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  • Nissan presented a unique sound-proofing metamaterial

    Many unusual cars and related technologies were presented at CES 2020. Nissan also distinguished itself by showing a new noise-absorbing metamaterial for cars that surpasses existing analogs in weight and price.

    Nissan presented a unique sound-proofing metamaterial

    For sound insulation in cars, a dense rubber layer is often used, capable of damping sound in the range from 500 to 1200 Hz, which eliminates engine noise. Acoustic metamaterial created by Nissan engineers weighs a quarter less, providing the same insulation. The material received a porous structure, which allows establishing its mass production in a short time.

    According to the manufacturer, the development began back in 2008. Nissan said that the use of the new coating will help reduce the weight of the car, which will ultimately have a positive effect on the amount of fuel consumed, range and level of harmful emissions. The timing of the start of the introduction of new soundproofing material has not yet been reported.

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