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Official Journal of the Japan Wood Research Society

Table 3 Anisotropy for secondary wall

From: The fracture mechanism of softwood via hierarchical modelling analysis

Layer

ET (GPa)

ER (GPa)

EL (GPa)

γ RT

γ LT

γRT

GRL (GPa)

GTL (GPa)

GTR (GPa)

S3

8.43

7.98

50.36

0.39

0.33

0.32

2.65

3.00

2.68

S2

9.85

9.16

63.96

0.24

0.23

0.33

3.02

3.38

2.96

S1

8.54

8.02

53.10

0.38

0.33

0.32

2.66

3.02

2.66

  1. Ei is the elasticity modulus in the i direction of cell wall layers; γij is the Poisson’s ratio of cell wall layers; Gij is the shearing modulus in the ij in-plane of cell wall layers