Wood Science and Technology

, Volume 46, Issue 4, pp 621–635 | Cite as

Resonance of scantlings indicates the stiffness even of small specimens of Eucalyptus from plantations

  • Paulo Ricardo Gherardi HeinEmail author
  • José Tarcísio Lima
  • Joseph Gril
  • Antônio Marcos Rosado
  • Loïc Brancheriau


The aim of this study was to establish the relationship between the stiffness of scantlings, approaching structural size materials, and small specimens of 6-year-old Eucalyptus urophylla × grandis wood using a resonance technique. The correlation between the elastic modulus (E) of the scantlings in longitudinal vibration and small specimens in flexural vibration was r = 75 when comparing the scantling values with the averaged values of the specimens per scantling. However, when the E of each single specimen was compared with its respective scantling, the coefficient of correlation decreased to r = 0.64 in the longitudinal tests and r = 0.61 in the flexural tests. A roughly linear correlation (r = 0.59) between specific modulus and loss tangent was obtained for the small specimens of Eucalyptus. In short, the resonance technique rapidly provided a large, accurate data set of mechanical wood properties as required for high-throughput phenotyping in recent genetic studies.


Eucalyptus Loss Tangent Wood Sample Dynamic Test Small Specimen 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors express their special thanks to the CENIBRA for providing vegetal material and to the Department of Wood Science and Technology (Prof. P. F. Trugilho and Prof. J. R. M. da Silva) of the Universidade Federal de Lavras (UFLA, Brazil) for supporting the experimental work. We thank particularly José Francisco de Sousa, Carlos Henrique da Silva, Heber Alvarenga, and Hernani Alves for their technical support. This project was funded by CENIBRA (Celulose Nipo-Brasileira), CNPq (Conselho Nacional de Desenvolvimento Científico e Tecnológico, Brazil), and CIRAD (AGAP and UR40). P.R.G. Hein was supported by CNPq (process no. 200970/2008-9).

Conflict of interest

We have no financial relationship with CENIBRA and CNPq, which sponsored this study. We declare that we have no conflict of interest.


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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • Paulo Ricardo Gherardi Hein
    • 1
    Email author
  • José Tarcísio Lima
    • 2
  • Joseph Gril
    • 3
  • Antônio Marcos Rosado
    • 4
  • Loïc Brancheriau
    • 1
  1. 1.CIRAD—PERSYST DepartmentProduction and Processing of Tropical WoodsMontpellier, Cedex 5France
  2. 2.Ciência e Tecnologia da Madeira—Departamento de Ciências FlorestaisUniversidade Federal de Lavras—campus universitárioLavrasBrazil
  3. 3.Laboratoire de Mecanique et Genie CivilCNRS-Université Montpellier 2Montpellier Cedex 5France
  4. 4.Celulose Nipo-Brasileira S.ABelo OrienteBrazil

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