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Mode I fracture of beech-adhesive bondline at three different temperaturesPečnik, Jaka Gašper ...Single edge-notched three-point bending tests (SEN-TPB) for mode I were utilized to experimentallyevaluate fracture properties of adhesive bondlines in European beech (Fagus SylvaticaL.). Thebondline ... was examined at two anatomical planes with TR and RT orientation and at control andtwo elevated temperatures (70°C and 140°C). Among epoxy (EPI), melamine-urea formaldehyde(MUF), and polyurethane (PUR) adhesives, the highest average critical energyGcwith 0.80 N/mmand fracture energyGfwith 1079.4 N/mm were obtained for EPI in the TR plane and understandard climate conditions (20°C/65% relative humidity), followed by MUF (Gc= 0.50 N/mm andGf= 620 N/mm) and PUR (Gc= 0.25 N/mm andGf= 290.9 N/mm), respectively. PUR was leasteffected by elevated temperature, and no significant differences forGcandGfbetween TR and RTbondline orientations were found for MUF and PUR treated at 20°C/65% relative humidity whilecomparisons between other factors varied significantly. Treatment of specimens at elevatedtemperatures resulted in reduced fracture performance regardless of wood grain orientation orthe adhesive system.Source: Wood Material Science & Engineering. - ISSN 1748-0272 (Vol. 18, iss. 4, 2022, str. 1349-1359)Type of material - article, component part ; adult, seriousPublish date - 2022Language - englishCOBISS.SI-ID - 135318531
Author
Pečnik, Jaka Gašper |
Pondelak, Andreja |
Burnard, Michael David |
Sebera, Václav
Topics
crack |
fracture |
grain orientation |
temperature |
European Beech |
razpoka |
lom |
orientacija lesa |
temperatura |
Evropska bukovina
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Author | Pečnik, Jaka Gašper ... |
Title | Mode I fracture of beech-adhesive bondline at three different temperatures |
Publication date | 2022-11-07 |
COBISS.SI-ID | 135318531 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution 4.0 International |
Embargo | Immediate publication for public |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
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Renewable materials and healthy environments research and innovation centre of excellence | InnoRenew CoE | 739574 |
European Commission |
Infrastrukturna skupina Univerze na Primorskem | I0-0035-2015 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Gozdno-lesna veriga in podnebne spremembe: prehod v krožno biogospodarstvo | P4-0430-2022 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Experimental and numerical assessment of the bearing capacity of notches in timber beams at arbitrary locations using LEFM | GA21-29389S |
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source: Wood Material Science & Engineering. - ISSN 1748-0272 (Vol. 18, iss. 4, 2022, str. 1349-1359)
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Database name | Field | Year |
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Pečnik, Jaka Gašper | 50087 |
Pondelak, Andreja | 35412 |
Burnard, Michael David | 36182 |
Sebera, Václav | 50984 |
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