Metal Rubber Mechanical Properties and Applications
Summary
Metal rubber is a class of porous, elastomer-like material formed by the entanglement of fine metallic wires. Its unique microstructure endows it with non-linear stiffness, high damping capacity and pronounced hysteretic behaviour under cyclic loading. Mechanical properties such as compressive resilience, energy absorption and vibration attenuation arise chiefly from dry friction and micro-slip between adjacent wires. Key parameters—wire diameter, porosity, density and overall geometry—govern stiffness and loss factor, while environmental conditions such as strain rate and temperature modulate the material response. Applications span vibration isolation in aerospace and defence, shock protection in civil infrastructure, pipeline damping at elevated temperatures and adaptive composite structures. By combining metal rubber with polymers or coatings, designers achieve tunable stiffness–damping balances suited to constrained installations or high-temperature environments, revealing global relevance from satellite launch systems to marine and automotive platforms.
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Metal Rubber Mechanical Properties and Applications publication trend
The graph below shows the total number of articles in metal rubber mechanical properties and applications across all publications each year (not limited to Nature Index journals).
Technical terms
Metal rubber: Porous elastomer-like material composed of interwoven metal wires that exhibits both high damping and recoverable deformation.
Hysteresis loop: Characteristic curve describing the energy dissipation during cyclic loading and unloading of a material.
Loss factor: Dimensionless ratio of dissipated energy to stored energy per loading cycle, indicating damping efficiency.
Split-Hopkinson pressure bar: Apparatus used to characterise dynamic mechanical properties at high strain rates through stress wave propagation.
References
- Dry friction damping mechanism of flexible microporous metal rubber based on cell group energy dissipation mechanism. Friction (2022).
- Experimental and Constitutive Model Study on Dynamic Mechanical Behavior of Metal Rubber under High‐Speed Impact Loading. Shock and Vibration (2021).
- Dynamic Performance of Laminated High-Damping and High-Stiffness Composite Structure Composed of Metal Rubber and Silicone Rubber. Materials (2021).
- Design and dynamic analysis of metal rubber isolators between satellite and carrier rocket system. Mechanical Sciences (2019).
- Energy Dissipation Characteristics and Parameter Identification of Symmetrically Coated Damping Structure of Pipelines under Different Temperature Environment. Symmetry (2020).
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