Single MWNT-Glass Fiber as Strain Sensor and Switch

Authors

  • Jie Zhang,

    1. Leibniz–Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, Dresden 01069, Germany
    2. Technische Universität Dresden, Institut für Werkstoffwissenschaft, Dresden 01069, Germany
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  • Jianwen Liu,

    1. Leibniz–Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, Dresden 01069, Germany
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  • Rongchuan Zhuang,

    1. Leibniz–Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, Dresden 01069, Germany
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  • Edith Mäder,

    Corresponding author
    1. Leibniz–Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, Dresden 01069, Germany
    2. Technische Universität Dresden, Institut für Werkstoffwissenschaft, Dresden 01069, Germany
    • Leibniz–Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, Dresden 01069, Germany.
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  • Gert Heinrich,

    1. Leibniz–Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, Dresden 01069, Germany
    2. Technische Universität Dresden, Institut für Werkstoffwissenschaft, Dresden 01069, Germany
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  • Shanglin Gao

    Corresponding author
    1. Leibniz–Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, Dresden 01069, Germany
    • Leibniz–Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, Dresden 01069, Germany.
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Abstract

original image

A single multiwalled carbon nanotube (MWNT)-glass fiber is used to monitor the initiation and growth of microcracks in composites, which provides an early warning system to detect fracture in materials. An electromechanical microswitch is further constructed based on the connecting/breaking of the nanotube bridges across microcracks under external strain or thermal expansion.

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