Ultrasonic control of vessel's welded structures

U ovome radu smo pojasnili značaj kontrole i ispitivanja zavarenih spojeva u brodogradnji kao sustava osiguranja kvalitete, opisali smo metode kontrole bez razaranja te smo objasnili fiziku ultrazvuka i pojmove i znanja potrebne za razumijevanje praktičnog dijela rada. Cilj ovog rada je prikazati izvještaj ultrazvučnog ispitivanja, opisati relacije vezane uz izvještaj te objasniti princip rukovanja ureĎajima za ultrazvučno ispitivanje, postupke baždarenja te interpretirati mjerenja.In this paper we explained need for quality control in shipping industry and importance of ultrasonic inspection of steel butt welds, we described nondestructive methods as well as phisics behind ultrasound and needed terms and knowledges necessary to understand practical part of paper. Aim of this paper is to show report on ultrasonic testing, describe relations forming the report and explain handling the ultrasonic testing equipment, ways of calibrating equipment and to interpret measuring results