You are in the accessibility menu

Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/69701
Full metadata record
DC FieldValueLanguage
dc.contributor.authorDa Silva, Sérgio Augusto Mello-
dc.contributor.authorGonçalves, Raquel-
dc.date.accessioned2014-05-27T11:22:29Z-
dc.date.accessioned2016-10-25T18:23:56Z-
dc.date.available2014-05-27T11:22:29Z-
dc.date.available2016-10-25T18:23:56Z-
dc.date.issued2007-06-01-
dc.identifierhttp://www.ipef.br/publicacoes/scientia/nr74/cap02.pdf-
dc.identifier.citationScientia Forestalis/Forest Sciences, n. 74, p. 19-26, 2007.-
dc.identifier.issn1413-9324-
dc.identifier.urihttp://hdl.handle.net/11449/69701-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/69701-
dc.description.abstractThe goal of this research was to determine the density distribution in medium density fiberboard (MDF), manufactured with polyurethane derived from castor oil using, ultrasonic wave technique. The equipment used in this test is Steinkamp BP7 with plan and exponential transducers, both with 45 kHz frequencies, located in several zones on the plate in order to determine wave ultrasonic velocity. The Pinus caribaea and Eucalyptus grandis fiberboard were manufactured in the quality control and products development laboratory of Duratex with 500 mm long, 500 mm large, 8 and 15 mm of thickness. Three MDF for each fiber specimen and thickness were fabricated, totalizing twelve plates tested. The MDF were produced with 5% polyurethane addition, in temperature of 160°C, tension press of 53 bars and addition of moisture content of 12%. For determination of fiberboard density, samples were extracted from the same zones where the wave ultrasonic velocity was determined. In this case, DAX-Ray equipment was used. Statistical analysis shows good agreement with wave ultrasonic velocity and the density profile, validating the application of non-destructive technique in order to determine the density profile of MDF's.en
dc.format.extent19-26-
dc.language.isopor-
dc.sourceScopus-
dc.subjectMedium density fiberboard-
dc.subjectNon-destructive test-
dc.subjectUltrasonic wave-
dc.subjectDAX-Ray-
dc.subjectMedium density fiberboard (MDF)-
dc.subjectSteinkamp BP7-
dc.subjectNondestructive examination-
dc.subjectPaperboards-
dc.subjectPolyurethanes-
dc.subjectStatistical methods-
dc.subjectTransducers-
dc.subjectVegetable oils-
dc.subjectDensity (specific gravity)-
dc.subjectCastor Oil-
dc.subjectDensity Measurement-
dc.subjectFiber Boards-
dc.titleAvaliação da distribuição da densidade em MDF a partir da técnica da onda de ultra-sompt
dc.title.alternativeEvaluation of the density distribution in MDF's using ultrasonic wave techniqueen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)-
dc.description.affiliationDepartamento de Engenharia Civil Faculdade de Engenharia Universidade Estadual Paulista, Av. Brasil-Centro, 56, Ilha Solteira, SP - 15378-000-
dc.description.affiliationConselho Integrado de Infra-Estrutura Rural Faculdade de Engenharia Agrícola Universidade Estadual de Campinas, Caixa Postal 6011, Campinas, SP - 13083-970-
dc.description.affiliationUnespDepartamento de Engenharia Civil Faculdade de Engenharia Universidade Estadual Paulista, Av. Brasil-Centro, 56, Ilha Solteira, SP - 15378-000-
dc.identifier.wosWOS:000208714500002-
dc.rights.accessRightsAcesso aberto-
dc.identifier.file2-s2.0-34547397339.pdf-
dc.relation.ispartofScientia Forestalis/Forest Sciences-
dc.identifier.scopus2-s2.0-34547397339-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

There are no files associated with this item.
 

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.