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Kakovost lepilnega spoja okenskih profilov iz termično modificirane smrekovine : diplomsko delo - visokošolski strokovni študij = The quality of the adhesive bond of window profiles from thermally modified spruce : graduation thesis - higher professional studiesBožič, Robert, 1967-Termična modifikacija je sodoben postopek zaščite lesa, kateri mu izboljša dimenzijsko stabilnost in obstojnost. Tako zaščiteno leseno okno je kvalitetnejše in konkurenčnejše na trgu. V diplomski ... nalogi smo zato proučevali vpliv termične modifikacije na kakovost lepljenja okenskega profila iz smrekovine. Uporabili smo smrekov les in tri različne vrste lepil (PVAc, PU, EPI), s katerimi smo zlepili termično modificiran in nemodificiran les. Zlepljenim preizkušancem smo ugotavljali strižno trdnost spojev in delež loma po lesu po standardu EN 392. Da bi ugotovili vpliv vode na lepilne spoje, pa smo del preizkušancev izpostavili 24 urnem namakanju v vodi s sobno temperaturo. Pri termični modifikaciji se smreki spremenijo lastnosti, ki posredno ali pa neposredno vplivajo na utrjevanje lepil in kakovost lepilnih spojev. Rezultati testa strižne trdnosti so pokazali, da je termično modificiran les možno kvalitetno zlepiti z PU in EPI lepili. Da zagotovimo kvaliteten lepilni spoj moramo postopek lepljenja prilagoditi spremenjenim lastnostim modificiranega lesa. Obe vrsti lepil utrjujeta kemično in za reakcijo potrebujeta višjo vlažnost kot jo ima modificiran les. Pred lepljenjem zato lepilne površine dodatno navlažimo, čas stiskanja pa povečamo. PVAc lepilo pa je manj kvalitetno zlepilo termično modificiran les, kar se je pokazalo predvsem pri testiranju mokrih preizkušancev.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [R. Božič], 2016Language - slovenianCOBISS.SI-ID - 2641545
Author
Božič, Robert, 1967-
Other authors
Šernek, Milan |
Kariž, Mirko |
Kitek Kuzman, Manja
Topics
lepljenje |
termično modificiran les |
strižna trdnost |
trdnost spoja |
bonding |
heat treated wood |
shear strenght |
bond strength
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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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Year | Impact factor | Edition | Category | Classification | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
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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Božič, Robert, 1967- | ![]() |
Šernek, Milan | 16382 |
Kariž, Mirko | 29227 |
Kitek Kuzman, Manja | 20385 |
Source: Personal bibliographies
and: SICRIS
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