Customer needs

Minimise squeaking and grinding in order to make the car interior as noise-free as possible.

Customer benefits

A global support thanks to the multidisciplinary skills of materials teams to optimise products..

Cetim answer

Approximately one hundred tests were performed and covered 25 pairs of polymer / polymer and polymer / steel materials
Two years of studies were required to carry out this study

Delivered results

A comprehensive study allowing to understand the noise excitation mechanisms, software applications development capable of predicting them, proposition of formulations to reduce the noise performance potential.