Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 2 Surface stiffness and modulus measured using the AFM force curve mode in the samples coated with urushi

From: Resistance of wood coated with oriental lacquer (urushi) against damage caused by subterranean termite

	Force (nN)	Modulus (nN/nm)^a
KU	13.3 ± 2.5	1.22 ± 0.13
SU	14.3 ± 2.9	1.31 ± 0.07
KSU	12.5 ± 1.6	1.25 ± 0.10
BU	13.3 ± 2.1	1.26 ± 0.18

^aCalculated by ΔF/ΔD; F means the reaction force that a cantilever receives by tapping on the sample surface, D means displacement of a cantilever by bending

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