BF, Dept. of Wood Technology, Lj. (BFLES)
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Ebonizacija svetlih lesov [Elektronski vir] : diplomsko delo = Ebonisation of light colored woods : B. Sc. ThesisSkerbiš, JernejEbonizacija je tehnika površinske obdelave lesa, pri kateri je končni rezultat počrnela površina. Pripravili smo radialno in tangencialno usmerjene vzorce izbranih lesnih vrst 4 iglavcev in 18 ... listavcev ter jim določili vlažnosti. Na podlagi preliminarnega poizkusa smo pripravili raztopino železovega acetata (10 g/l) in raztopino tanina z destilirano vodo v razmerju 1 : 9 (1 enota tanina / 9 enot vode). S temi raztopinami smo premazali površine vzorcev in nato barvne spremembe ovrednotili vizualno in po CIELAB barvnem sistemu. Vzorce smo nato umetno starali z izpostavitvijo UV svetlobi, zatem pa ponovno izvedli CIELAB analizo. Ugotovili smo, da kombinacija tanina in železovega acetata učinkovito potemni, ebonizira vse lesne vrste, ki smo jih proučevali v naši raziskavi. Pri eboniziranih lesovih iglavcev se rani les obarva temneje kot kasni les. Difuzno porozni listavci imajo bolj homogen barvni odtenek kot venčasto porozni, na katerih ostaja nehomogenost lesnega tkiva izrazita. Ugotovili smo, da so se barvne spremembe pojavile samo na površini lesa. Poizkus umetnega staranja je pokazal, da je ebonizira površina zbledela in tako ni obstojna na izpostavitev UV svetlobi.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [J. Skerbiš], 2022Language - slovenianCOBISS.SI-ID - 124014083
Author
Skerbiš, Jernej
Other authors
Oven, Primož |
Vek, Viljem |
Pavlič, Matjaž
Topics
les |
potemnitev lesa |
premazi |
železov acetat |
tanini |
wood |
darkening of wood |
surface coatings |
iron acetate |
tannins
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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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Skerbiš, Jernej | |
Oven, Primož | 11223 |
Vek, Viljem | 30758 |
Pavlič, Matjaž | 20386 |
Source: Personal bibliographies
and: SICRIS
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