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Recently, due to increased environmental concerns, scientists and technologists have placed great importance on the application of natural fibres, especially in biocomposites. The sugar palm tree is one of the most popular natural fibres used in engineering applications. A study on the fundamental properties of fibres from different morphological parts of the sugar palm plant, which are bunch, black...
The tensile properties of polyurethane filaments, Modal yarns and Modal/polyurethane core-spun yarns were tested. The stress-strain relationship of the yarns is analysed using a nonlinear viscoelastic model, and the multinomial relationship between stress and strain is obtained. Curve fitting is also made using the least square method. Theoretical calculations agree with the measured results very...
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