The defects in pipe elbows can, depending on their size and position, affect the integrity and safe service, as well as deformation ability of the piping systems in exploitation. Incompletely filled groove, which is the type of defect examined here, was observed by ultrasonic measurement on the pipeline in the regulation system of the hydro power p...

By Bojan Medjo, Marko Rakin, Miodrag Arsić, Ivana Damnjanović, Ana Stefanović, Vencislav Grabulov