4. Conclusions
1. The bending coefficients obtained show the following average differences
between compositions:
– Hct and Hcb: 1% in favor of Hcb,
– Sct and Scb: 4% in favor of Scb,
– Hct and Sct: 30% in favor of Sct,
– Hb and Sb: 10% in favor of Sb.
2. The research results have proven that the bendability coefficient depends
on the layers position and thickness in the composition. Better
bendability was confirmed for compositions with soft material
placed in the bottom layer.
3. One of the results of this work is the developed tool for the behavior
prediction of layered material based on the knowledge of the properties
of different layers. This creates better possibilities of future design
of these materials.
4. Further research should be oriented towards improvement of the
mathematical model as well as to the collection of the experimental
characteristics of different materials. More complete and more reliable
database of characteristics can substantially extend the utilization
of the proposed model.
Acknowledgments
The authors are grateful for the support of the Internal Grant Agency
of the Faculty of Forestry and Wood Science at Czech University of Life
Sciences, project B05/15, “Properties of laminated materials based on
wood and non-wood components”.