Sound-absorbing polyurethane foam for the auto industry

Ambient noise harms the human organism: it produces high levels of the stress hormones, disrupts the operation of the nervous system, provokes cardiovascular damage, and impairs hearing. In the creation of new noise-reducing materials, the goal is to increase porosity without loss of structural stre...

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Bibliographic Details
Published in:Russian engineering research 2017-04, Vol.37 (4), p.372-374
Main Authors: Shafigullin, L. N., Yurasov, S. Yu, Shayakhmetova, G. R., Shafigullina, A. N., Zharin, E. D.
Format: Article
Language:English
Subjects:
Acoustic insulation
Acoustic noise
Automobile industry
Automobiles
Automotive parts
Dynamic characteristics
Engineering
Engineering Design
Fuel consumption
Hormones
Nervous system
Noise reduction
Polyurethane foam
Porosity
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Summary:Ambient noise harms the human organism: it produces high levels of the stress hormones, disrupts the operation of the nervous system, provokes cardiovascular damage, and impairs hearing. In the creation of new noise-reducing materials, the goal is to increase porosity without loss of structural strength. With greater porosity and reduced thickness, acoustic insulation will be lighter, which is better for use in automobiles. In addition, the dynamic characteristics are improved, and vehicle assembly is simplified.
ISSN:1068-798X
1934-8088
DOI:10.3103/S1068798X17040190