Structural Design and Electrical Characteristics of Wearable and Flexible Stainless Steel/Polyester Fibre Mixture 


Vol. 22,  No. 3, pp. 854-861, Mar.  2021
10.1007/s12221-021-0418-y


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  Abstract

The metallic fibres-based composite yarns have been increasingly used to make flexible, comfortable and wearable fabric sensors, which have advantages in monitoring human physical and physiological body characteristics. In our previous study, flexible and conductive blended yarns made from stainless steel (SS) fibres were fabricated into highly sensitive knitted fabric sensors. However, as the SS weight ratio increased (particularly the pure SS fibres-based yarn), yarns were easily broken in knitting process. Here we made adjustments to the new series of composite yarns with similar absolute fineness (same diameters) rather than relative fineness (linear density). Not only the problem of yarn breakage has been solved, it also retains the well-conductive (less than 70 廓/cm) and flexible and wearable properties. A more important result is that the varying probe span length makes little impact on these SS fibre mixtures values of percolation threshold (0.178 based on weight ratio and 0.015 on volume fraction, respectively) and on critical exponents (about 1.3, according with the universal conductivity exponent in 2D conductive polymer composite system). The main reason may be on account of these composite yarns having similar diameters (absolute fineness) and so aspect ratio.

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  Cite this article

[IEEE Style]

J. Ou, J. Xie, Y. Jia, "Structural Design and Electrical Characteristics of Wearable and Flexible Stainless Steel/Polyester Fibre Mixture," Fibers and Polymers, vol. 22, no. 3, pp. 854-861, 2021. DOI: 10.1007/s12221-021-0418-y.

[ACM Style]

Junjie Ou, Juan Xie, and Yongtang Jia. 2021. Structural Design and Electrical Characteristics of Wearable and Flexible Stainless Steel/Polyester Fibre Mixture. Fibers and Polymers, 22, 3, (2021), 854-861. DOI: 10.1007/s12221-021-0418-y.

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