Pine wood modification by heat treatment in air
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2008 |
| Tipo de documento: | Artigo |
| Idioma: | eng |
| Título da fonte: | Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) |
| Texto Completo: | http://hdl.handle.net/10400.19/1079 |
Resumo: | Maritime pine (Pinus pinaster) wood has low dimensional stability and durability. Heat treatment was made in an oven using hot air during 2 to 24 h and at 170-200 ºC. A comparison was made against steam heat treatment. The equilibrium moisture content and the dimensional stability (ASE) in radial and tangential directions were evaluated at 35%, 65% and 85% relative humidity. MOE, bending strength and wettability were also determined. At the same mass loss improvements of equilibrium moisture content and dimensional stability were higher for oven heat treatment but the same happened for mechanical strength degradation. A 50% decrease in hemicellulose content led to a similar decrease in bending strength. |
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Pine wood modification by heat treatment in airHeat treatmentwood modificationMaritime pine (Pinus pinaster) wood has low dimensional stability and durability. Heat treatment was made in an oven using hot air during 2 to 24 h and at 170-200 ºC. A comparison was made against steam heat treatment. The equilibrium moisture content and the dimensional stability (ASE) in radial and tangential directions were evaluated at 35%, 65% and 85% relative humidity. MOE, bending strength and wettability were also determined. At the same mass loss improvements of equilibrium moisture content and dimensional stability were higher for oven heat treatment but the same happened for mechanical strength degradation. A 50% decrease in hemicellulose content led to a similar decrease in bending strength.Instituto Politécnico de ViseuEsteves, Bruno2012-04-30T11:58:20Z20082008-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.19/1079enginfo:eu-repo/semantics/openAccessreponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAP2025-03-06T13:54:30Zoai:repositorio.ipv.pt:10400.19/1079Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-29T00:08:57.943112Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse |
| dc.title.none.fl_str_mv |
Pine wood modification by heat treatment in air |
| title |
Pine wood modification by heat treatment in air |
| spellingShingle |
Pine wood modification by heat treatment in air Esteves, Bruno Heat treatment wood modification |
| title_short |
Pine wood modification by heat treatment in air |
| title_full |
Pine wood modification by heat treatment in air |
| title_fullStr |
Pine wood modification by heat treatment in air |
| title_full_unstemmed |
Pine wood modification by heat treatment in air |
| title_sort |
Pine wood modification by heat treatment in air |
| author |
Esteves, Bruno |
| author_facet |
Esteves, Bruno |
| author_role |
author |
| dc.contributor.none.fl_str_mv |
Instituto Politécnico de Viseu |
| dc.contributor.author.fl_str_mv |
Esteves, Bruno |
| dc.subject.por.fl_str_mv |
Heat treatment wood modification |
| topic |
Heat treatment wood modification |
| description |
Maritime pine (Pinus pinaster) wood has low dimensional stability and durability. Heat treatment was made in an oven using hot air during 2 to 24 h and at 170-200 ºC. A comparison was made against steam heat treatment. The equilibrium moisture content and the dimensional stability (ASE) in radial and tangential directions were evaluated at 35%, 65% and 85% relative humidity. MOE, bending strength and wettability were also determined. At the same mass loss improvements of equilibrium moisture content and dimensional stability were higher for oven heat treatment but the same happened for mechanical strength degradation. A 50% decrease in hemicellulose content led to a similar decrease in bending strength. |
| publishDate |
2008 |
| dc.date.none.fl_str_mv |
2008 2008-01-01T00:00:00Z 2012-04-30T11:58:20Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
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article |
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publishedVersion |
| dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10400.19/1079 |
| url |
http://hdl.handle.net/10400.19/1079 |
| dc.language.iso.fl_str_mv |
eng |
| language |
eng |
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info:eu-repo/semantics/openAccess |
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openAccess |
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application/pdf |
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reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia instacron:RCAAP |
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RCAAP |
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Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) |
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Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) |
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Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia |
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info@rcaap.pt |
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1833600416770686976 |