Počet záznamov: 1
Surface properties of beech wood modified by CO2 laser
SYS 0100709 LBL 00000naa^^22^^^^^^^^450 005 20190405140913.4 017 70
$a 10.17423/afx.2019.61.1.01 $2 DOI 100 $a 20190401a m y0sloy0103 ba 101 0-
$a eng 102 $a SK 200 1-
$a Surface properties of beech wood modified by CO2 laser $f Jozef Kúdela ... [et al.] 215 $c Obr., tab. 320 $a Lit. 330 $a The paper is focusedon the analysis of surface properties of beech wood modified by the CO2 laser. Colour and morphological changes inthe beech wood surface subjected to laser treatment under different irradiation doseswere monitored. Experiments were carried out toinvestigatethe wetting surfaces treated with standard liquids. Free surface energy values were also determined for these surfaces. The results showed that increasing the irradiation dose over a range of 0-75 J∙cm-² induced a significant increase in the total colour difference (DE*= 45).This discolouration was caused by a significant decrease in brightness L* from 73 to 30 and also by the decreased colour coordinates a*a b*. Significant morphological changes were not detected except at the highest irradiation dosewith the entire surface layer being carbonised and the surface roughness increased.Anincreasein irradiation dosesresulted in a decrease inthe surface free energy values of beech wood. However, the wood surface modified this waystill complied with the requirements for surface treatment with coating materials and for gluing. 463 -1
$1 001 sldk_un_cat*0100704 $1 011 $a 1336-3824 $1 200 1 $a Acta Facultatis Xylologiae Zvolen $e vedecký časopis Drevárskej fakulty $v Vol. 61, no. 1 (2019), s. 5-18 $1 210 $a Zvolen $c Technická univerzita vo Zvolene $d 2019 610 1-
$9 sldk_un_auth*h001468 $a bukové drevo $X beech wood 610 1-
$9 sldk_un_auth*0016209 $a CO2 lasery $X carbon dioxide lasers 610 1-
$9 sldk_un_auth*0027158 $a povrchové vlastnosti $X surface properties 610 1-
$9 sldk_un_auth*h013461 $a farba dreva $X colour of wood 610 1-
$9 sldk_un_auth*h012405 $a drsnosť $X roughness 610 1-
$9 sldk_un_auth*0026736 $a vlnitá štruktúra $X wavy structure 610 1-
$9 sldk_un_auth*h016191 $a zmáčanie $X wetting 675 $a 674.031.632.2 $v 2. stred. $z slo 675 $a 630*81 $v 1. stred. $z slo 700 -1
$3 sldk_un_auth*p0018578 $a Kúdela $b Jozef $f 1954- $p TUZDFNOD $4 070 $T Katedra náuky o dreve 701 -1
$3 sldk_un_auth*p0028092 $a Reinprecht $b Ladislav $f 1953- $p TUZDFDT $4 070 $T Katedra drevárskych technológií 701 -1
$3 sldk_un_auth*0034687 $a Tiralová $b Zuzana $f 1975- $p TUZDFDT $4 070 $T Katedra drevárskych technológií 701 -1
$3 sldk_un_auth*0042952 $a Andrejko $b Michal $f 1992- $p TUZDFNOD $4 070 $T Katedra náuky o dreve 801 -0
$a SK $b ZV001 $c 20190401 $g AACR2 856 4-
$u https://df.tuzvo.sk/sites/default/files/01-01-19.pdf
Počet záznamov: 1