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01-03-2019 | Original

Mechanical behavior of chemically modified Norway spruce: a generic hierarchical model for wood modifications

Authors: Diego F. Mora Mendez, Samuel Oluyinka Olaniran, Markus Rüggeberg, Ingo Burgert, Hans J. Herrmann, Falk K. Wittel

Published in: Wood Science and Technology | Issue 2/2019

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Abstract

Modifications alter hygro-mechanical properties of wood in non-trivial ways that depend on modification treatment and wood microstructure. Generic micromechanical models with modifications on the cellular scale of spruce are proposed and studied, such as partial and entire lumen filling with isotropic materials, as well as modification of S2-layer properties. Based on a hierarchical micromechanical model, hygro-mechanical response surfaces of the modified, orthotropic material are predicted. Simulation results are compared to experimental data. The findings can be used for optimizing modification treatments, as well as for calculating the behavior in graded situations, common to treatments with limited modification depth.

previous article Mechanical behaviour of chemically modified Norway spruce (Picea abies L. Karst.): Experimental mechanical studies on spruce wood after methacrylation and in situ polymerization of styrene

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Title: Mechanical behavior of chemically modified Norway spruce: a generic hierarchical model for wood modifications
Authors: Diego F. Mora Mendez
Samuel Oluyinka Olaniran
Markus Rüggeberg
Ingo Burgert
Hans J. Herrmann
Falk K. Wittel
Publication date: 01-03-2019
Publisher: Springer Berlin Heidelberg
Published in: Wood Science and Technology / Issue 2/2019
Print ISSN: 0043-7719
Electronic ISSN: 1432-5225
DOI: https://doi.org/10.1007/s00226-019-01082-3

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