FUNDAMENTAL STUDY ON SURFACE EROSION AND CHECKS OF WOOD FOR EXTERIORS CAUSED BY OUTDOOR EXPOSURE

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  • 外装用木材の屋外暴露による目やせと割れに関する基礎的研究

Abstract

<p>Wood used for exteriors, if left uncoated, experiences discoloration in the initial stage, and goes on to develop small checks on its surface. As exterior exposure progresses, the surface of the wood partially deteriorates due to weathering of the earlywood and latewood at the exposed surface and increased checking caused by differential shrinkage, resulting in an uneven wood surface. In this study, the process of surface erosion and chipping of wood and the inhibitory effect of various coatings were experimentally verified by outdoor exposure.</p>

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