期刊
MATERIALS & DESIGN
卷 110, 期 -, 页码 685-692出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2016.08.042
关键词
Bicomponent melt-spinning; Liquid-core fiber; Energy dissipation; Damping factor; Fiber-reinforced composite
资金
- Swiss National Science Foundation's Smart Materials Program [NRP-62]
We demonstrate the continuous production of liquid-filled polymeric fibers in a stable melt-spinning process at the pilot plant scale. Different polymers and liquids could successfully be combined over a wide range of core sheath dimensions. The ability to produce a continuous liquid-core fiber (LCF) is attractive since post-filling of a hollow fiber with similar dimensions is not practical. We characterized the mechanical properties of the LCF's with particular attention to their damping properties. A LCF can exhibit significantly enhanced damping properties compared to plain polymeric filaments of same dimensions. Some possible damping mechanisms are discussed. This new type of fiber could find future applications in the enhancement of the damping factor of fiber-reinforced lightweight structures. (C) 2016 Elsevier Ltd. All rights reserved.
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