Fig. 2From: Mechanics and pyrolysis analyses of rotation welding with pretreated wood dowelsSurface morphology of the welding interface: a blank regions in the end 3–5 mm region, b homogenous distribution of the molten polymer, c incompletely covered interweaved fibers, d insufficiency regions, e agglomerate regions, f the interface materials well distributed, g a skeleton structure in the welding interfaceBack to article page