Browse Publications Technical Papers 2009-01-2133

The Effect of Composite Material Attachment Method on SAE J1400 Transmission Loss Test Results 2009-01-2133

Composite layered structures of sound absorptive and barrier materials find frequent use in vehicle NVH control. Developmental transmission loss testing of such composite structures often includes both testing of the barrier material alone and testing of the full composite layered structures.
This paper reports on an experimental study of how the method of attachment of the absorptive material to the barrier material influences the transmission loss test results for the composite layered structure and thus the time needed to carry out a series of transmission loss tests.


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