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Zauer, Mario [Author]; Meissner, Frank [Author]; Plagge, Rudolf [Author]; Wagenführ, André [Author]

Capillary pore-size distribution and equilibrium moisture content of wood determined by means of pressure plate technique

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  • Media type: E-Article
  • Title: Capillary pore-size distribution and equilibrium moisture content of wood determined by means of pressure plate technique
  • Contributor: Zauer, Mario [Author]; Meissner, Frank [Author]; Plagge, Rudolf [Author]; Wagenführ, André [Author]
  • imprint: Berlin : De Gruyter, [2020]
  • Language: English
  • DOI: 10.1515/hf-2014-0340
  • ISSN: 0018-3830
  • Keywords: high relative humidity (RH) ; Gleichgewichts-Feuchtigkeitsgehalt (EMC) ; kapillare Porengrößenverteilung (CPSD) ; technology ; thermally modified wood ; thermisch modifiziertes Holz ; Druckplattentechnik (PPT) ; pressure plate technique (PPT) ; Technik ; hohe relative Luftfeuchtigkeit (RH) ; capillary pore-size distribution (CPSD) ; Fasersättigungspunkt (FSP) ; equilibrium moisture content (EMC) ; fiber saturation point (FSP)
  • Origination:
  • Footnote: Hinweis: Link zum Artikel der zuerst in der Zeitschrift 'Holzforschung' erschienen ist DOI: 10.1515/hf-2014-0340
  • Description: This paper deals with the determination of the capillary pore-size distribution (CPSD) and equilibrium moisture content (EMC) of untreated and thermally modified (TM) Norway spruce [Picea abies (L.) Karst.] by means of the pressure plate technique (PPT). Desorption experiments were conducted at very high values of relative humidity (RH) in the range between 99.2% and 100%. The thermal modification of spruce results in an alteration of the CPSD, owing to the formation of intercellular cracks in the middle lamella, as a result of cell-wall compression. The desorption curves for both untreated and TM spruce show an extremely upward bend at 99.97% RH. This step reflects an EMC of 38.1% for untreated spruce and 33.8% for TM spruce. None of the samples shrunk during the PPT measurements. Following desorption experiments at 97.4% RH, all samples shrunk. This step reflects an EMC of 27.9% for untreated spruce and 21.7% for TM spruce.
  • Access State: Open Access
  • Rights information: In Copyright