Influence of Fiber Deviation on Strength of Thin Birch (Betula pendula Roth.) Veneers
Abstract
:1. Introduction
- Wide-angle X-ray scattering delivers reliable fiber deviations in two dimensions as well as at two hierarchical levels.
- A sound correlation between fiber deviation and ultimate tensile strength of the veneer can be achieved.
2. Materials and Methods
2.1. Sample Preperation
2.2. Sample Properties
2.3. Wide-Angle X-Ray Scattering (WAXS)
3. Results and Discussion
3.1. Sample Properties
3.2. Fiber Deviation
3.3. Fiber Deviation and Strength
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
Appendix A
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Statistical Indicator | σt [MPa] | ρ [kg/m³] | mfa [°] | α1 [°] | α2 [°] | β [°] |
---|---|---|---|---|---|---|
n | 18 | 18 | 18 | 18 | 18 | 18 |
mean | 95.03 | 605 | 9.61 | 1.61 | 2.83 | 3.39 |
COV | 37% | 13% | 23% | 39% | 63% | 53% |
min. | 36.76 | 469 | 7.54 | 0.79 | 1.22 | 1.50 |
max. | 160.28 | 684 | 12.89 | 2.94 | 6.89 | 7.10 |
Property | Min. Angle | Mean Angle | Max. Angle |
---|---|---|---|
σt [MPa] | 1 | 1 | 1 |
ρ [kg/m³] | 0.551 | 0.551 | 0.551 |
mfa [°] | −0.726 | −0.805 | −0.783 |
α1 [°] | −0.663 | −0.762 | −0.594 |
α2 [°] | −0.626 | −0.806 | −0.852 |
β [°] | −0.735 | −0.846 | −0.818 |
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Pramreiter, M.; Bodner, S.C.; Keckes, J.; Stadlmann, A.; Kumpenza, C.; Müller, U. Influence of Fiber Deviation on Strength of Thin Birch (Betula pendula Roth.) Veneers. Materials 2020, 13, 1484. https://doi.org/10.3390/ma13071484
Pramreiter M, Bodner SC, Keckes J, Stadlmann A, Kumpenza C, Müller U. Influence of Fiber Deviation on Strength of Thin Birch (Betula pendula Roth.) Veneers. Materials. 2020; 13(7):1484. https://doi.org/10.3390/ma13071484
Chicago/Turabian StylePramreiter, Maximilian, Sabine C. Bodner, Jozef Keckes, Alexander Stadlmann, Cedou Kumpenza, and Ulrich Müller. 2020. "Influence of Fiber Deviation on Strength of Thin Birch (Betula pendula Roth.) Veneers" Materials 13, no. 7: 1484. https://doi.org/10.3390/ma13071484