Faculty of Mechanical Engineering, Lj. (FSLJ)
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Varjenje poliuretanske pene z vročim zrakom : diplomsko delo Visokošolskega strokovnega študijskega programa I. stopnje StrojništvoRamić, BelminPri vsakem postopku varjenja moramo določiti parametre in pogoje, pod katerimi bomo varili, ter na osnovi tega določiti najbolj optimalne parametre. V nalogi smo varili dve različni peni, ki se ... vizualno razlikujeta po barvi, pri tem ima vsaka različno gostoto. Za spajanje smo uporabili gorilnik na vroč zrak in pri vsakem eksperimentu smo glede na gostoto pene spreminjali temperaturo. Obe peni smo varili pri različnih pretokih zraka z uporabo dveh različnih šob. Nizek vnos energije ponazarja, da se polimer slabo raztali, kar ponazarja slabo kakovost zvara. Z druge strani, pri visokem vnosu energije pride do prekomernega pretaljevanja. Kakovost spoja smo preverili na osnovi vizualne ocene zvara, otipljive ocene trdote zvara in makroposnetka spoja. Pri izvedbi eksperimentov smo za varjenje uporabljali kose dimenzij 500 x 200 x 30 mm. Ugotovili smo, da gostota pene vpliva na tehnološke parametre in da pri povečevanju pretoka zraka potrebujemo manjšo temperaturo za varjenje. Na osnovi makroposnetka spojev smo opazili, da pri visokih temperaturah pride do večjega števila deformacij v celični strukturi in posledično do slabšega izkoristka surovca.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [B. Ramić], 2021Language - slovenianCOBISS.SI-ID - 90420227
Author
Ramić, Belmin
Other authors
Klobčar, Damjan
Topics
diplomske naloge |
varjenje z vročim zrakom |
varjenje polimerov |
poliuretan |
polimeri |
kakovost zvara |
thesis |
hot air welding |
polymer welding |
polyurethane |
polymers |
weld quality
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VS 0000000967 IN: 60000967 VS 967 IN: 60000967 |
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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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Ramić, Belmin | |
Klobčar, Damjan | 20441 |
Source: Personal bibliographies
and: SICRIS
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