Studies on Dielectric Behavior of Bound Water in Timber in the High Frequency Region

Abstract 1. Dielectric constants and loss factors of timber tilia containing various amounts of water have been measured in the region of frequencies of 0.2–3000 M. C. 2. The dielectric properties of these materials at the high frequency region are found to depend upon the rotation of dipoles of water, free and bound, in timber. The empirical relation proposed by Cole and Cole are utilized for the explanation. 3. Their dielectric properties at lower frequencies may be attributed to the other causes such as the movement of ions in the material.