Stiff Material Reduces Vibrations

This is a news story, published by ScienceDaily, that relates primarily to Ioanna Tsimouri news.

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stiff materials

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stiff material

ScienceDaily

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A stiff material that stops vibrations and noise

Summary

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76% Informative

ETH Zurich researchers have created a new composite material that combines two incompatible properties: stiff yet with a high damping capacity.

The material comprises layers of stiff materials connected by ultra-thin rubber-like layers formed by crosslinking a polydimethylsiloxane (PDMS) mixture.

The polymer is obtained using a mixture of commercially available PDMS-based polymers that contain chemically reactive sites.

When a catalyst is added, these sites combine to form a polymer network that connects the stiff plates like a two -component sealing.

"Manufacturers with the right machines can also produce the laminate in panels of dimensions of several square metres ," says Ioanna Tsimouri .

The manufacturing process is not that complicated, she says.

The material is lightweight silicon and glass composites with submicron viscoelastic interlayers and unconventional combinations of stiffness and damp.

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English

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