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European Journal of Wood and Wood Products
Published in: European Journal of Wood and Wood Products 3/2015

01-05-2015 | Brief Original

Measuring Young’s modulus of a wooden bar using longitudinal vibration without measuring its weight

Authors: Yoshitaka Kubojima, Satomi Sonoda

Published in: European Journal of Wood and Wood Products | Issue 3/2015

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Abstract

This study aimed at developing a simple measuring method to determine Young’s modulus of a wooden bar by measuring its longitudinal vibration without measuring its weight. Before and after attaching an iron piece to a wooden bar, a free–free longitudinal vibration test was performed to obtain Young’s modulus. Young’s modulus was calculated by substituting the ratio of the resonance frequencies of a wooden rectangular bar with and without attached iron piece into the frequency equation. The calculated results resembled the experimental values without the iron piece.
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Literature
Arima T, Hayamura S, Maruyama N, Miyazawa S, Furusawa S (1990) Evaluation for modulus of elasticity and weight change of lumber by sound analysis. J Soc Mater Sci Jpn 39(444):1228–1234CrossRef
Kubojima Y, Suzuki Y, Tonosaki M (2014) Effect of additional mass on the apparent Young’s modulus of a wooden bar by longitudinal vibration. BioResources 9(3):5088–5098CrossRef
Yamasaki M, Sasaki Y (2010a) Determining Young’s modulus of timber on the basis of a strength database and stress wave propagation velocity I: an estimation method for Young’s modulus employing Monte Carlo simulation. J Wood Sci 56(4):269–275CrossRef
Yamasaki M, Sasaki Y (2010b) Determining Young’s modulus of timber on the basis of a strength database and stress wave propagation velocity II: effect of the reference distribution database on the determination. J Wood Sci 56(5):380–386CrossRef
Metadata
Title
Measuring Young’s modulus of a wooden bar using longitudinal vibration without measuring its weight
Authors
Yoshitaka Kubojima
Satomi Sonoda
Publication date
01-05-2015
Publisher
Springer Berlin Heidelberg
Published in
European Journal of Wood and Wood Products / Issue 3/2015
Print ISSN: 0018-3768
Electronic ISSN: 1436-736X
DOI
https://doi.org/10.1007/s00107-015-0884-2

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