1993-03-01

Evaluating Acoustical Performance of Expandable Sealant Materials 930336

The use of sealant materials to improve interior acoustics has increased significantly in todays automobiles. One such application is to use expandable sealant materials in rails, pillars, and cavities to reduce noise propagation. However, there is no standardized method for evaluating the acoustical performance of these materials. This paper reviews the basics of noise control engineering and discusses a proposed laboratory based test methodology that has been developed for properly evaluating the acoustical performance or expandable sealant materials. The test method is intended to simulate actual applications so that different materials can be evaluated to achieve optimum acoustical performance within a channel representing the rails or pillars in automobiles.

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Members save up to 16% off list price.
Login to see discount.
Special Offer: Download multiple Technical Papers each year? TechSelect is a cost-effective subscription option to select and download 12-100 full-text Technical Papers per year. Find more information here.
We also recommend:
TECHNICAL PAPER

Acoustical Drain Plugs in Body Cavity Sealer “Baffles”

971908

View Details

TECHNICAL PAPER

From Art to Science: A New Acoustic Baffle Material

951245

View Details

TECHNICAL PAPER

Comparison of Preformed Acoustic Baffles and Two-Component Polyurethane Foams for Filling Body Cavities

2001-01-1460

View Details

X