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中文核心期刊
Li Hui, Sun Zhanbin, Liu Xiaochuan, Sun Kaihua, Wang Xin, Zhang Bingjie, Jia Duo, Zhang Rangwei, Gao Dongwu, Wang Xiangping, Guo Xumin, Lin Junzhe, Sun Wei, Ma Hui, Han Qingkai. Study on constitutive model of new sandwich metal rubber felt pads. Chinese Journal of Theoretical and Applied Mechanics, in press. DOI: 10.6052/0459-1879-24-154
Citation: Li Hui, Sun Zhanbin, Liu Xiaochuan, Sun Kaihua, Wang Xin, Zhang Bingjie, Jia Duo, Zhang Rangwei, Gao Dongwu, Wang Xiangping, Guo Xumin, Lin Junzhe, Sun Wei, Ma Hui, Han Qingkai. Study on constitutive model of new sandwich metal rubber felt pads. Chinese Journal of Theoretical and Applied Mechanics, in press. DOI: 10.6052/0459-1879-24-154

STUDY ON CONSTITUTIVE MODEL OF NEW SANDWICH METAL RUBBER FELT PADS

  • The constitutive model of new sandwich metal rubber felt pads is studied. With consideration of the upper and lower metal wire surfaces and the multi-layer sandwich core made by different metal wires and diameters, a new constitutive model of such sandwich metal rubber felt pads is created based on the micro spring element theory and the series/parallel stiffness analysis method. Three contact states are defined, including non-contact, sliding contact, and squeezing contact states. Subsequently, the stress-strain curve is predicted when the loading and unloading stiffness values of such felt pads with different contact states are obtained. Finally, quasi-static compression tests are conducted on samples of sandwich metal rubber felt pads composed of copper and stainless steel wires. The measured results show that the maximum prediction errors of the stiffness and loss factor of the current constitutive model are 9.1% and 10.7%, which proves the present model has good predictive ability. Also, the new metal rubber felt pad possesses better anti-vibration capability compared to the traditional one. The research results in this study can provide an important modeling tool for the calculation and analysis of key mechanical parameters of structure systems composed of new metal rubber felt pads.
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