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Development of stainless steel yarn with embedded surface mounted light emitting diodes

Abdella Simegnaw Ahmmed (UGent) , Benny Malengier (UGent) , Melkie Getnet Tadesse and Lieva Van Langenhove (UGent)
(2022) MATERIALS. 15(8).
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Abstract
The integration of electronic components in/onto conductive textile yarns without compromising textile qualities such as flexibility, conformability, heat and moisture transfer, and wash resistance is essential to ensuring acceptance of electronic textiles. One solution is creating flexible and stretchable conductive yarns that contain tiny surface-mounted electronic elements embedded at the fiber level. The purpose of this work was to manufacture and subsequently evaluate the physical features and electromechanical properties of stainless steel yarn with light-emitting surface mounted devices (SMDs) embedded in it. The SMDs were successfully integrated into a conductive stainless steel yarn (SS) by inserting crimp beads and creating a bond through hot air soldering machines, resulting in what we call an E-yarn. The relationship curves between gauge length and electrical resistance, and the relationship curves between conductive yarn elongation and electrical resistance, were explored experimentally. The results of the analysis demonstrated that E-yarn had a lower tensile strength than the original electrically-conductive SS yarn. The effects of the washing cycle on the conductivity of the E-yarn were also investigated and studied. The results showed that E-yarns encapsulated at the solder pad by heat shrink tube still functioned well after ten machine wash cycles, after which they degraded greatly.
Keywords
smart textile, wearable textile, conductive yarn, E-yarn, surface mounted devices, light emitting diode, e-textile, SMART TEXTILES, ELECTRONICS, RESISTANCE, DESIGN

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MLA
Ahmmed, Abdella Simegnaw, et al. “Development of Stainless Steel Yarn with Embedded Surface Mounted Light Emitting Diodes.” MATERIALS, vol. 15, no. 8, 2022, doi:10.3390/ma15082892.
APA
Ahmmed, A. S., Malengier, B., Tadesse, M. G., & Van Langenhove, L. (2022). Development of stainless steel yarn with embedded surface mounted light emitting diodes. MATERIALS, 15(8). https://doi.org/10.3390/ma15082892
Chicago author-date
Ahmmed, Abdella Simegnaw, Benny Malengier, Melkie Getnet Tadesse, and Lieva Van Langenhove. 2022. “Development of Stainless Steel Yarn with Embedded Surface Mounted Light Emitting Diodes.” MATERIALS 15 (8). https://doi.org/10.3390/ma15082892.
Chicago author-date (all authors)
Ahmmed, Abdella Simegnaw, Benny Malengier, Melkie Getnet Tadesse, and Lieva Van Langenhove. 2022. “Development of Stainless Steel Yarn with Embedded Surface Mounted Light Emitting Diodes.” MATERIALS 15 (8). doi:10.3390/ma15082892.
Vancouver
1.
Ahmmed AS, Malengier B, Tadesse MG, Van Langenhove L. Development of stainless steel yarn with embedded surface mounted light emitting diodes. MATERIALS. 2022;15(8).
IEEE
[1]
A. S. Ahmmed, B. Malengier, M. G. Tadesse, and L. Van Langenhove, “Development of stainless steel yarn with embedded surface mounted light emitting diodes,” MATERIALS, vol. 15, no. 8, 2022.
@article{8749775,
  abstract     = {{The integration of electronic components in/onto conductive textile yarns without compromising textile qualities such as flexibility, conformability, heat and moisture transfer, and wash resistance is essential to ensuring acceptance of electronic textiles. One solution is creating flexible and stretchable conductive yarns that contain tiny surface-mounted electronic elements embedded at the fiber level. The purpose of this work was to manufacture and subsequently evaluate the physical features and electromechanical properties of stainless steel yarn with light-emitting surface mounted devices (SMDs) embedded in it. The SMDs were successfully integrated into a conductive stainless steel yarn (SS) by inserting crimp beads and creating a bond through hot air soldering machines, resulting in what we call an E-yarn. The relationship curves between gauge length and electrical resistance, and the relationship curves between conductive yarn elongation and electrical resistance, were explored experimentally. The results of the analysis demonstrated that E-yarn had a lower tensile strength than the original electrically-conductive SS yarn. The effects of the washing cycle on the conductivity of the E-yarn were also investigated and studied. The results showed that E-yarns encapsulated at the solder pad by heat shrink tube still functioned well after ten machine wash cycles, after which they degraded greatly.}},
  articleno    = {{2892}},
  author       = {{Ahmmed, Abdella Simegnaw and Malengier, Benny and Tadesse, Melkie Getnet and Van Langenhove, Lieva}},
  issn         = {{1996-1944}},
  journal      = {{MATERIALS}},
  keywords     = {{smart textile,wearable textile,conductive yarn,E-yarn,surface mounted devices,light emitting diode,e-textile,SMART TEXTILES,ELECTRONICS,RESISTANCE,DESIGN}},
  language     = {{eng}},
  number       = {{8}},
  pages        = {{17}},
  title        = {{Development of stainless steel yarn with embedded surface mounted light emitting diodes}},
  url          = {{http://doi.org/10.3390/ma15082892}},
  volume       = {{15}},
  year         = {{2022}},
}
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