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Vpliv deleža skorje na mehanske lastnosti ivernih plošč : diplomsko delo - visokošolski strokovni študij = Theimpact of bark share on mechanical properties of particleboard : graduation thesis - higher professional studiesŠčernjavič, RomanRaziskovali smo mehanske lastnosti ivernih plošč z različnim deležem skorje. Iverje je bilo iz lesa smreke, jelke in bora, ter skorje macesna, smreke, bora in pinije. Izdelali smo 5 vrst ivernih ... plošč z deležem skorje 0, 10, 20, 40 in 50 %. Izdelanim ploščam smo določili vsebnost vlage, debelino, gostoto, debelinski nabrek po potopu v vodo, razslojno in upogibno trdnost ter modul elastičnosti. Izvedli smo tudi sejalno analizo iverja lesa in iverja skorje. Ugotovili smo, da je delež večjega iverja večji pri lesu, pri manjših frakcijah pa je ta večji pri skorji. Pri merjenju vlažnosti ivernih plošč smo ugotovili, da so bile razlike v vlažnosti minimalne. Merjenje debeline ivernih plošč je pokazalo, da se je z večanjem deleža skorje v iverni plošči debelina zmanjševala, gostota pa se povečevala. Meritev debelinskega nabreka ivernih plošč po potapljanju v vodi je pokazala, da se z večanjem deleža skorje debelinski nabrek zmanjšuje. Pri merjenju upogibne in razslojne trdnosti smo ugotovili, da je imela iverna plošča z 10 % deležem skorje najvišje vrednosti. Najvišjo vrednost modula elastičnosti pa je imela plošča brez skorje. Modul elastičnosti se je zmanjševal s povečanjem deleža skorje v iverni plošči.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [R. Ščernjavič], 2009Language - slovenianCOBISS.SI-ID - 1777545
Author
Ščernjavič, Roman
Other authors
Medved, Sergej |
Šernek, Milan
Topics
iverna plošča |
skorja |
mehanske lastnosti |
particleboard |
bark |
mechanical properties |
mechanical properties
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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Ščernjavič, Roman | |
Medved, Sergej | 15410 |
Šernek, Milan | 16382 |
Source: Personal bibliographies
and: SICRIS
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