Fig. 6From: Thermal softening properties of various wood species within an annual ringTemperature dependence of tanδ in tangential and radial direction of some kind of wood swollen by water at 0.5 Hz. Green filled circles and triangle, LW; orange filled circles and triangle, EW; yellow filled circles and triangle, R specimen. a–e, Softwoods. f–i, Hardwoods. See Fig. 3 for more detailsBack to article page