BF, Dept. of Wood Technology, Lj. (BFLES)
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Razvoj trdnosti polivinilacetatnega lepilnega spoja pri lepljenju furnirja : diplomsko delo = Development of polyvinylacetate adhesive bond strength at gluing of veneer : B. Sc. thesisŠauperl, ToniProučevali smo razvoj trdnosti polivinilacetatnega (PVAc) lepilnega spoja pri lepljenju furnirja. Preizkušanci so bili standardnih dimenzij iz bukovega (Fagus sylvatica L.) furnirja debeline 0,84 mm. ... Klimatizirani so bili pri sobnih pogojih: 25 °C in 50 % vlažnosti. Uporabili smo dve vrsti PVAc lepil proizvajalca Mitol: Mekol D3 in Mekol SPECIAL, ki sta bili že vnaprej pripravljeni. Graditev strižne trdnosti PVAc lepilnega spoja med vročim stiskanjem smo ugotavljali s pomočjo ABES (Automated Bonding Evaluation System) instrumenta. Temperatura stiskanja je bila konstantna in je znašala 80 °C, čas stiskanja smo za posamezno meritev spreminjali in je bil v razponu od 30 do 300 s v intervalu 30 s. Proučevali smo tudi vpliv 5 s in 30 s hlajenja po vročem stiskanju na končno trdnost lepilnega spoja. Rast temperature v lepilnem spoju smo spremljali s termočlenom. Ugotovili smo, da je strižna trdnost PVAc lepilnih spojev naraščala s časom stiskanja in po določenem času dosegla maksimalno vrednost. Vrsta PVAc lepila ni bistveno vplivala na končno trdnost ohlajenega lepilnega spoja, medtem ko je pri vroče testiranih spojih bila razlika v trdnosti. Ugotovili smo, da so preizkušanci pod vplivom hlajenja dosegali bistveno višje trdnosti lepilnega spoja, kot vroče testirani. Najvišjo strižno trdnost lepilnega spoja smo dosegli z lepilom Mekol D3 pod 30 s vplivom hlajenja in je znašala 8,69 N/mm2.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [T. Šauperl], 2020Language - slovenianCOBISS.SI-ID - 28384515
Author
Šauperl, Toni
Other authors
Šernek, Milan |
Kariž, Mirko
Topics
furnir |
lepilni spoj |
PVAc |
strižna trdnost |
vpliv temperature |
veneer |
adhesive bond |
PVAc |
shear strength |
influence of temperature
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Knjižnica BF za lesarstvo dv1 0000000135 IN: 020200051 Knjižnica BF za lesarstvo dv1 135 IN: 020200051 |
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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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Šauperl, Toni | |
Šernek, Milan | 16382 |
Kariž, Mirko | 29227 |
Source: Personal bibliographies
and: SICRIS
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