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Wood colour of central European wood species: CIELAB characterisation and colour intensification

European Journal of Wood and Wood Products, 2016
In this project, 24 central European wood species have been characterized spectrophotometrically using the CIELAB-colour-system. Special focus has been put on the analysis of colour intensification of wood surfaces due to surface wetting. The analysis shows how the various wood species react to wetting and how the colour is changed.
Tillmann Meints
exaly   +3 more sources

Photodegradation of wood at elevated temperature: Colour change

Journal of Photochemistry and Photobiology B: Biology, 2012
The purpose of this investigation was to evaluate the effect of elevated temperature on the photodegradation of solid wood. The work presented here, dealt with the changes of colour during the degradation process. Wood samples were irradiated by mercury vapour lamp at 80°C and at 30°C to screen out the effect of thermal decomposition during ...
László Tolvaj
exaly   +3 more sources

Evaluation of colour differences on wood surfaces

European Journal of Wood and Wood Products, 2011
Colorimetric measurements are often carried out for evaluation of colour changes on wooden surfaces. However, a grading of the value $\Delta E^{*}_{\mathrm{ab}}$ , (colour difference) is missing for wooden surfaces. Colour measurements were carried out on surfaces
Beate Buchelt   +2 more
exaly   +2 more sources

On the modelling of colour changes of wood surfaces

European Journal of Wood and Wood Products, 2009
Colour has an influence on the aesthetic properties of wood surfaces, and changes in colour have an impact on each individual’s perception of wood construction materials. This study examines an approach to model the discolouration of wood during natural weathering.
Thomas Schnabel
exaly   +2 more sources

Diversity of wood colour in tropical timber species and its relationship with wood density and anatomical features

IAWA Journal, 2023
The wood colour variability of 98 tropical species from India (Goa), Mozambique and East Timor was described using CIELab colour parameters and related to wood density and anatomical features.
F. Bessa   +3 more
semanticscholar   +1 more source

Hydrothermal treatment-induced changes in wood iron concentrations and colour: a technological study

Wood Material Science and Engineering, 2023
This study aimed to reveal the changes in Fe concentration and colour in the wood obtained from selected tree species: Pinus sylvestris L., Picea abies (L.) H. Karst., Pseudotsuga menziesii (Mirb.) Franco, Juglans regia L., and Acer platanoides L.
Mindaugas Skema   +2 more
exaly   +2 more sources

Colour evolution kinetics study of spirits in their ageing process in wood casks

Food Control, 2021
The colour of alcoholic beverages increases as they are aged in wood casks, due to the oxidation of the extracted phenols and tannic substances. In this paper, sixteen ageing experiments were carried out involving four different types of wood (American ...
Manuel J Delgado-González   +2 more
exaly   +2 more sources

Colour of polyurethane foams filled with wood and wood derivatives exposed to two xylophagous fungi

Journal of cellular plastics (Print), 2022
This study addresses changes in aesthetical features of bio-based polyurethane (PU) foams filled with four forest-based particles (namely wood flour, wood bark, kraft lignin, and paper sludge), which were decayed by two wood-rot fungi.
A. B. Aramburu   +4 more
semanticscholar   +1 more source

The effect of beech wood (Fagus sylvatica L.) steaming process on the colour change versus depth of tested wood layer

Wood Material Science & Engineering, 2021
The results of experimental research on the colour changes of beech wood at different depths of the tested layer are presented. Beech wood (Fagus sylvatica L.) dried in a conventional kiln was tested.
A. Konopka   +4 more
semanticscholar   +1 more source

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