Use of glass transition temperature for stabilization of board's cracks of Eucalyptus grandis
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Anais da Academia Brasileira de Ciências (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000300025 |
Resumo: | The Eucalyptus grandis logs temperatures were determined and correlated with the board's cracks during steaming. Thermocouples were inserted in the logs center, registering their temperatures during steaming at 90"C. The logs were sawed and the board's cracks measured. It was concluded that: (1) the logistic S-shaped curve explains the logs temperature variation; (2) the logs with diameter of 20 to <25, 25 to <30 and 30 to <35 cm presented, respectively, 84.2"C, 73.1"C and 45.8"C in the steaming; and (3) the cracks lengths significantly decreased in logs that reached the glass transition temperature. |
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Use of glass transition temperature for stabilization of board's cracks of Eucalyptus grandisboard's cracksEucalyptus grandisglass transition temperaturelogs steamingThe Eucalyptus grandis logs temperatures were determined and correlated with the board's cracks during steaming. Thermocouples were inserted in the logs center, registering their temperatures during steaming at 90"C. The logs were sawed and the board's cracks measured. It was concluded that: (1) the logistic S-shaped curve explains the logs temperature variation; (2) the logs with diameter of 20 to <25, 25 to <30 and 30 to <35 cm presented, respectively, 84.2"C, 73.1"C and 45.8"C in the steaming; and (3) the cracks lengths significantly decreased in logs that reached the glass transition temperature.Academia Brasileira de Ciências2010-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000300025Anais da Academia Brasileira de Ciências v.82 n.3 2010reponame:Anais da Academia Brasileira de Ciências (Online)instname:Academia Brasileira de Ciências (ABC)instacron:ABC10.1590/S0001-37652010000300025info:eu-repo/semantics/openAccessCalonego,Fred W.Severo,Elias T.D.Cunha,Antonio R.Gaia,Daiane C.eng2010-09-03T00:00:00Zoai:scielo:S0001-37652010000300025Revistahttp://www.scielo.br/aabchttps://old.scielo.br/oai/scielo-oai.php||aabc@abc.org.br1678-26900001-3765opendoar:2010-09-03T00:00Anais da Academia Brasileira de Ciências (Online) - Academia Brasileira de Ciências (ABC)false |
dc.title.none.fl_str_mv |
Use of glass transition temperature for stabilization of board's cracks of Eucalyptus grandis |
title |
Use of glass transition temperature for stabilization of board's cracks of Eucalyptus grandis |
spellingShingle |
Use of glass transition temperature for stabilization of board's cracks of Eucalyptus grandis Calonego,Fred W. board's cracks Eucalyptus grandis glass transition temperature logs steaming |
title_short |
Use of glass transition temperature for stabilization of board's cracks of Eucalyptus grandis |
title_full |
Use of glass transition temperature for stabilization of board's cracks of Eucalyptus grandis |
title_fullStr |
Use of glass transition temperature for stabilization of board's cracks of Eucalyptus grandis |
title_full_unstemmed |
Use of glass transition temperature for stabilization of board's cracks of Eucalyptus grandis |
title_sort |
Use of glass transition temperature for stabilization of board's cracks of Eucalyptus grandis |
author |
Calonego,Fred W. |
author_facet |
Calonego,Fred W. Severo,Elias T.D. Cunha,Antonio R. Gaia,Daiane C. |
author_role |
author |
author2 |
Severo,Elias T.D. Cunha,Antonio R. Gaia,Daiane C. |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Calonego,Fred W. Severo,Elias T.D. Cunha,Antonio R. Gaia,Daiane C. |
dc.subject.por.fl_str_mv |
board's cracks Eucalyptus grandis glass transition temperature logs steaming |
topic |
board's cracks Eucalyptus grandis glass transition temperature logs steaming |
description |
The Eucalyptus grandis logs temperatures were determined and correlated with the board's cracks during steaming. Thermocouples were inserted in the logs center, registering their temperatures during steaming at 90"C. The logs were sawed and the board's cracks measured. It was concluded that: (1) the logistic S-shaped curve explains the logs temperature variation; (2) the logs with diameter of 20 to <25, 25 to <30 and 30 to <35 cm presented, respectively, 84.2"C, 73.1"C and 45.8"C in the steaming; and (3) the cracks lengths significantly decreased in logs that reached the glass transition temperature. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-09-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000300025 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000300025 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S0001-37652010000300025 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Academia Brasileira de Ciências |
publisher.none.fl_str_mv |
Academia Brasileira de Ciências |
dc.source.none.fl_str_mv |
Anais da Academia Brasileira de Ciências v.82 n.3 2010 reponame:Anais da Academia Brasileira de Ciências (Online) instname:Academia Brasileira de Ciências (ABC) instacron:ABC |
instname_str |
Academia Brasileira de Ciências (ABC) |
instacron_str |
ABC |
institution |
ABC |
reponame_str |
Anais da Academia Brasileira de Ciências (Online) |
collection |
Anais da Academia Brasileira de Ciências (Online) |
repository.name.fl_str_mv |
Anais da Academia Brasileira de Ciências (Online) - Academia Brasileira de Ciências (ABC) |
repository.mail.fl_str_mv |
||aabc@abc.org.br |
_version_ |
1754302857664790528 |