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Vpliv časa stiskanja na trdnost lepilnega spoja iz utekočinjenega lesa : diplomski projekt = Influence of pressing time on the shear strength of lap joints bonded with liquefied wood : B. Sc. thesisŽakelj, Luka, 1988-Poleg drugih alternativ bi tudi utekočinjen les lahko v prihodnje uporabljali kot lepilo in tako pripomogli k ohranitvi čistega okolja. Proučili smo vpliv časa stiskanja na strižno trdnost ... lepljencev, zlepljenih z utekočinjenim lesom. Utekočinjen les smo pripravili na osnovi podatkov iz prejšnjih raziskav v masnem razmerju med lesom in etilen glikolom 1:1, z dodatkom katalizatorja (3 % mase etilen glikola). Da bi lahko proučili vpliv časa stiskanja na trdnost lepilnega spoja, smo bukove lamele stiskali 6, 9, 12, 15 in 18 min v skladu s standardom EN 12765 (2002). Preizkušance smo razžagali iz dvoslojnih bukovih lepljencev in jih nato testirali z univerzalnim testirnim strojem ZWICK/Z005. Testiranje smo opravili takoj po lepljenju in nato še po 1, 3, 7, 14 in 28 dneh. Ugotovili smo, da preizkušanci, ne glede na čas stiskanja, niso zadovoljevali zahtev standarda EN 12765 (2002). Najvišjo strižno trdnost so dosegli preizkušanci stiskani 18, 15 ter 12 min. Vsi ti preizkušanci so izkazovali dokaj konstantne lastnosti in strižna trdnost ni bila odvisna od časa stiskanja. Najvišje ocene loma po lesu lepilnega spoja (nad 85 %) so prav tako dosegli po 18 min stiskani preizkušanci; ostali preizkušanci, stiskani krajši čas, pa so izkazovali slabše lastnosti.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [L. Žakelj], 2012Language - slovenianCOBISS.SI-ID - 2043017
Author
Žakelj, Luka, 1988-
Other authors
Šernek, Milan |
Šega, Bogdan
Topics
lepilni spoj |
utekočinjen les |
čas stiskanja |
strižna trdnost |
trajnost |
adhesive bond |
liquefied wood |
pressing time |
shear strength |
durability

Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Department of Wood Science and Technology, Lj. | Ljubljana | BFLES |
reading room 1 cop.
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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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Žakelj, Luka, 1988- | ![]() |
Šernek, Milan | 16382 |
Šega, Bogdan | 13057 |
Source: Personal bibliographies
and: SICRIS
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