Sound transmission testing of polymer compounds

Acoustic properties of polymer compounds are an important consideration for many applications. Currently, there are standard test methods for the determination of these properties. There is, however, no standard for the equipment used in these tests, only a specification for the test conditions. The...

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Bibliographic Details
Published in:Polymer testing 2012-04, Vol.31 (2), p.312-321
Main Authors: Allan, P.S., Ahmadnia, A., Withnall, R., Silver, J.
Format: Article
Language:English
Subjects:
Acoustic properties
Acoustic testing
Acoustic transmission
Applied sciences
Benches
Exact sciences and technology
Mounting
Physicochemistry of polymers
Polymer industry, paints, wood
Polymer matrix composites
Polymer properties
Sound
Sound transmission
Specifications
Technology of polymers
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Summary:Acoustic properties of polymer compounds are an important consideration for many applications. Currently, there are standard test methods for the determination of these properties. There is, however, no standard for the equipment used in these tests, only a specification for the test conditions. The objective of this work was to evaluate the operation and performance of a bench top laboratory sound testing system for its potential as a simple cost effective method for the initial evaluation of materials that require specific acoustic properties. The work was limited to an investigation of the property of sound transmission loss (STL). A study of the effect of the mounting conditions for the samples on the STL was carried out. Following this, a series of polymer and polymer composite samples was tested. The results presented demonstrate the potential for the testing system as an effective standard test method for the acoustic properties of polymer composites and other materials.
ISSN:0142-9418
1873-2348
DOI:10.1016/j.polymertesting.2011.12.007