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A comparison of three wood species (poplar, birch and oak) for crash application

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Abstract

This paper presents the results of static and dynamic crushing of wood tubes made of poplar, birch and oak veneer. Despite different veneer thicknesses (poplar: 1 mm, birch: 0.5 mm and oak: 0.75 mm), the tubes have the same overall dimensions to enable comparisons. The static tests were carried out on an MTS 100 kN machine between two loading plates and the dynamic tests were carried out on a drop weight testing machine. The dynamic specific energy absorption is, on average, 32 J/g, 35.5 J/g and 38.5 J/g for poplar, oak and birch, respectively. The energies absorbed in dynamic tests for poplar, oak and birch are on average 1581 J, 2544 J and 3245 J, respectively. These characteristics, which are quite comparable with those of tubes made of composite materials, show that these materials are serious candidates for energy absorption at low carbon cost and with renewable materials.

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Acknowledgements

The authors thank the French Government for providing financial support (MESRI) and the Garnica company for providing I214 veneers for this study.

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Correspondence to B. Castanié.

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Guélou, R., Eyma, F., Cantarel, A. et al. A comparison of three wood species (poplar, birch and oak) for crash application. Eur. J. Wood Prod. 81, 125–141 (2023). https://doi.org/10.1007/s00107-022-01871-x

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  • DOI: https://doi.org/10.1007/s00107-022-01871-x

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