Mechanical characterization of Iroko wood using small specimens
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/1822/72650 |
Resumo: | Despite their favorable physical and mechanical properties for structural use, tropical woods, such as Iroko (<i>Milicia excelsa</i>), present knowledge gaps to be filled mainly about their mechanical characterization, which currently limit their use or result in under- or overdimensioned structural elements. Visual classification, one of the most used methods for characterizing wood, is inaccurate in the case of Iroko due to the wide variety of geographical locations in which this species can be found. In addition, mechanical characterization using test pieces with structural dimensions leads to high and impractical costs. In this context, this study aims to verify the mechanical properties of Iroko (imported from the Republic of the Congo) from small size specimens, a process that is currently standardized only for softwoods, and to verify the correlation of different properties through bending properties and ultrasound tests. Prior to the bending tests, the speed of propagation of ultrasonic waves was measured using the direct method. The results obtained show a good correlation between density and bending properties and the velocity of propagation of ultrasonic waves. |
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Mechanical characterization of Iroko wood using small specimensTropical woodsMechanical propertiesBending testsUltrasound testsScience & TechnologyDespite their favorable physical and mechanical properties for structural use, tropical woods, such as Iroko (<i>Milicia excelsa</i>), present knowledge gaps to be filled mainly about their mechanical characterization, which currently limit their use or result in under- or overdimensioned structural elements. Visual classification, one of the most used methods for characterizing wood, is inaccurate in the case of Iroko due to the wide variety of geographical locations in which this species can be found. In addition, mechanical characterization using test pieces with structural dimensions leads to high and impractical costs. In this context, this study aims to verify the mechanical properties of Iroko (imported from the Republic of the Congo) from small size specimens, a process that is currently standardized only for softwoods, and to verify the correlation of different properties through bending properties and ultrasound tests. Prior to the bending tests, the speed of propagation of ultrasonic waves was measured using the direct method. The results obtained show a good correlation between density and bending properties and the velocity of propagation of ultrasonic waves.Multidisciplinary Digital Publishing Institute (MDPI)Universidade do MinhoCunha, CarlosTenório, MarinaLima, Daniel F.Rebouças, ArthurNeves, Luís C.Branco, Jorge M.2021-03-152021-03-15T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/72650engCunha, C.; Tenório, M.; Lima, D.F.; Rebouças, A.; Neves, L.C.; Branco, J.M. Mechanical Characterization of Iroko Wood Using Small Specimens. Buildings 2021, 11, 116. https://doi.org/10.3390/buildings110301162075-530910.3390/buildings11030116https://www.mdpi.com/2075-5309/11/3/116info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-21T12:14:04Zoai:repositorium.sdum.uminho.pt:1822/72650Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T19:06:18.427981Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Mechanical characterization of Iroko wood using small specimens |
title |
Mechanical characterization of Iroko wood using small specimens |
spellingShingle |
Mechanical characterization of Iroko wood using small specimens Cunha, Carlos Tropical woods Mechanical properties Bending tests Ultrasound tests Science & Technology |
title_short |
Mechanical characterization of Iroko wood using small specimens |
title_full |
Mechanical characterization of Iroko wood using small specimens |
title_fullStr |
Mechanical characterization of Iroko wood using small specimens |
title_full_unstemmed |
Mechanical characterization of Iroko wood using small specimens |
title_sort |
Mechanical characterization of Iroko wood using small specimens |
author |
Cunha, Carlos |
author_facet |
Cunha, Carlos Tenório, Marina Lima, Daniel F. Rebouças, Arthur Neves, Luís C. Branco, Jorge M. |
author_role |
author |
author2 |
Tenório, Marina Lima, Daniel F. Rebouças, Arthur Neves, Luís C. Branco, Jorge M. |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Universidade do Minho |
dc.contributor.author.fl_str_mv |
Cunha, Carlos Tenório, Marina Lima, Daniel F. Rebouças, Arthur Neves, Luís C. Branco, Jorge M. |
dc.subject.por.fl_str_mv |
Tropical woods Mechanical properties Bending tests Ultrasound tests Science & Technology |
topic |
Tropical woods Mechanical properties Bending tests Ultrasound tests Science & Technology |
description |
Despite their favorable physical and mechanical properties for structural use, tropical woods, such as Iroko (<i>Milicia excelsa</i>), present knowledge gaps to be filled mainly about their mechanical characterization, which currently limit their use or result in under- or overdimensioned structural elements. Visual classification, one of the most used methods for characterizing wood, is inaccurate in the case of Iroko due to the wide variety of geographical locations in which this species can be found. In addition, mechanical characterization using test pieces with structural dimensions leads to high and impractical costs. In this context, this study aims to verify the mechanical properties of Iroko (imported from the Republic of the Congo) from small size specimens, a process that is currently standardized only for softwoods, and to verify the correlation of different properties through bending properties and ultrasound tests. Prior to the bending tests, the speed of propagation of ultrasonic waves was measured using the direct method. The results obtained show a good correlation between density and bending properties and the velocity of propagation of ultrasonic waves. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-03-15 2021-03-15T00:00:00Z |
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 |
http://hdl.handle.net/1822/72650 |
url |
http://hdl.handle.net/1822/72650 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Cunha, C.; Tenório, M.; Lima, D.F.; Rebouças, A.; Neves, L.C.; Branco, J.M. Mechanical Characterization of Iroko Wood Using Small Specimens. Buildings 2021, 11, 116. https://doi.org/10.3390/buildings11030116 2075-5309 10.3390/buildings11030116 https://www.mdpi.com/2075-5309/11/3/116 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Multidisciplinary Digital Publishing Institute (MDPI) |
publisher.none.fl_str_mv |
Multidisciplinary Digital Publishing Institute (MDPI) |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
|
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1799132477481025536 |