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Reološke lastnosti fenol-formaldehidnega lepila med procesom utrjevanja : diplomsko delo - univerzitetni študij = Rheological properties of phenol-formaldehyde adhesive during the process of curing : graduation thesis - university studiesVeren, ZlatkoZ oscilatornim testom smo raziskali reološke lastnosti fenol-formaldehidnih (FF) lepil med procesom utrjevanja pri konstantni frekvenci obremenjevanja 1Hz, v sistemih les-lepilo-les in ... aluminij-lepilo-aluminij. Raziskali smo vpliv hitrosti segrevanja (10 °C/min, 20 °C/min, 30 °C/min, 40 °C/min, 50 °C/min in 60 °C/min) in vrste podlage (aluminijasti, bukovi in smrekovi diski) na elastični strižni modul (G') in viskozni strižni modul (G'') FF lepila. Za vpliv temperature na G' in G'' FF lepila pri različnih hitrosti segrevanja smo uporabili le aluminijaste diske, saj so najbolj izkazovali karakteristične lastnosti pri utrjevanju. Raziskali smo tudi vpliv podlage na točko želiranja in zamreženja FF lepila pri različnih hitrostih segrevanja. Ugotovili smo, da sta oba modula, pri uporabi aluminijastih diskov, začela naraščati nekoliko prej, kot pri uporabi lesenih diskov, uporaba bukovih diskov v primerjavi s smrekovimi pa ni bistveno vplivala na G' in G'' FF lepila. Hitrost segrevanja FF lepila je pri vseh vrstah podlag vplivala na čas utrjevanja FF lepila, ki se je s povišano hitrostjo segrevanja zmanjševal. Pri uporabi aluminijastih diskov smo ugotovili, da se je z naraščanjem hitrosti segrevanja FF lepila, zmanjševala tudi temperatura, pri kateri sta krivulji obeh modulov začeli naraščati. Časi želiranja in zamreženja FF lepila se glede na vrsto podlage niso bistveno razlikovali. Večje razlike so nastale pri temperaturi želiranja in zamreženja FF lepila.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [Z. Veren], 2016Language - slovenianCOBISS.SI-ID - 2594185
Author
Veren, Zlatko
Other authors
Šernek, Milan |
Petrič, Marko, 1962-
Topics
reologija |
utrjevanje lepil |
fenol-formaldehidna lepila |
elastični strižni modul |
viskozni strižni modul |
rheology |
curing of adhesives |
phenol-formaldehyde adhesives |
storage modulus |
loss modulus
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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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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Veren, Zlatko | |
Šernek, Milan | 16382 |
Petrič, Marko, 1962- | 00395 |
Source: Personal bibliographies
and: SICRIS
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