DOI: 10.4028/www.scientific.net/kem.407-408.494
View full text
Hou Jiang Zhang, Zhi Ren Guo, Juan Su

Abstract: A study measured the drill resistances of larch and Scotch pine by a drill resistance technique and compared the densities of the same specimens measured with a traditional volumetric method. The drill resistance technique was found to be a good measure of the density profile of wood to reflect tree rings and defects (knots, decay and hollows). The drill resistance technique as applied to pines uses a linear relationship between the wood density and the average drill resistance. This technique has the applicab…

expand abstract