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On the cover of the Journal of Polymer Science Part B-Polymer Physics, 1 February 2016

By : Judith Wollbrett-Blitz, Sébastien Joannés, Rémi Bruant, Christophe Leclerc, Marc Roméro de la Osa, Anthony Bunsell, and Alba Marcellan

High performance fibers, such as para-aramid fibers, are designed to face material industrial challenges that demand high resistance and lightness. Often, fibers are exploited as threads or woven in fabric, which implies complex multi-axial mechanical loadings and complex contacts between fibers. In that context, mechanical characterization at the single fiber scale is crucial, but remains challenging especially when the fiber diameter is as small as 15 μm. On page 374 (DOI : 10.1002/polb.23763), Judith Wollbrett-Blitz, Sébastien Joannés, Rémi Bruant, Christophe Leclerc, Marc Roméro de la Osa, Anthony Bunsell, and Alba Marcellan report on the longitudinal and transverse mechanical behavior of a single para-aramid fiber, focusing on the radial response, in order to shed light on the skin/core architecture. The scanning electron microscope image on the cover reveals the strong anisotropy of the fiber and illustrates the complexity of the hierarchical morphology.

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS Volume : 54 Issue : 3 Pages : 374-384 Published : FEB 1 201