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Nondestructive Evaluation of Corymbia citriodora Logs by Means of the Free Transverse Vibration Test

Journal of Nondestructive Evaluation volume 36, Article number: 26 (2017) Cite this article

Abstract

The bending modulus of elasticity has been used as a wood quality predictor due to the good correlation between bending stiffness and strength. In recent years, there has been an increasing use of nondestructive testing techniques based on dynamic tests to assess wood quality. The objective of this study is to evaluate the results obtained with the application of transverse vibration test to measure the bending modulus of elasticity of Corymbia citriodora logs. The approach used estimated the log cylinders with the diameter equal to the diameter measured at half-length. A sample of 38 C. citriodora logs was tested in free transverse vibration and static bending tests, their diameter measured at half-length ranged from 13.6 to 20 cm and the length ranged between 4 and 4.4 m. A strong correlation (\(\hbox {R}^{2} = 0.92\)) was found between static and dynamic bending modulus of elasticity. The transverse vibration test was faster than the static bending test. The results indicate that the free transverse vibration test provides accurate measurements of bending modulus of elasticity of C. citriodora logs.

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Acknowledgements

We are grateful to CNPq (National Council for Scientific and Technological Development - Brazil) and CAPES (Coordination for the Improvement of Higher Education Personnel - Brazil) for the scholarship and financial support given to this research.

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Authors and Affiliations

  1. Federal Technological University of Paraná, Via Marginal Rosalina Maria dos Santos, Área Urbanizada I, Campo Mourão, PR, CEP 87301-899, Brazil

    Marcelo Rodrigo Carreira

  2. University of São Paulo, Av. Trabalhador Sãocarlense, 400, São Carlos, SP, CEP 13566-590, Brazil

    Antonio Alves Dias

  3. Federal University of Espírito Santo, Av. Governador Lindemberg, 316, Jerônimo Monteiro, ES, CEP 29550-000, Brazil

    Pedro Gutemberg de Alcântara Segundinho

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  1. Marcelo Rodrigo Carreira
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  2. Antonio Alves Dias
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  3. Pedro Gutemberg de Alcântara Segundinho
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Correspondence to Marcelo Rodrigo Carreira.

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Carreira, M.R., Dias, A.A. & de Alcântara Segundinho, P.G. Nondestructive Evaluation of Corymbia citriodora Logs by Means of the Free Transverse Vibration Test. J Nondestruct Eval 36, 26 (2017). https://doi.org/10.1007/s10921-017-0401-0

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