20.500.12556/RUL-186960 Analiza mehanskih lastnosti in mikrostrukture ultrazvočno zavarjenih spojev bakrenih vodnikov Analysis of the mechanical properties and microstructure of ultrasonically welded copper conductor joints V zaključnem delu je obravnavana analiza mikrostrukture in mehanskih lastnosti ultrazvočno zavarjenih spojev na bakrenih vodnikih. Namen raziskave je bil analizirati vpliv parametrov ultrazvočnega varjenja na mikrostrukturo in trdnost zvarnih spojev. Mehanske lastnosti so bile ovrednotene s preizkusi natezne trdnosti, preizkusi luščilne sile in z merjenjem mikrotrdote po Vickersu. Mikrostrukturne lastnosti smo analizirali z mikroskopiranjem s svetlobnim mikroskopom. Ugotovili smo, da je območje zvara kritično mesto z vidika mehanske odpornosti spoja. Do največjih deformacij pride na sredini zvara, kjer deluje sonotroda. This final thesis presents an analysis of the microstructure and mechanical properties of ultrasonically welded copper conductor joints. The aim of the research was to analyze the effect of ultrasonic welding parameters on the microstructure and mechanical properties of the welded joints. Mechanical properties were evaluated through tensile strength, peel force tests and Vickers microhardness tests, while microstructural properties were analyzed using optical microscopy. It was found that the weld zone is the critical area regarding the mechanical strength of the joint. The greatest deformations occur at the center of the weld, where the sonotrode acts upon the material. ultrazvočno varjenje baker zvarni spoji natezna trdnost luščilna sila mikrostruktura mikrotrdota ultrasonic welding copper welded joint tensile strength peel force microstructure microhardness true false false [M. Petrič] Slovenski jezik Angleški jezik Diplomsko delo/naloga 2026-09-08 08:30:27 2026-09-08 08:30:32 2026-09-09 04:22:04 0000-00-00 00:00:00 2026 0 Ljubljana 0 XIV, 35 f. 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 621.791:620.17(043.2) 289564 290361347 49713.pdf 49713.pdf 1 DAF44025E643D6747484949CE975CCA9 64ae30c597ee3bddc520f555892c6a821d77c1690eec7b3da1e79dd0153f7062 c71cd7fb-ab4e-11f1-8bc5-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=246367 Fakulteta za strojništvo 0 0 0