus of the stand-off layer. 10 mm thick steel plate was used as the damping processing object, six kinds of different passive damping structure were designed, the effects of different slotted designs of stand-off layer on vibration reduction were discussed. The damping effect was calculated by using the general finite element software and the actual measurement carried out and discussed.
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