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Influence of natural and artificial weathering on the colour change of different wood and wood-based materials
ID
Kržišnik, Davor
(
Avtor
),
ID
Lesar, Boštjan
(
Avtor
),
ID
Thaler, Nejc
(
Avtor
),
ID
Humar, Miha
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(6,83 MB)
MD5: C2D60144D36FF4D9DCF5BB81D1F12884
URL - Izvorni URL, za dostop obiščite
http://www.mdpi.com/1999-4907/9/8/488
Galerija slik
Izvleček
The importance of the aesthetic performance of wood is increasing and the colour is one of the most important parameters of aesthetics, hence the colour stability of twelve different wood-based materials was evaluated by several in-service and laboratory tests. The wood used for wooden façades and decking belongs to a group of severely exposed surfaces. Discolouration of wood in such applications is a long-known phenomenon, which is a result of different biotic and abiotic causes. The ongoing in-service trial started in October 2013, whilst a laboratory test mimicking seasonal exposure was performed in parallel. Samples were exposed to blue stain fungi (Aureobasidium pullulans and Dothichiza pithyophila) in a laboratory test according to the EN 152 procedure. Afterwards, the same samples were artificially weathered and re-exposed to the same blue stain fungi for the second time. The purpose of this experiment was to investigate the synergistic effect of weathering and staining. The broader aim of the study was to determine the correlation factors between artificial and natural weathering and to compare laboratory and field test data of fungal disfigurement of various bio-based materials. During the four years of exposure, the most prominent colour changes were determined on decking. Respective changes on the façade elements were significantly less prominent, being the lest evident on the south and east façade. The results showed that there are positive correlations between natural weathering and the combination of artificial weathering and blue staining. Hence, the artificial weathering of wood-based materials in the laboratory should consist of two steps, blue staining and artificial weathering, in order to simulate colour changes.
Jezik:
Angleški jezik
Ključne besede:
artificial weathering
,
blue staining fungi
,
colour change
,
natural weathering
,
wood
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
BF - Biotehniška fakulteta
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2018
Št. strani:
22 str.
Številčenje:
Vol. 9, iss. 8, art. 488
PID:
20.500.12556/RUL-131640
UDK:
630*8
ISSN pri članku:
1999-4907
DOI:
10.3390/f9080488
COBISS.SI-ID:
2933385
Datum objave v RUL:
30.09.2021
Število ogledov:
735
Število prenosov:
160
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Forests
Skrajšan naslov:
Forests
Založnik:
MDPI
ISSN:
1999-4907
COBISS.SI-ID:
3872166
Licence
Licenca:
CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:
To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:
10.08.2018
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
umetno pospešeno staranje
,
glive modrivke
,
barvne spremembe
,
naravno staranje
,
les
Projekti
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
L4-5517
Naslov:
Preprečevanje vlaženja lesa kot merilo učinkovitosti zaščite lesa pred glivami razkrojevalkami
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
L4-7547
Naslov:
Obnašanje lesa in lignoceluloznih kompozitov v zunanjih pogojih
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P4-0015
Naslov:
Les in lignocelulozni kompoziti
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Program financ.:
Infrastructural centre
Številka projekta:
0481-09
Akronim:
IC LES PST
Financer:
Drugi - Drug financer ali več financerjev
Program financ.:
Sustainable and innovative construction of smart buildings—TIGR4smart
Številka projekta:
C3330-16-529003
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