Relationships between microfibril angle, modulus of elasticity and compressive strength in eucalyptus wood
Autor(a) principal: | |
---|---|
Data de Publicação: | 2012 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFLA |
Texto Completo: | http://repositorio.ufla.br/jspui/handle/1/38639 |
Resumo: | Many traits are known to be important in determining the value of Eucalyptus wood as sawn timber. The commercial importance of the microfibril angle (MFA) for wood quality is well established for a range of softwoods, but is less clear for hardwood species. For instance, the relationships of MFA with wood stiffness and compressive strength are unknown in Eucalyptus. Therefore, the aim of this study was to evaluate the correlation between MFA and the modulus of elasticity (Ec0,m) in compression parallel to grain and compressive strength (Fc0,k) using juvenile wood of Eucalyptus grandis from fast-growing plantations. The correlation between wood stiffness and compressive strength was high (0.91). The cellulose microfibril angle presented a correlation of -0.67 with wood stiffness and of -0.52 with compressive strength in Eucalyptus juvenile wood. MFA was found to be important in determining the mechanical behaviour of wood and appears to be a useful parameter to indicate wood stiffness and strength in juvenile Eucalyptus from short-rotation plantations. |
id |
UFLA_317ba0ff91462e78eefe920469f04c7a |
---|---|
oai_identifier_str |
oai:localhost:1/38639 |
network_acronym_str |
UFLA |
network_name_str |
Repositório Institucional da UFLA |
repository_id_str |
|
spelling |
Relationships between microfibril angle, modulus of elasticity and compressive strength in eucalyptus woodMicro-fibril angle (MFA)StiffnessCompressive strengthTimberMany traits are known to be important in determining the value of Eucalyptus wood as sawn timber. The commercial importance of the microfibril angle (MFA) for wood quality is well established for a range of softwoods, but is less clear for hardwood species. For instance, the relationships of MFA with wood stiffness and compressive strength are unknown in Eucalyptus. Therefore, the aim of this study was to evaluate the correlation between MFA and the modulus of elasticity (Ec0,m) in compression parallel to grain and compressive strength (Fc0,k) using juvenile wood of Eucalyptus grandis from fast-growing plantations. The correlation between wood stiffness and compressive strength was high (0.91). The cellulose microfibril angle presented a correlation of -0.67 with wood stiffness and of -0.52 with compressive strength in Eucalyptus juvenile wood. MFA was found to be important in determining the mechanical behaviour of wood and appears to be a useful parameter to indicate wood stiffness and strength in juvenile Eucalyptus from short-rotation plantations.Universidad del Bío-Bío2020-01-23T17:32:20Z2020-01-23T17:32:20Z2012info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfHEIN, P. R. G.; LIMA, J. T. Relationships between microfibril angle, modulus of elasticity and compressive strength in eucalyptus wood. Maderas. Ciencia y tecnología, Concepción, v. 14, n. 3, p. 267-274, 2012.http://repositorio.ufla.br/jspui/handle/1/38639Attribution-NonCommercial 4.0 Internationalhttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccessHein, Paulo Ricardo GherardiLima, José Tarcísioengreponame:Repositório Institucional da UFLAinstname:Universidade Federal de Lavras (UFLA)instacron:UFLA2020-01-23T17:32:20Zoai:localhost:1/38639Repositório InstitucionalPUBhttp://repositorio.ufla.br/oai/requestnivaldo@ufla.br || repositorio.biblioteca@ufla.bropendoar:2020-01-23T17:32:20Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)false |
dc.title.none.fl_str_mv |
Relationships between microfibril angle, modulus of elasticity and compressive strength in eucalyptus wood |
title |
Relationships between microfibril angle, modulus of elasticity and compressive strength in eucalyptus wood |
spellingShingle |
Relationships between microfibril angle, modulus of elasticity and compressive strength in eucalyptus wood Hein, Paulo Ricardo Gherardi Micro-fibril angle (MFA) Stiffness Compressive strength Timber |
title_short |
Relationships between microfibril angle, modulus of elasticity and compressive strength in eucalyptus wood |
title_full |
Relationships between microfibril angle, modulus of elasticity and compressive strength in eucalyptus wood |
title_fullStr |
Relationships between microfibril angle, modulus of elasticity and compressive strength in eucalyptus wood |
title_full_unstemmed |
Relationships between microfibril angle, modulus of elasticity and compressive strength in eucalyptus wood |
title_sort |
Relationships between microfibril angle, modulus of elasticity and compressive strength in eucalyptus wood |
author |
Hein, Paulo Ricardo Gherardi |
author_facet |
Hein, Paulo Ricardo Gherardi Lima, José Tarcísio |
author_role |
author |
author2 |
Lima, José Tarcísio |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Hein, Paulo Ricardo Gherardi Lima, José Tarcísio |
dc.subject.por.fl_str_mv |
Micro-fibril angle (MFA) Stiffness Compressive strength Timber |
topic |
Micro-fibril angle (MFA) Stiffness Compressive strength Timber |
description |
Many traits are known to be important in determining the value of Eucalyptus wood as sawn timber. The commercial importance of the microfibril angle (MFA) for wood quality is well established for a range of softwoods, but is less clear for hardwood species. For instance, the relationships of MFA with wood stiffness and compressive strength are unknown in Eucalyptus. Therefore, the aim of this study was to evaluate the correlation between MFA and the modulus of elasticity (Ec0,m) in compression parallel to grain and compressive strength (Fc0,k) using juvenile wood of Eucalyptus grandis from fast-growing plantations. The correlation between wood stiffness and compressive strength was high (0.91). The cellulose microfibril angle presented a correlation of -0.67 with wood stiffness and of -0.52 with compressive strength in Eucalyptus juvenile wood. MFA was found to be important in determining the mechanical behaviour of wood and appears to be a useful parameter to indicate wood stiffness and strength in juvenile Eucalyptus from short-rotation plantations. |
publishDate |
2012 |
dc.date.none.fl_str_mv |
2012 2020-01-23T17:32:20Z 2020-01-23T17:32:20Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
HEIN, P. R. G.; LIMA, J. T. Relationships between microfibril angle, modulus of elasticity and compressive strength in eucalyptus wood. Maderas. Ciencia y tecnología, Concepción, v. 14, n. 3, p. 267-274, 2012. http://repositorio.ufla.br/jspui/handle/1/38639 |
identifier_str_mv |
HEIN, P. R. G.; LIMA, J. T. Relationships between microfibril angle, modulus of elasticity and compressive strength in eucalyptus wood. Maderas. Ciencia y tecnología, Concepción, v. 14, n. 3, p. 267-274, 2012. |
url |
http://repositorio.ufla.br/jspui/handle/1/38639 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
Attribution-NonCommercial 4.0 International http://creativecommons.org/licenses/by-nc/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution-NonCommercial 4.0 International http://creativecommons.org/licenses/by-nc/4.0/ |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidad del Bío-Bío |
publisher.none.fl_str_mv |
Universidad del Bío-Bío |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFLA instname:Universidade Federal de Lavras (UFLA) instacron:UFLA |
instname_str |
Universidade Federal de Lavras (UFLA) |
instacron_str |
UFLA |
institution |
UFLA |
reponame_str |
Repositório Institucional da UFLA |
collection |
Repositório Institucional da UFLA |
repository.name.fl_str_mv |
Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA) |
repository.mail.fl_str_mv |
nivaldo@ufla.br || repositorio.biblioteca@ufla.br |
_version_ |
1807835158202548224 |