Journal
COMPOSITE STRUCTURES
Volume 202, Issue -, Pages 783-792Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2018.04.019
Keywords
Modulus of elasticity; Limit of proportionality; Elastic potential; Composite material; Moduli of plasticity
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Funding
- Advanced research supporting the forestry and wood-processing sector's adaptation to global change and the 4th industrial revolution - OP RDE [CZ.02.1.01/0.0/0.0/16_019/0000803]
- University-wide Internal Grant Agency (CIGA) of the Faculty of Forestry and Wood Sciences at Czech University of Life Sciences Prague [2017 - 4306]
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The development of new composite materials using alternative sources of raw materials is of great importance nowadays due to the lack of raw wood material and the economic development of the market. The main objective of this article is to determine selected mechanical properties of new composite materials based on cellulose and lignin. We focused on the mechanical properties measured in the plastic range during the bending of composite materials. We monitored the effect of factors such as the method of modification (raw, boiled in water and soaked in a lye bath), and the effect of the adhesive used to bind components (polyester powder and urea formaldehyde). The monitored characteristics were the bending strength MOR, plastic potential Pp and the moduli of plasticity CHM, E-E, E-MV and E-P. The results constitute an important basis that is inevitably necessary in the production of new types of materials with specific properties for their intended use. The output of this article forms a part of a project whose goal is to create a mathematical model that will enable us to anticipate changes in the monitored characteristics, with regard to the required modifications.
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