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首页> 外文期刊>Advances in materials science and engineering >Study on Damping Energy Dissipation Characteristics of Cylindrical Metal Rubber in Nonforming Direction
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Study on Damping Energy Dissipation Characteristics of Cylindrical Metal Rubber in Nonforming Direction

机译:圆柱金属橡胶非成形方向阻尼耗能特性的研究

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Metal rubber (MR) is an excellent damping material that is often used in practical engineering applications. The performance of MR in the nonforming direction is different from that in the molding direction, and research is rare; the anisotropy of MR is gradually revealed in many engineering applications because characterization and analysis of damping energy dissipation characteristics in the nonforming direction of cylindrical MR were carried out by the characterization method of damping materials. Based on the testing methods, dry friction and dynamic stiffness are taken as the main analysis points. By performing single-factor control and orthogonal tests, the parameters affecting the energy dissipation and damping characteristics of MR are studied, and the main factors that cause changes in energy consumption and loss factor are analyzed. It is found that the influence of loading amplitude on damping energy is much higher than that of loading frequency, and the damping characteristic of MR is not sensitive to frequency. Therefore, the loading amplitude level of the actual environment should be considered first followed by the knitting technology in design of MR components.
机译:金属橡胶(MR)是一种出色的阻尼材料,通常用于实际工程应用中。 MR在非成形方向上的性能不同于在成型方向上的性能,因此研究很少。由于利用阻尼材料的表征方法对圆柱状MR非成形方向上的阻尼能量耗散特性进行了表征和分析,因此在许多工程应用中逐渐揭示了MR的各向异性。根据试验方法,以干摩擦和动刚度为主要分析点。通过进行单因素控制和正交试验,研究了影响MR能量耗散和阻尼特性的参数,并分析了引起能量消耗和损耗因子变化的主要因素。结果表明,加载幅度对阻尼能量的影响远大于加载频率的影响,并且MR的阻尼特性对频率不敏感。因此,在MR组件的设计中,应首先考虑实际环境的负载幅度水平,然后再考虑编织技术。

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