3× Stiffness
Due to geometric effects of high microfibril angle, compression wood relies more on cellulose fibril reorientation than lattice strain during tensile deformation, showing distinct behavior.
Fei, Guo · Jiahao, Wang · Wenxuan, Liu · Jie, Hu · Ye, Chen · Zhang, Xuexia · Rilong, Yang · Yu, Yan
Carbohydrate Polymers 2024
Beyond yield point, cellulose lattice strain depends linearly on macroscopic stress
In compression wood, contribution ratio of cellulose fibril reorientation to macroscopic strain is 0.53
In compression wood, contribution ratio of lattice strain to macroscopic strain is 0.25