In this paper, we report our study on using P(VDF-TrFE) to develop a piezoelectric yarn. A new type of needleless nozzle for electrospinning multiple piezoelectric fibers is developed. It is verified that the developed yarn can withstand a mechanical statin as high as 40%. After 2.5 hours alignment process, the yarn has better aligned fiber bundle and lower hysteresis. Furthermore, it could produce a more linear charge output under different strain ranges. This yarn can be applied to a flexible sensor for large strain sensing.
Chih-Cheng Kuo, Yu-Hsiang Hsu, and Chih-Kung Lee, "Development of P(VDF-TrFE) yarn for strain sensing," Proc. SPIE 10972, Health Monitoring of Structural and Biological Systems XIII, 109721T (Presented at SPIE Smart Structures + Nondestructive Evaluation: March 07, 2019; Published: 1 April 2019); https://doi.org/10.1117/12.2514439.
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