Conservation of waterlogged wood—past, present and future perspectives

M Broda, CAS Hill - Forests, 2021 - mdpi.com
This paper reviews the degradation, preservation and conservation of waterlogged
archaeological wood. Degradation due to bacteria in anoxic and soft-rot fungi and bacteria …

An applicable orthotropic creep model for wood materials and composites

R Bengtsson, R Afshar, EK Gamstedt - Wood Science and Technology, 2022 - Springer
Despite the engineering importance of creep of composite materials and other fibrous
anisotropic load-carrying materials like wood, there is an apparent lack in useful …

Hygro-mechanical long-term behaviour of spruce, pine and lime wood: parameter identification and model validation

J Stöcklein, G Grajcarek, D Konopka… - Wood Science and …, 2024 - Springer
Lime wood, spruce and pine are investigated with regard to its hygro-mechanical long-term
behaviour. Experiments are conducted for an identification of model parameters and for …

[HTML][HTML] Viscoelastic behavior of softwood based on a multiscale computational homogenization

R Bengtsson, M Mousavi, R Afshar, EK Gamstedt - Mechanics of Materials, 2023 - Elsevier
In the present study, a numerical multiscale model is made to show how the hierarchical
structure of softwood affect its macroscopic viscoelastic properties. The performance of the …

Evaluating the viscoelastic shear properties of clear wood via off-axis compression testing and digital-image correlation

R Bengtsson, L Bergeron, R Afshar, M Mousavi… - Mechanics of Time …, 2024 - Springer
Highly anisotropic materials like wood and unidirectional polymer composite structures are
sensitive to shear deformations, in particular close to fixed joints. Large wooden structures in …

Characterisation of mechanical properties of wood: size effect

R Afshar - … Computations, and Experiments of Multiscale Materials …, 2022 - Springer
In the areas such as cultural heritage, there are various non-standard sample sizes and
shapes to characterise the mechanical properties of materials. In addition, there is a need for …

Conservation of waterlogged archaeological wood: what we can learn from the Vasa experience?

N Feng, Y Tzeng, L Zhou - Asian Archaeology, 2024 - Springer
The Vasa, an impeccably preserved seventeenth-century ship, stands as a pinnacle of
maritime heritage, drawing the highest visitor footfall to its museum in Sweden. Following …

Experimental verification of internal friction model, based on the Boltzmann superposition principle, applied to the temperature influence on different wood types and …

A Russu, V Shamaev, O Garkusha - AIP Conference Proceedings, 2024 - pubs.aip.org
The conditions for applying the Boltzmann superposition principle to construct a model of
internal wood friction have been considered. There is a large number of models for …

Creep aspects of softwood from the cell-wall level to structures

R Bengtsson - 2023 - diva-portal.org
This thesis addresses the intricate mechanical behaviour of natural materials, with a
particular focus on wood. Despite millennia of use, understanding the mechanical behaviour …

The Viscoelasticity and Deformation Mechanism of Taxodium Hybrid 'Zhongshanshan'Wood by Dynamic Mechanical Analysis.

Y Zhu, Y Zhang, B Pan - BioResources, 2021 - search.ebscohost.com
The viscoelasticity of Taxodium hybrid 'Zhongshanshan'wood, while undergoing
hydrothermal processing, was investigated via dynamic thermomechanical analysis. The …