“…The damping capacity of structural materials can be increased by applying an appropriate functional metal coating [3,4], in particular, by plasma sputtering [5,6]. Coating materials include powders of different compositions -metallic [4,7], ceramic [8], nanostructured [9,10], and plated [11]. The damping capacity of materials can be characterized by means of the parameters of their internal friction (IF) [2,7,12].…”