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The Mechanism of Crimp Removal in Synthetic Staple FibersPart I: Crimp Geometry and the Load-Extension CurveFreudenberg Nonwovens N.A., Tuft Division, Durham, North Carolina 27704, U.S.A.
College of Textiles, North Carolina State University, Raleigh, North Carolina 27695, U.S.A.
College of Textiles, North Carolina State University, Raleigh, North Carolina 27695, U.S.A. Fiber crimp behavior is an important parameter for processing performance and product quality. This study quantifies the mechanical behavior of a fiber during crimp removal. Single fiber tensile tests are performed on various fibers using a Textechno Favimat. Simultaneously, crimp removal is optically monitored. A methodology is developed to identify the true crimp removal region of the fiber load-extension curve during a tensile test. A mechanical model accounting for the nonlinear load-deflection behavior during crimp removal is also developed.
Textile Research Journal, Vol. 74, No. 4,
343-350 (2004) |
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