Volume 6 Issue 1
Feb.  2021
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Roseli Felix da Silva Ribeiro, José Flávio Silveira Feiteira, Jayme Pereira de Gouvêa, Alexandre Furtado Ferreira. Experimental Investigation on Variability in Properties of Amazonian Wood Species Muiracatiara (Astronium lecointei) and Maçaranduba (Manilkara huberi) Focusing Guitar Fingerboards Manufacturing[J]. Journal of Bioresources and Bioproducts, 2021, 6(1): 33-38. doi: 10.1016/j.jobab.2021.02.006
Citation: Roseli Felix da Silva Ribeiro, José Flávio Silveira Feiteira, Jayme Pereira de Gouvêa, Alexandre Furtado Ferreira. Experimental Investigation on Variability in Properties of Amazonian Wood Species Muiracatiara (Astronium lecointei) and Maçaranduba (Manilkara huberi) Focusing Guitar Fingerboards Manufacturing[J]. Journal of Bioresources and Bioproducts, 2021, 6(1): 33-38. doi: 10.1016/j.jobab.2021.02.006

Experimental Investigation on Variability in Properties of Amazonian Wood Species Muiracatiara (Astronium lecointei) and Maçaranduba (Manilkara huberi) Focusing Guitar Fingerboards Manufacturing

doi: 10.1016/j.jobab.2021.02.006
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  • Corresponding author: Roseli Felix da Silva Ribeiro, roseliribeiro@id.uff.br
  • Received Date: 2020-08-25
  • Accepted Date: 2020-10-14
  • Publish Date: 2021-01-01
  • In face of scarcity in the supply of non-traditional Brazilian woods properly treated for use in high quality musical instruments, pieces of Amazonian wood species muiracatiara (Astronium lecointei) and maçaranduba (Manilkara huberi) purchased in the common internal Brazilian timber market were examined. These species were pre-selected for use in fingerboards of acoustic and electric guitars due to similar properties with ebony (Diospyros crassiflora). Variabilities of elastic modulus parallel to grain and density were investigated inside wooden pieces. In addition, referred parameters were used in calculation of speed of sound. Statistical tests were performed in order to compare both species and revealed inequality for variances of dynamic elastic modulus (Ed) and speed of sound, but equality for density. Equality of means was also examined via unequal variance t-test. Despite color differences, lower variability of M. huberi led to the indication of this species as likely capable to substitute satisfactorily ebony in fingerboards manufacturing.


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