Continuous fiberizing by laser melting (Cofiblas): Production of highly flexible glass nanofibers with effectively unlimited length.

Autor:	Quintero F; Applied Physics Department, Universidade de Vigo, E.E.I., c/ Maxwell s/n, 36310 Vigo, Spain., Penide J; Applied Physics Department, Universidade de Vigo, E.E.I., c/ Maxwell s/n, 36310 Vigo, Spain., Riveiro A; Applied Physics Department, Universidade de Vigo, E.E.I., c/ Maxwell s/n, 36310 Vigo, Spain., Del Val J; Applied Physics Department, Universidade de Vigo, E.E.I., c/ Maxwell s/n, 36310 Vigo, Spain., Comesaña R; Department of Materials Engineering, Applied Mechanics and Construction, Universidade de Vigo, E.E.I., c/ Maxwell s/n, 36310 Vigo, Spain., Lusquiños F; Applied Physics Department, Universidade de Vigo, E.E.I., c/ Maxwell s/n, 36310 Vigo, Spain., Pou J; Applied Physics Department, Universidade de Vigo, E.E.I., c/ Maxwell s/n, 36310 Vigo, Spain.
Jazyk:	angličtina
Zdroj:	Science advances [Sci Adv] 2020 Feb 07; Vol. 6 (6), pp. eaax7210. Date of Electronic Publication: 2020 Feb 07 (Print Publication: 2020).
DOI:	10.1126/sciadv.aax7210
Abstrakt:	The development of nanofibers is expected to foster the creation of outstanding lightweight nanocomposites and flexible and transparent composites for applications such as optoelectronics. However, the reduced length of existing nanofibers and nanotubes limits mechanical strengthening and effective manufacturing. Here, we present an innovative method that produces glass nanofibers with lengths that are, effectively, unlimited by the process. The method uses a combination of a high-power laser with a supersonic gas jet. We describe the experimental setup and the physical processes involved, and, with the aid of a mathematical simulation, identify and discuss the key parameters which determine its distinctive features and feasibility. This method enabled the production of virtually unlimited long, solid, and nonporous glass nanofibers that display outstanding flexibility and could be separately arranged and weaved. (Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).)
Databáze:	MEDLINE
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