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Kakovost poliuretanskega lepilnega spoja med lesom in jeklom : diplomsko delo = The quality of the polyurethane adhesive bond between wood and steel : B. Sc. thesisŠkamlec, MarkoLepljeni lamelirani nosilci se uporabljajo v konstrukcijske namene. Potrebno jih je spajati z jeklenimi deli. Vijačenje jeklenih delov lahko zamenjamo z lepljenjem in tako povečamo togost spoja. V ... raziskavi smo proučevali kakovost poliuretanskega lepilnega spoja med lesom in jeklom. Uporabili smo tri različna enokomponentna poliuretanska lepila: COSMO PU-100.110, COSMO PU-180.150 in COSMO PU- 190.110. Lesene lamele smo izdelali iz smrekovine in jih zlepili z jeklenimi lamelami. Preizkušance smo za 6 dni izpostavili trem različnim pogojem in sicer: standardni klimi, vlažni klimi ter namakanju v vodi. Izvedli smo test natezno strižne trdnosti spojev s preklopom po standardu SIST EN 205:2003 in določili delež loma po lesu. Kakovost lepilnega spoja med lesom in jeklom je bila odvisna od uporabljenega poliuretanskega lepila. Najboljše se je izkazalo lepilo COSMO PU-190.110, ki je po izpostavitvi standardni klimi doseglo strižno trdnost 8,49 N/mm2 in 53 % delež loma po lesu. Na kakovost lepilnega spoja je prav tako vplivala priprava preizkušancev pred testiranjem. Najboljše so se odrezali preizkušanci izpostavljeni standardni klimi in najslabše preizkušanci namočeni v vodo. Lepili COSMO PU-190.110 in COSMO PU-180.150 sta se izkazali kot uporabni za lepljenje jekla in lesa v suhih pogojih (standardna klima). Lepilo COSMO PU- 100.110 se je izkazalo kot neuporabno za lepljenje jekla in lesa v proučevanih pogojih.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [M. Škamlec], 2017Language - slovenianCOBISS.SI-ID - 2815881
Author
Škamlec, Marko
Other authors
Šernek, Milan |
Šega, Bogdan
Topics
adhezija |
poliuretansko lepilo |
jeklo |
les |
lepilni spoj |
adhesion |
polyurethane adhesive |
steel |
wood |
adhesive bond
Library | Call number – location, accession no. ... | Copy status |
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BF, Dept. of Wood Technology, Lj. | Knjižnica BF za lesarstvo dv1 98 IN: 020170135 |
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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Škamlec, Marko | |
Šernek, Milan | 16382 |
Šega, Bogdan | 13057 |
Source: Personal bibliographies
and: SICRIS
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