Wood cement composites reinforced with polypropylene fibre
Journal Title: Journal of Achievements in Materials and Manufacturing Engineering - Year 2016, Vol 76, Issue 2
Abstract
Purpose: This paper presents basic investigation into the effect of different lengths ofpolypropylene fibres in surface layers of wood cement boards is investigated on theirphysical and mechanical properties including density, moisture content, thickness swelling,modulus of elasticity, modulus of rupture, internal bond strength and screw withdrawalstrength of the samples.Design/methodology/approach: Wood cement composites with a dimension of400x400x10 mm were produced using three different lengths of PPF and with a constantwood/ement ratio (1/3 by weight) and target density (1.2 g/cm3).Findings: The results showed that PPF usage had statistically significant effect on theproperties of wood cement composite. The highest mechanical properties were obtainedfrom samples of control-WCB group while the lowest moisture content and thicknessswelling were observed in PPF reinforced cement boards.Research limitations/implications: It was observed that the PPF usage decreasedthickness swelling values of the boards up to 80%, according to wood. Using wood and PPFtogether resulted in better mechanical values of the boards compared to using PPF aloneand higher MOR and MOE values than the EN 634-2 standards. Physical properties of all theboards satisfied the minimum requirements for the EN 634-2 standard.Originality/value: The results can be assessed as novel in the range of usage a modifiedmaterial in wood cement board.
Authors and Affiliations
A. Donmez Cavdar, H. Yel, S. Boran
Keywords
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