Tag: dynamic

Combined analysis of microstructures within an annual ring of Douglas fir (Pseudotsuga menziesii) by dynamic mechanical analysis and small angle X-ray scattering – Journal of Wood Science

In softwood, the peaks of tanδ are found 80 ℃ to 90 ℃, whereas in hardwood, that is found 60 ℃ to 70 ℃ at 0.05 Hz [15]. Softwood lignin has guaiacyl-propane units, while hardwood…