Abstract
Coatings can be used as a preservative method to protect the wood, especially the wood surface. The different component of the coating’s dependence of the purpose of it. The Japanese beech (Fagus crenata Blume) applied by several Japanese commercials coating materials. The coatings application used were spray type and brush type. X-ray microtomography in Fuji, Japan was used for visualized the coating samples. The X-ray target used were Cu, and Mo with Al filter. The X-ray image analysis in 2D and 3D were conducted using image J and VGStudio Max, respectfully. The coating’s containing materials and the concentration of it strongly affected the image result of X-ray microtomography visualization. The different X-ray target shows the different image results. The larger energy of X-ray (Mo with Al filter) is recommended to use for visualization. The X-ray images shows the penetration phenomena, which can be applied to calculate the penetration depth.
Highlights
The face of the plywood exposed to environment can become damaged, such as, loss of gloss and color, the development of cracks, and changes in chemical composition, erosion, and roughening of wood surfaces [1]
The aim of this study was to determine the effects of chemicals including Al, Co, Fe, Si and Ti on the image visualization results using X-ray microtomography for coatings applied to the surface of Japanese beech (Fagus crenata Blume)
Four rotary veneers of Japanese beech (Fagus crenata Blume) with dimensions 300 mm × 300 mm × 1.0–1.3 mm were pre-treated in the constant humidity and temperature room for 30 days at 20 ◦C and 65% RH
Summary
The face of the plywood exposed to environment can become damaged, such as, loss of gloss and color, the development of cracks, and changes in chemical composition, erosion, and roughening of wood surfaces [1]. Those damages reduce the quality of the wood products. Preventive measures to avoid wood damage due to environmental exposure, especially wood products and plywood color degradation damage include using coating material [2] These provide protection for wood as a preventive method, but coating can provide a decorative effect for wood, such as color and glossiness [2,3]. Coating can be applied to wood by spraying, brushing, and dipping the coating materials onto the wood surface
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