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Elastic strain at semi-isostatical compression of Scots pine (pinus sylvestris L.)
Dalarna University, School of Technology and Business Studies, Materials Technology.
2005 (English)In: Journal of Wood Science, ISSN 1435-0211, E-ISSN 1611-4663, Vol. 51, no 4, p. 401-404Article in journal (Refereed) Published
Abstract [en]

Quarter-sawn and plain-sawn specimens of Scots pine were semi-isostatically compressed at 5, 15, 50, and 140MPa in a Quintus press. Elastic strain was measured using a telescope device that was pushed together when wood was compressed and remained in this position at release of pressure. Delayed elastic and plastic strains were assessed through repeated callipering during 5 years after densification. At 140MPa, wood reached an almost compact structure (rho approximate to 1450kg/m(3)) but as a result of elastic springback the density decreased to just below 1000kg/m(3). At 140MPa, the elastic and delayed elastic strains were 14.6% and 1.8%, respectively, in quarter-sawn specimens, and were 13.1% and 0.8%, respectively, in plain-sawn specimens. The higher elastic strains in quarter-sawn specimens can be attributed to elastic springback in the tangentially deformed latewood bands.

Place, publisher, year, edition, pages
2005. Vol. 51, no 4, p. 401-404
National Category
Agricultural Science, Forestry and Fisheries
Identifiers
URN: urn:nbn:se:du-325DOI: 10.1007/s10086-004-0666-7ISI: 000232290400013OAI: oai:dalea.du.se:325DiVA, id: diva2:519325
Available from: 2004-08-23 Created: 2004-08-23 Last updated: 2022-07-06Bibliographically approved

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CiteExportLink to record
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  • apa
  • ieee
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  • Other style
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  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • text
  • asciidoc
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