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Mehanske in fizikalne lastnosti tenzijskega lesa jesena : diplomski projekt = Mechanical and physical properties of tension wood of ash wood : B. Sc. thesisDragosavac, PeterTenzijski les (TL) je reakcijsko tkivo listavcev, ki se od normalnega lesa (NL) razlikuje v anatomskih, kemijskih, fizikalnih in mehanskih lastnostih. Večji delež tenzijskega tkiva s svojim ... obnašanjem zmanjšuje kakovost lesa in povzroča težave pri obdelavi. Preučevali smo razlike nekaterih fizikalnih in mehanskih lastnosti med tenzijskim in normalnim lesom jesena (Fraxinus excelsior L.). Ugotovili smo, da je pri TL v primerjavi z NL krčenje v vzdolžni smeri malo večje, večji pa so tudi tangencialni skrčki. Gostota TL je nekoliko večja kot gostota NL, vendar razlike niso statistično značilne. Diferencialna nabreka v radialni in tangencialni smeri ne kažeta večjih razlik med kategorijama lesa. Koeficienta nabrekanja v radialni in tangencialni smeri nista različna, sorpcijski kvocient je večji pri (TL). Mehanske lastnosti TL so pri upogibu boljše kot pri NL, pri strigu in tlaku pa slabše.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [P. Dragosavac], 2011Language - slovenianCOBISS.SI-ID - 1959817
Author
Dragosavac, Peter
Other authors
Gorišek, Željko |
Čufar, Katarina
Topics
tenzijski les |
krčenje |
dimenzijska stabilnost |
sorpcijske lastnosti |
mehanske lastnosti |
Fraxinus excelsior L. |
tension wood |
shrinkage |
dimensional stability |
sorption characteristics |
mechanical properties |
Fraxinus excelsior L.
Library | Call number – location, accession no. ... | Copy status |
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BF, Dept. of Wood Technology, Lj. | Knjižnica BF za lesarstvo du1 12 IN: 020110092 |
available - reading room |
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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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Dragosavac, Peter | |
Gorišek, Željko | 05732 |
Čufar, Katarina | 02937 |
Source: Personal bibliographies
and: SICRIS
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