HACS: Helical Auxetic Yarn Capacitive Strain Sensors with Sensitivity Beyond the Theoretical Limit (Adv. Mater. 10/2023)

Capacitive Strain Sensors In article number 2209321, Tyler J. Cuthbert, Carlo Menon, and co‐workers present a novel capacitive strain sensor that accesses sensitivity beyond the theoretical limit. The helical auxetic capacitive sensor (HACS) employs a two‐component yarn structure allowing tuneable s...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2023-03, Vol.35 (10), p.n/a
Main Authors: Cuthbert, Tyler J., Hannigan, Brett C., Roberjot, Pierre, Shokurov, Alexander V., Menon, Carlo
Format: Article
Language:English
Subjects:
auxetics
capacitive sensors
fibers
helical auxetic yarn
Materials science
metamaterials
Sensitivity
Sensors
strain sensor
textiles
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Summary:Capacitive Strain Sensors In article number 2209321, Tyler J. Cuthbert, Carlo Menon, and co‐workers present a novel capacitive strain sensor that accesses sensitivity beyond the theoretical limit. The helical auxetic capacitive sensor (HACS) employs a two‐component yarn structure allowing tuneable sensitivity and accessible strain ranges. The HACS sensitivity is found to be from an engulfment phenomenon, which is predicted with a geometric model and analyzed by X‐ray μCT scanning.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.202370072