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Wood Material Science and Engineering
Other literature type . Article . 2020
License: CC BY NC ND
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Wood Material Science and Engineering
Article
License: CC BY NC ND
Data sources: UnpayWall
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Article . 2020
License: CC BY
Data sources: ZENODO
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Densified wood impregnated with phenol resin for reduced set-recovery

Authors: Matthew Schwarzkopf;

Densified wood impregnated with phenol resin for reduced set-recovery

Abstract

Thermal-hydro-mechanical (THM) densification treatments were performed on Populus spp. (poplar), Picea abies (spruce), and Fagus sylvatica (beech). Prior to THM treatment, a low-molecular weight resin was impregnated into the wood structure. Densification results, mechanical characteristics (modulus of elasticity, rupture, and hardness), and set-recovery were assessed. All wood species were exposed to the same THM treatment and the specific anatomy, density, and physical behaviors yielded results specific to wood species making comparisons between species difficult. However, the mechanical performance of all samples was largely dictated by the specimens’ surface density as seen in the density profiles. Spruce specimens had high levels of set-recovery after the THM treatment, which is believed to be caused by pit aspiration from kiln drying, limiting impregnation of the resin. The THM treatment used in this study was successfully applied to poplar, spruce, and beech. The resin impregnation combined with THM treatment led to densified wood with improved mechanical properties. The improvements were the greatest in poplar, including the largest reduction in set-recovery, which was the objective of this study. When comparing mechanical properties to commercially available structural wood-composites the results from this study indicate that resin impregnated THM treated wood could be used in this application.

Related Organizations
Subjects by Vocabulary

Microsoft Academic Graph classification: biology Picea abies biology.organism_classification chemistry.chemical_compound Horticulture chemistry Fagus sylvatica Phenol Beech

Keywords

THM, densification, General Materials Science, wood modification, impregnation

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  • citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    31
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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visibility
download
citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
OpenAIRE UsageCountsViews provided by UsageCounts
downloads
OpenAIRE UsageCountsDownloads provided by UsageCounts
31
Top 10%
Top 10%
Top 10%
194
252
Funded by
EC| InnoRenew CoE
Project
InnoRenew CoE
Renewable materials and healthy environments research and innovation centre of excellence
  • Funder: European Commission (EC)
  • Project Code: 739574
  • Funding stream: H2020 | SGA-CSA
Validated by funder
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