Mechanical Properties of a Single Electrospun Fiber and Its Structures


Gu, Shu-Ying and Wu, Qi-Lin and Ren, Jie and Vancso, G. Julius (2005) Mechanical Properties of a Single Electrospun Fiber and Its Structures. Macromolecular Rapid Communications, 26 (9). pp. 716-720. ISSN 1022-1336

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Abstract:A method to measure the Young's modulus of a single electrospun polyacrylonitrile (PAN) fiber is reported. The Young's modulus can be calculated from the force-displacement curves obtained by the bending of a single fiber attached to an atomic force microscopy (AFM) cantilever. It is suggested that the high modulus of electrospun fibers is caused by the orientation of molecular chains, which is confirmed by wide-angle X-ray diffraction (WAXD) measurements. The communication will provide a basic understanding of the relationship between mechanical properties and structures of electrospun fibers.
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Copyright:© 2005 WILEY-VCH
Science and Technology (TNW)
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Metis ID: 228978