Effect of temperature and moisture content on tensile behaviour of false banana fibre (Ensete ventricosum)
 
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1
Department of Mechanical Engineering, Faculty of Engineering, Czech University of Life Sciences Prague, Kamycka 129, Prague, Czech Republic
2
Department of Material Sciences and Manufacturing Technology; Faculty of Engineering, Czech University of Life Sciences Prague, Kamycka 129, Prague, Czech Republic
 
Int. Agrophys. 2017, 31(3): 377–382
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ABSTRACT
The mechanical behaviour of natural fibres as composite materials can be affected by changes in temperature and moisture content. The aim of this paper was to describe the effect of temperature and moisture content on tensile strength of false banana fibre (Ensete ventricosum) and to determine its water absorption. Samples of fibres were prepared and tested until rupture point with strain rate of 0.05 min-1 at temperature change between -20 and 220°C as well as moisture content between 10 and 90% wb. The water absorption and release of Ensete fibres at 60 and 90% relative humidity was also determined. Results showed that Ensete fibres exhibited stability of tensile strength in the temperature range from 0 to 100°C but the increase of temperature decreased statistically significantly the tensile strength. The effect of moisture content on tensile strength was not statistically significant. The equilibrium moisture content at 60% relative humidity and 25°C was determined.
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