Nissan to unveil new material for quieter and efficient cabins at CES 2020

Nissan’s new lightweight sound insulation material, known as acoustic meta-material, is being shown this week at CES 2020 in Las Vegas.

Autocar Pro News Desk By Autocar Pro News Desk calendar 07 Jan 2020 Views icon4821 Views Share - Share to Facebook Share to Twitter Share to LinkedIn Share to Whatsapp
Nissan to unveil new material for quieter and efficient cabins at CES 2020

Nissan will unveil its new material today at the CES 2020 Las Vegas that is claimed to make car cabins quieter while also boosting energy efficiency. The material called as ‘acoustic meta-material’ is a new lightweight sound insulation material.

Nissan sound proof material

Nissan claims that the new material is a combination of a lattice structure and plastic film controls air vibrations to limit the transmission of wide frequency band noise (500-1200 hertz), such as road and engine noise. Currently, most materials used to isolate this frequency band consist mainly of heavy rubber board.

Nissan sound proofing material

Nissan claims that its new acoustic meta-material weighs one-fourth as much as these while providing the same degree of sound isolation. Due to its simple structure, the material’s cost competitiveness in terms of mass production is said to be almost the same or possibly better than the current materials. Therefore, the material can also be applied to vehicles where the use of sound insulation materials is currently limited due to cost or weight.

Nissan sound proof material

In 2008, meta-material was used in high-sensitivity antennas used for electromagnetic wave research. Nissan claims that it extended the applicability of meta-material technology to include sound waves, leading to the successful invention of acoustic meta-material.

 

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