The assessment of performance of anti-vibration materials

In noise problems the limitation of structure-borne vibration is often important. Properly designed resilient mountings can be employed to give the required isolation; these may take the form of unit mountings used as point supports or pads of sheet-like material cut to the required size. Anti-vibration mountings employing pads of material in sheet form will often be suitable and are usually cheaper than unit mountings. Information on the attenuation to be expected from such materials is not usually available from the manufacturers. The paper gives details of a simple method which may be employed to give useful and reliable information on the dynamic performance of such materials.