Hysteresis Loop and Stiffness and Damping Parameters of ZN-35 Rubber Damping Pad

GUO Tieneng; PENG Liwei; ZHOU Cheng; YANG Tao

doi:10.11936/bjutxb2020070005

Journal of Beijing University of Technology > 2022 > 48(1): 1-7. > DOI: 10.11936/bjutxb2020070005

GUO Tieneng, PENG Liwei, ZHOU Cheng, YANG Tao. Hysteresis Loop and Stiffness and Damping Parameters of ZN-35 Rubber Damping Pad[J]. Journal of Beijing University of Technology, 2022, 48(1): 1-7. DOI: 10.11936/bjutxb2020070005

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Hysteresis Loop and Stiffness and Damping Parameters of ZN-35 Rubber Damping Pad

1.
Institute of Advanced Manufacturing and Intelligent Technology, Beijing University of Technology, Beijing 100124, China
2.
The Ninth Professional Department of the 13th Research Institute, China Electronics Technology Group Corporation, Shijiazhuang 050057, China

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Received Date: July 04, 2020
Revised Date: November 08, 2020
Available Online: August 03, 2022
Published Date: January 09, 2022

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Abstract

Abstract

For the ZN-35 rubber damping pad of electronic equipment on a launch vehicle, a broadband vibration test device was designed under ideal conditions, and a broadband range vibration test was carried out. The hysteresis loop of the damping pad at different frequencies was obtained, and based on this, dynamic parameters such as stiffness and damping coefficient of the damping pad under corresponding frequency excitation were identified. Results show that the dynamic stiffness of the rubber damping pad of the material increases smoothly with the increase of the excitation frequency, and the dynamic damping coefficient decreases smoothly with the increase of the excitation frequency. This research provides a new perspective for the research of ZN series rubber damping pads, and provides basic data for the design and use of the material damping pads.
- ZN-35 rubber vibration damping pad,
- vibration test,
- hysteresis loop,
- dynamic stiffness,
- dynamic damping coefficient,
- damping pad design

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