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Energy dissipation of a ring-like metal rubber isolator

Chinese Physics B 2014年第4期23卷 198-201页

作者：闫辉张文静姜洪源陈亮 School of Mechatronics Engineering Harbin Institute of Technology

metal rubber （MR） is a kind of homogeneous poroelastic damping material made of metal wire. In this paper, by ana- lyzing the forces on the MR isolator and the MR element, the hysteresis loops of the force and deformation are studied and verified by experiments. The results show that the force and displacement hysteresis loop of the MR isolator is described by the force and deformation hysteresis loops of the MR elements. In addition, the relationship between the energy dissipation coefficient of the MR element and that of the MR isolator is derived. The energy dissipation coefficient is programmed and calculated by MATLAB using experimental data, and the results are compared with the theoretical value. It is the basis for the design and applied research of the MR isolator in a future study.

关键词： metal rubber hysteresis loop experimental study energy dissipation coefficient

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Analyses toward factors influencing sealing clearance of a metal rubber seal and derivation of a calculation formula

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Chinese Journal of Aeronautics 2016年第1期29卷 292-296页

作者： Yan Hui Zhao Yalei Liu Jianguo Jiang Hongyuan School of Mechatronics Engineering Harbin Institute of Technology

Sealing clearance is a key factor for a metal rubber seal＇s sealability. The expansion coef- ficient and expansion deformation in the radial direction of metal rubber have been obtained through a thermal expansion experiment of metal rubber. The influence of the elastic modulus to the sealing clearance has been analyzed theoretically. By combining the temperature and elasticity factors of metal rubber with the elastic mechanics theory, the calculation formula of the sealing clearance has been derived, and the values of the sealing clearance and the leakage rate in certain working conditions have been calculated. Experimental results are consistent with calculation results in a high degree. The calculation formula of the sealing clearance can explain the influences of the temperature and elastic modulus factors of metal rubber on the sealing clearance. It can pro- vide guidance for the study of sealing mechanism of metal rubber seals.

关键词： Elastic mechanics theoryElastic modulus factor metal rubber Seals Temperature factor

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3D Modeling of the preparation process of metal rubber material

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International Journal of Minerals,metallurgy and Materials 2010年第1期17卷 75-79页

作者： Ming-ji Huang Xiu-ping Dong Guo-quan Liu School of Mechanical Engineering University of Science and Technology Beijing Beijing 100083 China School of Mechanical Engineering Beijing Technology and Business University Beijing 100048 China School of Materials Science and Engineering University of Science and Technology Beijing Beijing 100083 China

Based on the analysis of the preparation of metal rubber （MR） and two pivotal hypotheses, the uniform distribution and the unaltered topological structure of wires in the radial direction of columns in the punch process, a 3D parametrical model was established based on four approaches： helix-making, planar roughcast-weaving, planar roughcast-rolling, and 3D roughcast punching. In the modeling process, 5 lattice types of weave patterns in planar roughcast were put forward, and 10 quantificational modeling parameters were picked up to exclusively define the column MR component structure. The wire distribution was visualized by CAD techniques. The important performance parameter of column MR components （relative density ρ^- ） can be forecasted by modeling computing, which provides the necessary foundation for the design and optimization of MR materials.

关键词： metal rubber preparation process weaving parametric model

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