2017
DOI: 10.12953/2177-6830/rcm.v8n1p42-53
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Estimativa da densidade básica da madeira de Eschweilera odora (Poepp.) Miers por espectroscopia no infravermelho próximo

Abstract: RESUMO A densidade básica é uma das propriedades mais estudadas na tecnologia da madeira, visto sua importância na correlação com as propriedades físicas e mecânicas. A metodologia tradicional (destrutiva) demanda altos custos e extenso período para execução dos ensaios. Neste sentido, a pesquisa desenvolvida buscou determinar a densidade da madeira de Eschweilera odora por metodologia não destrutiva, avaliando a eficiência da espectroscopia no infravermelho próximo-NIR. Madeiras provenientes de floresta secun… Show more

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Cited by 16 publications
(12 citation statements)
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References 13 publications
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“…Araújo et al (2019), studying managed wood species in the Amazon and applying the traditional methodology, identified the predominance of wood with high density (murici, Byrsonima crispa, 0.71 g cm -3 ; piãozinho, Micrandropsis sclerorylon, 1.18 g cm -3 ). Within this range, Fróes et al (2019) found mean values of 0.77 g cm -3 for E. truncata wood by applying the same (destructive) methodology, while Nascimento et al (2017) determined the density of E. odora by NIR, obtaining mean values of 0.80 g cm -3 . In the current study the matá-matá woods were classified as high density (BD > 0.70 g cm -3 ).…”
Section: Physical and Mechanical Characterizationmentioning
confidence: 87%
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“…Araújo et al (2019), studying managed wood species in the Amazon and applying the traditional methodology, identified the predominance of wood with high density (murici, Byrsonima crispa, 0.71 g cm -3 ; piãozinho, Micrandropsis sclerorylon, 1.18 g cm -3 ). Within this range, Fróes et al (2019) found mean values of 0.77 g cm -3 for E. truncata wood by applying the same (destructive) methodology, while Nascimento et al (2017) determined the density of E. odora by NIR, obtaining mean values of 0.80 g cm -3 . In the current study the matá-matá woods were classified as high density (BD > 0.70 g cm -3 ).…”
Section: Physical and Mechanical Characterizationmentioning
confidence: 87%
“…The system uses the "Result Integration" software that operates in the 4,000 to 10,000 cm -1 range, with 16 scans and 8 cm -1 resolution. Three readings were taken from each side of the sample to obtain a mean spectrum that represents the sample (Nascimento et al 2017).…”
Section: Analysis Proceduresmentioning
confidence: 99%
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“…Dentre as características mais importantes para a seleção de madeiras para o desenvolvimento de um produto está a densidade básica da madeira, em decorrência da sua correlação com diversas outras propriedades físicas e mecânicas (Nascimento et al, 2017). A espécie Schinus molle apresenta densidade básica de 0,478 g/cm³, a Spathodea campanulata de 0,309 g/cm³ e Handroanthus heptaphyllus de 0,706 g/cm³ (Bispo, 2017).…”
Section: Escolha De Espéciesunclassified
“…NIR spectroscopy has been widely used to estimate the basic density of wood. Several studies have reported predictive models based on the NIR spectral signature able to satisfactorily estimate the basic density of Eucalyptus woods and other species (Hein et al, 2009a;Fujimoto et al, 2012;Lia et al, 2012;Labbé et al, 2013;Lazzarotto et al, 2016;Nascimento et al, 2017).…”
Section: Introductionmentioning
confidence: 99%