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Lepljeni in hibridni prekrovni spoji z ogljikovimi vlakni ojačanega polimernega kompozita in aluminija 2017-T4 : magistrsko delo magistrskega študijskega programa II. stopnje StrojništvoMarkovič, FilipKompozitni materiali se pogosto spajajo z lepljenjem. Problem lepljenih spojev pa je, da so nezanesljivi, saj lahko pride do nenadne porušitve. Lepljene spoje zato pogosto predimenzioniramo, delno pa ... lahko ta problem rešimo s hibridnimi spoji, kar pomeni, da lepljeni spoj ojačamo z mehanskimi pritrdilnimi elementi, ki delujejo kot varnostni člen v spoju in prenašajo del obremenitev. V tem delu smo izdelali in natezno testirali različne kombinacije lepljenih in hibridnih enojnih prekrovnih spojev z lepljenci iz aluminija 2017-T4 in kompozitnega polimera, ojačanega z ogljikovimi vlakni. Ugotovili smo, da lepljeni spoj z dvema kompozitnima lepljencema prenese približno 2-krat večjo obremenitev, če sta se lepljenca utrdila skupaj z lepilom, kot če se je lepilo utrdilo posebej. Ugotovili smo tudi, da ima kombinacija lepljencev vpliv na trdnost spoja, in sicer lepljeni spoj kompozit-aluminij prenese ~21 % večjo obremenitev, kompozit-kompozit pa ~50 % večjo obremenitev v primerjavi z lepljenim spojem aluminij-aluminij. Trdnost hibridnih spojev, ki smo jih dodatno zavarovali s kompozitnimi zatiči iz ogljikovih vlaken, ni bila višja od lepljenih spojev. Pri spojih z zatiči iz aramidnih vlaken pa se je trdnost povečala v manjši meri. Pri obeh vrstah pa sta zatiča nekaj časa vzdrževala oba spajana dela skupaj tudi po porušitvi lepljenega spoja, pri čemer se je razteznost spoja podaljšala.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [F. Markovič], 2021Language - slovenianCOBISS.SI-ID - 70019331
Author
Markovič, Filip
Other authors
Šturm, Roman, 1965- |
Bergant, Zoran
Topics
magistrske naloge |
polimerni kompoziti |
lepljeni spoj |
hibridni spoj |
epoksi |
kompozitni zatič |
master thesis |
polymer composites |
adhesive joint |
hybrid joint |
epoxy |
composite pin
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Library | Call number – location, accession no. ... | Copy status |
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Faculty of Mechanical Engineering, Lj. | MAG 952 IN: 70000952 |
available - reading room |
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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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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Markovič, Filip | ![]() |
Šturm, Roman, 1965- | 13026 |
Bergant, Zoran | 26556 |
Source: Personal bibliographies
and: SICRIS
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