6. Sound and vibration insulation
When it comes to sound and vibration insulation, non-communicating foams are the most frequently used.
6.1 Phonic
Metal foams (figure 13 ) have a limited and uneven sound insulation capacity, depending on the frequency. Although their absorption capacity is considerably lower than that of glass wool, it is still sufficient for multi-functional...
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Sound and vibration insulation
Bibliography
Websites
Referring site :
Metal foam dealers :
http://www.goodfellow.com/catalogue/GFCatalogue.php?Language=F
Events
Metfoam is held every two years (odd-numbered years), with the venue changing with each show.
Cellmat takes place every two years (even years) in Germany.
Patents
[B1] Energy absorption device for motor vehicle bumper beam, EP 1902907 B1.
[B2] Motor vehicle front end with large support plates for shock absorbers, and associated vehicle, EP 2 241 480 B1.
[B3] Frame structure of vehicle body, US 5611568 A.
[B4] Headlamp comprising energy absorption means, US 7156545 B2.
[B5] Use of metal foams...
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list, as the reference site contains a regularly updated list)
Alantum, German and Korean producer of open-structure nickel-iron foams
http://www.alantum.com/en/special/manufacturing.html
Alulight, Austrian manufacturer of powder-metallurgy...
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