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Article
Photo-stabilization effect of extractives on the photo-degradation of Red pine (Pinus koraiensis Sieb. et Zucc.)
The impact of extractives on the appearance and wettability changes of wood surface during artificial weathering was discussed from the aspect of chemical and structural changes. Un-extracted (CK) and extracte...
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Article
A close-up view of the intra-ring variation of transverse shrinking and swelling in Chinese fir using digital image correlation without artificial speckle pattern
Herein, an intra-ring variation of shrinking and swelling in Chinese fir was analyzed through high-resolution microscopy and digital image correlation (DIC). Instead of using artificial speckle patterns, trach...
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Article
Open AccessBending responses of self-sha** wood bilayers: comparison between adsorption and desorption processes
Inspired by biological materials, the self-sha** wood composites induced by relative humidity (RH) have been investigated over the last decade. In this study, a wood bilayer was fabricated by assembling two ...
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Article
High-voltage electric field-induced decreased absorption efficiency of phenol formaldehyde adhesive in different sections of Chinese fir wood
High-voltage electric field (HVEF) treatment is one of the most effective methods to improve the bonding strength of wood-based composites. In order to further investigate the adhesion mechanism during HVEF tr...
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Article
Meta-analysis of chromatic properties of heat-treated wood
An attractive darker colour is an important advantage of heat-treated wood. The variation in colour of the heat-treated wood is influenced by the heterogeneous structure of wood and the different technologies ...
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Article
Orthotropic wetting dynamics of wood: trade-off between surface spreading and penetration
Wetting is an important and effective factor to evaluate the gluing and painting performance of wood and its products. In this study, the dynamic wetting behaviors of four coniferous wood species (Chinese fir,...
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Article
Open AccessIn situ observation of shrinking and swelling of normal and compression Chinese fir wood at the tissue, cell and cell wall level
The shrinking and swelling of wood due to moisture changes are intrinsic material properties that control and limit the use of wood in many applications. Herein, hygroscopic deformations of normal and compress...
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Article
Meta‐analysis of anti‐swelling efficiency (ASE) of heat‐treated wood
The anti-swelling efficiency (ASE) of heat-treated wood was investigated by meta-analysis. The effects of material- and technology-related factors were quantified. The results showed that ASE after heat treatm...
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Article
Open AccessComparative studies on wood structure and microtensile properties between compression and opposite wood fibers of Chinese fir plantation
The microtensile properties of mechanically isolated compression wood (CW) and opposite wood (OW) tracheids of Chinese fir (Cunninghamia lanceolata) were investigated and discussed with respect to their structure...
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Article
Influence of high voltage electrostatic field (HVEF) on bonding characteristics of Masson (Pinus massoniana Lamb.) veneer composites
For the first time, it was experimented with high voltage electrostatic field (HVEF) for the optimization of the bonding process of urea formaldehyde (UF) resin to wood. Varying HVEF treatment times (0–8 min) ...
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Article
Sandwich compression of wood: control of creating density gradient on lumber thickness and properties of compressed wood
In order to utilize the plantation poplar wood, white poplar boards were soaked, heated and compressed to improve the mechanical properties in this study. The densities and densified zones were managed inside ...
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Article
Dynamic viscoelastic properties of Chinese fir under cyclical relative humidity variation
The dynamic viscoelastic properties of Chinese fir (Cunninghamia lanceolata) with a moisture content of 10.65 % (30 °C, 58 % RH) under cyclical relative humidity (RH) variation (90–10 % RH) were examined. After s...
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Article
Representative volume element (RVE) and the prediction of mechanical properties of diffuse porous hardwood
Simplification of the structure of diffuse porous wood by a representative volume element (RVE) was studied in this paper. Elastic constants were derived by application of the mechanics of composites. Using t...
