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 inAdvanced materials (Weinheim) Vol. 35; no. 10
Main Authors Cuthbert, Tyler J., Hannigan, Brett C., Roberjot, Pierre, Shokurov, Alexander V., Menon, Carlo
Format Journal Article
LanguageEnglish
Published Weinheim Wiley Subscription Services, Inc 01.03.2023
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