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Frictional and Acoustic Behavior of Automotive Interior Polymeric Material Pairs Under Environmental Conditions
Technical Paper
2001-01-1550
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
As automotive manufacturers continue to increase their use of thermoplastics for interior and exterior components, there is a likelihood of squeaks due to material contacts. To address this issue, Ford's Body Chassis NVH Squeak and Rattle Prevention Engineering Department has developed a tester that can measure friction, and any accompanying audible sound, as a function of sliding velocity, normal load, surface roughness, and environmental factors. The Ford team has been using the tester to address manufacturing plant issues and to develop a database of polymeric material pairings that will be used as a guide for current and future designs to eliminate potential noise concerns. Based upon the database, along with a physical property analysis of the various plastic (viscoelastic) materials used in the interior, we are in the process of developing an analytical model which will be a tool to predict frictional behavior. The model will be integrated into the automotive component design process (CAD/CAM/CAE) so that potential concerns can be addressed prior to critical design milestone freeze dates. This paper will review our research results to date.
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Citation
Trapp, M., McNulty, P., and Chu, J., "Frictional and Acoustic Behavior of Automotive Interior Polymeric Material Pairs Under Environmental Conditions," SAE Technical Paper 2001-01-1550, 2001, https://doi.org/10.4271/2001-01-1550.Also In
SAE 2001 Transactions Journal of Passenger Cars - Mechanical Systems
Number: V110-6; Published: 2002-09-15
Number: V110-6; Published: 2002-09-15
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