Faculty of Mechanical Engineering, Lj. (FSLJ)
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Longitudinalne zaostale napetosti v zvarih visokotrdnostnih aluminijevih zlitin : zaključna naloga univerzitetnega študijskega programa I. stopnje StrojništvoSmolej, AnžeAluminijeve zlitine so zaradi dobrih fizikalnih in mehanskih lastnosti uveljavljene v najzahtevnejših inženirskih aplikacijah. Hkrati razvoj novih tehnologij varjenja omogoča spajanje ... visoko-trdnostnih aluminijevih zlitin, ki so s konvencionalnimi postopki izredno težko varive, in ponuja najrazličnejše raziskave mehanskih lastnosti ter razmer v takih zvarnih spojih. V zaključni nalogi smo zato analizirali longitudinalne zaostale napetosti v spojih raznorodnih visoko-trdnostnih aluminijevih zlitin 7075-T651 in 2017A-T451. S postopkom varjenja z gnetenjem smo uspešno izdelali šest vzorčnih spojev, z različnimi varilnimi parametri. V nadaljevanju smo v izbranih merilnih mestih z metodo rentgenske difrakcije izmerili zaostale napetosti v vzdolžni smeri glede na potek varjenja. Na podlagi izvedenih meritev smo ovrednotili grafe porazdelitve zaostalih napetosti ter dokazali, da so zaostale napetosti v območju spoja pozitivne, tj. natezne, ki pa z odmikom od zvara preidejo v tlačne. Ugotovili smo tudi, da so večji ekstremi zaostalih napetosti prisotni na nazadujoči strani zvarov, pri čemer smo najvišje vrednosti izmerili v vzorcu, zvarjenem z najvišjo podajalno hitrostjo.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [A. Smolej], 2018Language - slovenianCOBISS.SI-ID - 16235547
Author
Smolej, Anže
Other authors
Trdan, Uroš |
Klobčar, Damjan
Topics
diplomske naloge |
aluminijeve zlitine |
varjenje z gnetenjem |
zaostale napetosti |
rentgenska difrakcija |
alluminium alloys |
friction stir welding |
residual stresses |
x-ray diffraction
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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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Smolej, Anže | ![]() |
Trdan, Uroš | 28906 |
Klobčar, Damjan | 20441 |
Source: Personal bibliographies
and: SICRIS
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