Use as an elastic body of the working fluid improves efficiency hydraulic damper, reliability, and durability, in this case, issues improving reliability existing locomotives dampers by upgrading separate components for major repairs with extension useful life are relevant. To increase damping dynamic vibrations reduce load on support units running gear elements, a modernized design hydro frict...

In a previous study, high-damping printed circuit board (PCB) implemented by multilayered viscoelastic acrylic tapes was investigated to increase the fatigue life of solder joints electronic packages vibration attenuation in random environment. However, main drawback this concept is its inability mount parts on PCB surface area occupied interlaminated layers. For efficient spatial accommodation...