ultrahelikeevitus
tardfaasis survekeevituse protsess/operatsioon, kus kokkusurutud detailidele suunatakse rõhtsalt liitepinnaga ultrahelivõnkumised (vt tardfaaskeevitus), a solid-state welding process in which materials are welded by locally applying high-frequency vibratory energy to a joint held together under pressure (see: solid-state welding)
