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Conductive FDM Filament: Electrical Resistivity Assessment and Sensor Applications

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F23%3A00367547" target="_blank" >RIV/68407700:21230/23:00367547 - isvavai.cz</a>

  • Result on the web

    <a href="https://ieeexplore.ieee.org/document/10168513" target="_blank" >https://ieeexplore.ieee.org/document/10168513</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1109/ISSE57496.2023.10168513" target="_blank" >10.1109/ISSE57496.2023.10168513</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Conductive FDM Filament: Electrical Resistivity Assessment and Sensor Applications

  • Original language description

    A conductive filament proposed for Fused Deposition Modeling was produced and evaluated in terms of electrical resistivity. Thermoplastic polyester polylactic acid (PLA) was selected as a pristine polymer. Carbon black (CB) was added to PLA to improve the electrical conductivity. The incorporation ratio of the CB in PLA was set to 30 wt.%. Neat polymer and another commercially available filament with CB filling were included in the measurements and comparison. Volume and surface resistivity was measured perpendicularly to the printing direction. Further, the resistivity evaluation of the materials was performed in the same direction as the filament deposition. This resistivity was determined using a four-wire measuring method and purposefully designed specimens. A decrease of twelve orders of volume resistivity was observed for filled PLA. Mechanical properties were determined via tensile testing. The behavior of the material under thermomechanical loading was observed by dynamic mechanical analysis (DMA). Glass transition temperature was determined from DMA diagrams. A touch sensor in the form of circular electrodes was prepared for the purpose of practical use assessment. The functionality of the sensor was verified by switching the transistor, which controlled the LED. Magnitudes of electric current flowing through the sensor at various supplied voltage levels were monitored. The second practical utilization was demonstrated by the strain gauge. The sensor for bending detection was designed to exhibit resistivity in hundreds of kiloohms. The strain sensing behavior of the strain gauge was determined by conducting tensile loading.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20201 - Electrical and electronic engineering

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    2023 46th International Spring Seminar on Electronics Technology (ISSE)

  • ISBN

    979-8-3503-3484-5

  • ISSN

    2161-2528

  • e-ISSN

    2161-2536

  • Number of pages

    7

  • Pages from-to

  • Publisher name

    IEEE Press

  • Place of publication

    New York

  • Event location

    Temešvár

  • Event date

    May 10, 2023

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article