Journal
INTERNATIONAL AGROPHYSICS
Volume 31, Issue 3, Pages 377-382Publisher
DE GRUYTER OPEN LTD
DOI: 10.1515/intag-2016-0067
Keywords
stress; tensile testing; water absorption; plant material
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Funding
- Internal Grant Agency of Faculty of Engineering, Czech University of Life Sciences, Prague [IGA 2017:31130/1312/3111]
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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 (Enseteventricosum) 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 degrees 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 degrees 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 degrees C was determined.
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