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Bioresources and Bioprocessing

Table 4 Elastic properties for the orthotropic materials used for the FEA

From: Mechanical properties and curing kinetics of bio-based benzoxazine–epoxy copolymer for dental fiber post

Elastic constant

GF-reinforced V-fa/ECO

biocopolymer post (65.4 vol%)

Commercial GF post (Coelho et al. 2009)

EL (GPa)

21.47

37.00

ET = ET′ (GPa)

10.54

9.50

GLT = GLT′ (GPa)

7.50

3.10

GTT′ (GPa)

4.22

3.50

νLT = νLT′

0.22

0.27

νTL = νT′L

0.11

0.34

νTT′

0.25

0.27

  1. EL obtained from experimental data from flexural test, while the other values are theoretical values calculated from relationships as shown in Appendix A in Pegoretti et al. 2002: E (Elastic modulus), G (Shear modulus), ν (Poisson ratios), L (Longitudinal direction), T and T′ (Transverse direction)
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