Investigation of Wood Properties at Elevated Temperature

Document Type : Research Paper

Authors
Anatoliy M. Bragov 1
Tatiana N. Iuzhina 1
Andrey K. Lomunov 1
Leonid A. Igumnov 1
Alexandr A. Belov 1
Victor A. Eremeyev 2 , 3
1 National Research Lobachevsky State University of Nizhny Novgorod, Gagarin ave. 23, Nizhny Novgorod, 603950, Russian Federation‎
2 Department of Mechanics of Materials and Structures, Faculty of Civil and Environmental Engineering, Gdansk University of Technology,‎ ‎11/12 Gabriela Narutowicza Street, Gdansk, 80-233, Poland‎
3 Department of Civil and Environmental Engineering and Architecture (DICAAR), University of Cagliari, Via Marengo, 2, 09123 Cagliari, Italy‎
10.22055/jacm.2021.38486.3239
Abstract
The results of dynamic compression tests of aspen under elevated temperature up to +60°C are presented. The tests were carried out based on the Kolsky method using the split Hopkinson pressure bar. To study the anisotropy of properties, aspen samples were fabricated and tested by cutting along and across the fibers direction. Dynamic stress-strain curves were obtained as well as the average values of modulus of active loading sites. The greatest steepness of the loading branches and the highest breaking stresses are observed for the samples loaded along the fiber direction, while the smallest values are noted under loading across the fiber direction. Also the effect of elevated temperature on strength and deformation properties of aspen is estimated.
Keywords
Wood
aspen
strain diagrams
strain rate
Kolsky method
Subjects

Publisher’s Note Shahid Chamran University of Ahvaz remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

[1] Adalian, C., Morlier, P., ‘‘WOOD MODEL’’ for the dynamic behaviour of wood in multiaxial compression, Holz als Roh- und Werkstoff, 60, 2002, 433-439.
[2] Bragov, A., Gonov, M., Konstantinov, A., Lomunov, A., Yuzhina, T., Deformation and Destruction at Deformation Rate of Order 103 s-1 in Wood of Hardwood Trees, Advanced Structured Materials, 130, 2020, 443-451.
[3] Bragov, A.M., Lomunov, A.K., Methodological aspects of studying dynamic material properties using the Kolsky method, International Journal of Impact Engineering, 16(2), 1995, 321-330.
[4] Chen, W.W., Song, B., Split Hopkinson (Kolsky) Bar. Design, Testing and Applications, Springer US, 2010.
[5] Eisenacher, G., Scheidemann, R., Neumann, M., Wille, F., Droste, B., Crushing characteristics of spruce wood used in impact limiters of type B packages, Proceedings of the 17th International Symposium on the Packaging and Transportation of Radioactive Materials PATRAM 2013, August 18−23, San Francisco, USA. P. 1−10, 2013.
[6] Eisenacher, G., Wille, F., Droste, B., Neumann, M., Development of a wood material model for impact limiters of transport packages, WM2014 Conference, March 2-6, Phoenix, Arizona, USA, 1-10, 2014.
[7] Li, P., Guo, Y.B., Shim, V.P.W., A constitutive model for transversely isotropic material with anisotropic hardening, International Journal of Solids and Structures, 138, 2018, 40-49.
[8] Neumann, M., Herter, J., Droste, B.O., Hartwig, S., Compressive behaviour of axially loaded spruce wood under large deformations at different strain rates, European Journal of Wood and Wood Products, 69, 2011, 345-357.
[9] Tagarielli, V.L., Deshpande, V.S., Fleck, N.A., Chen, C., A constitutive model for transversely isotropic foams and its application to the indentation for balsa wood, International Journal of Mechanical Sciences, 47, 2005, 666-686.
[10] Zhao, S., Zhao, J.X., Han, G.Z., Advances in the study of mechanical properties and constitutive law in the field of wood research, Materials Science and Engineering, 137, 2016, 012036.
Journal of Applied and Computational Mechanics
Volume 8, Issue 1
Winter 2022
Pages 298-305