Table 2 Inputs for the determination of the unknown parameters \({E}_{L}\) and \({E}_{T}\) based on measurements with AFM-NI and NI and literature data obtained from the same type of pulp.
From: The transverse and longitudinal elastic constants of pulp fibers in paper sheets
Material property | Â | Conditions | Source |
---|---|---|---|
\({{\varvec{M}}}_{{\varvec{L}}}\) |  | 45% relative humidity, 25 °C | This study |
AFM-NI hemisphere | Mean: 8.57Â GPa | Â | Â |
Median: 3.67Â GPa | Â | Â | |
AFM-NI pyramid | Mean: 7.06Â GPa | Â | Â |
Median: 4.19Â GPa | Â | Â | |
NI | Mean: 5.75Â GPa | Â | Â |
Median: 6.15Â GPa | Â | Â | |
\({{\varvec{M}}}_{{\varvec{T}}}\) |  | 45% relative humidity, 25 °C | This study |
AFM-NI hemisphere | Mean: 1.57Â GPa | Â | Â |
Median: 1.54Â GPa | Â | Â | |
\({\nu }_{TL}\) | 0.25 | Â | Assumed |
\({\nu }_{TT}\) | 0.25 | 50% relative humidity, 23 °C | |
\({G}_{TL}\) | 2.51 GPa | 50% relative humidity, 23 °C | |
\(MFA \,\, \theta\) | 0 | Â | Assumed |