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Effect of Nanorough Surface in Evaluating the Handle of Nanofiber Web

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The effect of frictional coefficient on handle measurement of the nanofiber webs was studied by using a home-made apparatus. The instrument measures directly the frictional coefficient between the finger and the nanofiber web. The stick-slip phenomenon was observed in friction of polyurethane (PU) nanofiber webs and nylon nanofiber laminate-coated nylon 6 fabrics above the critical load of ∼1 N. Conventional friction test was also carried out on Kawabata Evaluation System (KES FB 4) which did not show stick-slip process up to a load of 0.49 N. Moreover, it was found that the frictional coefficient of PU nanofiber webs and nylon nanofiber laminate-coated nylon 6 fabrics decreased despite the increase in applied load, indicating that Coulomb-Amonton's friction law did not hold good. However, conventional nylon fabric was found to exhibit friction behaviour independent of the applied load. Possible reason attributed to these phenomena is discussed in terms of the repeated adhesion-shear deformation behavior between the nanofiber web and the forefinger.
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Document Type: Research Article

Publication date: 01 March 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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