Measurement of moisture gradients during kiln drying

Moisture gradients in red oak were measured through four different techniques: bandsaw slicing, Forstner bit layering, flaking, and razor-blade slicing. The first two techniques were found in the literature. The last two were developed in this study. The results obtained with these four techniques on five different drying days were compared, and it was found that the two newly developed techniques could get moisture gradients that were less affected by cutting and environmental conditions. Using the two new techniques, an optimum slice or flake thickness was determined for wood products industries and research studies.

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