Textile Sensors Validatıon to Perform In Situ Structural Health Monitorıng of Textile Reinforced Thermoplastic Composites

Jerković, Ivona; Grancarić, Anamarija; Končar, Vladan

doi:10.4172/2329-9568.s4-018

Cited by 2 publications

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“…Textile sensors show more uniform coating for produced GF sensors, GF Sy-sp, compared to GF/PP sensors, GF/PP Sy-sp and GF/PA66 sensors, GF/PA66 Sy-sp by visual perception after their production ( Figure 12 ). This conclusion is supported by interface phenomena and related surface free energy (SFE) of textile sensors studied in a previous works [ 57 , 65 ]. According to Wu theory, SFE of GF/PP sensor is 47.55 mJ m −2 and SFE of GF/PA66 sensor is 35.65 mJ m −2 .…”

Section: Resultssupporting

confidence: 79%

“…According to Wu theory, SFE of GF/PP sensor is 47.55 mJ m −2 and SFE of GF/PA66 sensor is 35.65 mJ m −2 . Lower SFE of GF sensor, 37.28 mJ m −2 , than expected could be explained by a better coating process and “connection” (adhesion) of GF yarn and added coatings [ 65 ]. 8% PEDOT:PSS B/C conductive dry film prepared on the plexiglass surface shows also low SFE, 35.10 mJ m −2 [ 57 ].…”

Section: Resultsmentioning

confidence: 99%

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New Textile Sensors for In Situ Structural Health Monitoring of Textile Reinforced Thermoplastic Composites Based on the Conductive Poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) Polymer Complex

Jerković

Končar

Grancarić

2017

Sensors

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Many metallic structural and non-structural parts used in the transportation industry can be replaced by textile-reinforced composites. Composites made from a polymeric matrix and fibrous reinforcement have been increasingly studied during the last decade. On the other hand, the fast development of smart textile structures seems to be a very promising solution for in situ structural health monitoring of composite parts. In order to optimize composites’ quality and their lifetime all the production steps have to be monitored in real time. Textile sensors embedded in the composite reinforcement and having the same mechanical properties as the yarns used to make the reinforcement exhibit actuating and sensing capabilities. This paper presents a new generation of textile fibrous sensors based on the conductive polymer complex poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) developed by an original roll to roll coating method. Conductive coating for yarn treatment was defined according to the preliminary study of percolation threshold of this polymer complex. The percolation threshold determination was based on conductive dry films’ electrical properties analysis, in order to develop highly sensitive sensors. A novel laboratory equipment was designed and produced for yarn coating to ensure effective and equally distributed coating of electroconductive polymer without distortion of textile properties. The electromechanical properties of the textile fibrous sensors confirmed their suitability for in situ structural damages detection of textile reinforced thermoplastic composites in real time.

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Section: Resultssupporting

confidence: 79%

Section: Resultsmentioning

confidence: 99%

New Textile Sensors for In Situ Structural Health Monitoring of Textile Reinforced Thermoplastic Composites Based on the Conductive Poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) Polymer Complex

Jerković

Končar

Grancarić

2017

Sensors

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“…This is also in correlation with the interface phenomena and adhesion study. In the case of pristine yarn, the surface free energy (SFE) of GF was 74 mJm À2 , while of GF/PA66 and GF/PP was 62 mJm À2 and 53 mJm À2 [2,28]. The SFE of PA66 and PP yarn filaments was 48 mJm À2 and 20 mJm À2 .…”

Section: Morphological Analysis Of Pedot:pss Conductive Dry Films And...mentioning

confidence: 99%

The electrical properties of poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) films and its effect onto sensor yarn coating

Jerković

Grancarić

Končar

2020

Journal of Industrial Textiles

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In this study, the poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) conductive dry films were observed in terms of their thicknesses versus electrical resistances measured and related electrical resistivities calculated. The evolution of their electrical resistances was monitored in 75 days. Three groups of sensor yarns were studied also where the percolation threshold of the polymer complex poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) had a crucial role in their manufacture. More glass component in sensor yarns led to less coating thickness what is in correlation with their interface phenomena and adhesion.

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Textile Sensors Validatıon to Perform In Situ Structural Health Monitorıng of Textile Reinforced Thermoplastic Composites

Cited by 2 publications

References 0 publications

New Textile Sensors for In Situ Structural Health Monitoring of Textile Reinforced Thermoplastic Composites Based on the Conductive Poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) Polymer Complex

New Textile Sensors for In Situ Structural Health Monitoring of Textile Reinforced Thermoplastic Composites Based on the Conductive Poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) Polymer Complex

The electrical properties of poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) films and its effect onto sensor yarn coating

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