Publication

Multi-material rail pad and method for manufacturing same

Véronique Michaud, John Christopher Plummer, Joël Cugnoni, Holger Frauenrath, Oguzhan Oguz, Adrien Julien Demongeot, Maurice Ammann
2022
Patents

Abstract

The invention relates to a rail pad (10, lOa-v, 10α-η) comprising: a) a pad matrix (1) comprising a first material and b) at least one damping element (2) at least partially encapsulated or embedded in the pad matrix (1), said damping element (2) comprising or consisting of a second material, wherein the second material of the at least one damping element (2) has a damping factor tan delta > 0.5 in the audible frequency of 1000 Hz. Methods for producing the rail pad of the invention are also disclosed.

Official source

https://infoscience.epfl.ch/entities/publication/993dcc3a-fc1e-4e85-a1f6-3883c849c42c

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