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Janka hardness of hardwood species evaluated by the nondestructive sclerometric method
https://orcid.org/0000-0002-3446-532X
Abstract The physical and mechanical properties are essential to exploring the potential applications of each wood species. Janka hardness allows us to identify the wood’s workability and durability characteristics. Regarding evaluations of wood pieces for construction, estimating this mechanical property by nondestructive testing (NDT), and dismissing the extraction of specimens is of great interest. In this context, this study aimed to evaluate correlations between Janka hardness and the sclerometric index. These properties were obtained by testing four hardwood species, in both the parallel and perpendicular directions to the grain on wood pieces under saturated and air-dried conditions. The correlations between Janka hardness and sclerometric index resulted in increasing linear functions and were affected by the moisture conditions of the pieces, with the highest correlation coefficients obtained for air-dried wood and in the direction parallel to the grain. The sclerometric method was shown to be a potential NDT for estimating the Janka hardness.
Janka hardness of hardwood species evaluated by the nondestructive sclerometric method
https://orcid.org/0000-0002-3446-532X
Abstract The physical and mechanical properties are essential to exploring the potential applications of each wood species. Janka hardness allows us to identify the wood’s workability and durability characteristics. Regarding evaluations of wood pieces for construction, estimating this mechanical property by nondestructive testing (NDT), and dismissing the extraction of specimens is of great interest. In this context, this study aimed to evaluate correlations between Janka hardness and the sclerometric index. These properties were obtained by testing four hardwood species, in both the parallel and perpendicular directions to the grain on wood pieces under saturated and air-dried conditions. The correlations between Janka hardness and sclerometric index resulted in increasing linear functions and were affected by the moisture conditions of the pieces, with the highest correlation coefficients obtained for air-dried wood and in the direction parallel to the grain. The sclerometric method was shown to be a potential NDT for estimating the Janka hardness.
Janka hardness of hardwood species evaluated by the nondestructive sclerometric method
https://orcid.org/0000-0002-3446-532X
Abstract The physical and mechanical properties are essential to exploring the potential applications of each wood species. Janka hardness allows us to identify the wood’s workability and durability characteristics. Regarding evaluations of wood pieces for construction, estimating this mechanical property by nondestructive testing (NDT), and dismissing the extraction of specimens is of great interest. In this context, this study aimed to evaluate correlations between Janka hardness and the sclerometric index. These properties were obtained by testing four hardwood species, in both the parallel and perpendicular directions to the grain on wood pieces under saturated and air-dried conditions. The correlations between Janka hardness and sclerometric index resulted in increasing linear functions and were affected by the moisture conditions of the pieces, with the highest correlation coefficients obtained for air-dried wood and in the direction parallel to the grain. The sclerometric method was shown to be a potential NDT for estimating the Janka hardness.
Janka hardness of hardwood species evaluated by the nondestructive sclerometric method
Martins, Ingrid Zacharias (author) / Deldotti, Leonardo Roso (author) / Soriano, Julio (author) / Faria, Douglas Lamounier (author)
2022
Article (Journal)
Electronic Resource
English
Janka hardness of hardwood species evaluated by the nondestructive sclerometric method
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