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Odpornost lesa lubadark na lesne glive
Slabe, Simon (Author), Humar, Miha (Mentor) More about this mentor... This link opens in a new window, Thaler, Nejc (Co-mentor)

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Abstract
Ohranjanje narave in njenih virov vztrajno pridobiva na pomenu. Različne organizacije so v zadnjih letih napravile velik korak k boljšemu ozaveščanju ljudi o skrbi za naš planet. Zato se tudi v lesarstvu trudimo, da bi povečali odstotek izkoriščanja lesne surovine. Nezaželeno je, da bi se lesno surovino direktno uporabljalo za pridobivanje energije, a vseeno gre velik delež lesa prav v ta namen. V magistrskem delu smo želeli dokazati, da pomodrel les, ki ima precej nižjo tržno vrednost, še vedno lahko dobra vhodna surovina za proizvodnjo materialov z višjo dodano vrednostjo, kot na primer termično modificiran les. Uporaba tega lesa v veliki meri zavisi od njegovih lastnosti. Zato smo pomodrelem lesu in kontrolnemu nepomodrelem lesu določili klasične sorpcijske lastnosti, dinamično sorpcijo vodne pare, izmerili stični kot, določili kapilarni vlek, lastnosti namakanja, impregnabilnost, izpiranje učinkovin, odpornost proti glivam razkrojevalkam ter, upogibno trdnost in tlačno trdnost. Na podlagi vseh teh parametrov smo videli, da pomodrel les hitreje vpija vodo a ima še vedno enake mehanske lastnosti kot nepomodrel les.

Language:Slovenian
Keywords:les/lubadarka/mehanske lastnosti/sorpcijske lastnosti/odpornost lesa/razkroj
Work type:Master's thesis/paper (mb22)
Tipology:2.09 - Master's Thesis
Organization:BF - Biotechnical Faculty
Year:2017
Publisher:[S. Slabe]
UDC:630*845
COBISS.SI-ID:2815369 Link is opened in a new window
Views:717
Downloads:223
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Secondary language

Language:English
Title:RESISTANCE OF THE WOOD DAMAGED BY BARK BEATLES TO WOOD DECAY FUNGI
Abstract:
Preserving nature and its resources is steadily gaining on importance. Different organizations have in recent years taken a substantial step to raise awareness of people on care for our planet. Therefore, in the wood industry we are working hard to increase the use of wood as a raw material. It is not optimal from any point of view to use solid wood for energetic purposes, but still a large proportion of wood is misused for this way. In this master project, we wanted to prove that coloured wood, which has a lot lower market value, can still be a good input material for production of high added value materials such as thermally modified wood. However the use of such material depends on its properties. For this reason we tested the coloured and non-coloured control timber and defined their classic sorption properties, the dynamic sorption of water vapour, contact angle, determined capillary suction, long-term water uptake, impregnability, resistance to fungal decay, flexural strength and compressive strength. Based on all of these parameters, we have seen that the coloured wood absorbs water quicker but still has the same mechanical properties as a non-coloured timber.

Keywords:wood/lubricant/mechanical properties/sorption properties/wood resistance/decomposition

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