Faculty of Mechanical Engineering, Lj. (FSLJ)
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Analiza parametrov ultrazvočnega varjenja polimera PSU GF30 : zaključna naloga Univerzitetnega študijskega programa I. stopnje Strojništvo - Razvojno raziskovalni programPavkovič, ŽanVarilni parametri pri ultrazvočnem varjenju imajo ključen vpliv na trdnost zvarnega spoja. V okviru zaključne naloge smo na vzorcih polisulfona, ojačenega s 30 % steklenih vlaken, izvedli postopek ... ultrazvočnega varjenja pri različnih prekritjih spoja (1 mm, 2mm in 3 mm) ter globinah varjenja (0,2 mm, 0,35 mm in 0,5 mm). Na osnovnem materialu smo v vzdolžni in prečni smeri izvedli enoosni natezni preizkus ter rezultate primerjali s trdnostmi zvarnih spojev, izdelanih z različnimi parametri varjenja. Natezna trdnost osnovnega materiala v prečni smeri je znašala 61 MPa, v vzdolžni pa 119 MPa. Za zvarjene vzorce smo iz rezultatov ugotovili, da se z večanjem prekritja in globine varjenja natezna trdnost veča. Največji vpliv na natezno trdnost ima prekritje spoja, pri čemer je njegovo večanje tudi bolj energijsko in stroškovno ugodno. Večjo natezno trdnost imajo vzorci, pri katerih pride do loma osnovnega materiala in ne zvarnega spoja. To dosežemo s prekritjem 2 mm ali več, vendar pa do loma pride tik ob zvarnem spoju, kjer je material zaradi toplotno vplivanega področja oslabljen. Posledica tega je tudi, da noben vzorec ni dosegel natezne trdnosti osnovnega materiala. Največjo trdnost spoja ob čim manjši porabi energije dosežemo s prekritjem spoja 2 mm in globino varjenja 0,35 mm.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [Ž. Pavkovič], 2024Language - slovenianCOBISS.SI-ID - 195905027
Author
Pavkovič, Žan
Other authors
Klobčar, Damjan |
Trdan, Uroš
Topics
PSU GF30 |
ultrazvočno varjenje |
varilni parametri |
enoosni natezni test |
natezna trdnost |
energija |
PSU GF30 |
ultrasonic welding |
welding parameters |
uniaxial tensile test |
tensile strength |
energy
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UN 0000001907 IN: 80001907 UN 1907 IN: 80001907 |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Pavkovič, Žan | |
Klobčar, Damjan | 20441 |
Trdan, Uroš | 28906 |
Source: Personal bibliographies
and: SICRIS
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