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|Title:||Wood density estimation using the sclerometric method|
Veiga, Nádia Schiavon da
Martins, Ingrid Zacharias
|Abstract:||The density of wood is an important property that is required when developing timber designs. Wood density is conventionally determined in laboratory using the relationship between the mass and volume of standard specimens. Techniques that produce small perforations in the tested samples have been developed to determine this physical property. In the field of non-destructive testing using the ultrasonic techniques, the density is also required to generate the stiffness matrix, in addition to wave propagation velocity. This study proposes using the non-destructive sclerometric method to estimate the density of wood. Three tropical wood species with different densities were selected to establish constitutive relationships between density and the sclerometric indexes: cedar (Cedrela spp), garapa (Apuleia leiocarpa) and cumaru (Dipteryx odorata). For the sclerometric analysis, 0.08 m × 0.20 m × 0.30 m prismatic specimens were used. Using statistical analysis, the sclerometric indexes for all three anatomical directions of the wood were determined. The correlations indicate that sclerometry has great potential as a non-destructive method to estimate wood density.|
|Appears in Collections:||FEAGRI - Artigos e Outros Documentos|
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