Heritage Science

Table 4 Mechanical and physical properties of poplar wood used [40, 44]

From: Hygromechanical behaviour of wooden panel paintings: classification of their deformation tendencies based on numerical modelling and experimental results

Young moduli	E_L = 10,060 MPa	E_R = 641 MPa	E_T = 306 MPa
Shear moduli	G_RT = 200 MPa	G_TL = 641 MPa	Glr = 860 MPa
Shrinkage	α_L = 0.39%	α_R = 1.92%	α_T = 3.45%
Diffusion	D₀₌1.52 10^–4 mm²s⁻¹

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