Process to obtain composite laminate for improvement of vibratory behaviour - acoustic, product thus obtained and an auxiliary tool a

摘要

"The process to obtain composite laminate for improvement of vibratory behaviour - acoustic, product thus obtained and an auxiliary tool used.The process consists in obtaining a piece of composite laminate (1) with a groove (2) according to a configuration of the reticular grid based on repeating patterns on the whole surface of the m.One of the faces of the eNOS compound (1), (2) being implemented for corrugated real process of mold compound.The latter being embodied by a layer of rigid foam (10) and two external layers (9) of paper or similar.In such a way that the compound with the groove (2) is provided for its mounting by means of adhesive to a surface that is subject to an external situation that can produce undesirable vibration and noiseROM, all this in order to improve the performance of vibratory acoustic surface.The composite laminate (1) finds special application in the field of motor vehicles in order to reduce unwanted noise produced in the metal plate external to the roof of the vehicle.