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  4. Vibroacoustic characterisation methods for polymer materials and components
 
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2020
Conference Paper
Titel

Vibroacoustic characterisation methods for polymer materials and components

Abstract
Polymer materials are mostly relatively inexpensive, lightweight and easily formable into complex 3D geometries. Therefore, many electrical devices, tools and automotive components have housings made of polymer materials. However, due to their low mass density and often relatively low structural damping, polymer materials pose challenges with respect to acoustic design. Tailored polymer materials with improved internal damping and components with optimised geometry offer great potential for noise reduction and sound design. In the »PolymerAkustik« project, a consortium of four Fraunhofer Institutes is currently investigating innovative solutions for optimised polymer materials and components for noise reduction and sound design. For this optimisation process manageable, efficient vibroacoustic characterisation methods are required. In this paper the application and adaptation of different characterisation methods are discussed in the context of polymer material and component development.
Author(s)
Rohlfing, Jens
Fraunhofer-Institut für Bauphysik IBP
Diemert, Jan
Fraunhofer-Institut für Chemische Technologie ICT
Lüssenheide, Susanne
Fraunhofer-Institut für Chemische Technologie ICT
Abdul Hamid, Z.M.
Fraunhofer-Institut für Werkstoffmechanik IWM
Hohe, J.
Fraunhofer-Institut für Werkstoffmechanik IWM
Kranz, B.
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU
Georgi, Tom
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU
Hauptwerk
ISMA 2020, International Conference on Noise and Vibration Engineering. Proceedings
Konferenz
International Conference on Noise and Vibration Engineering 2020
International Conference on Uncertainty in Structural Dynamics (USD) 2020
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Language
English
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Fraunhofer-Institut für Bauphysik IBP
Fraunhofer-Institut für Chemische Technologie ICT
Fraunhofer-Institut für Werkstoffmechanik IWM
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU
Tags
  • vibroacoustic charact...

  • polymer material

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