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Optimum Position of Electrodes to Detect Delaminations in Composite Materials Using the Electric Resistance Change Method

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Mechanics of Composite Materials Aims and scope

The paper discusses a method for measuring changes in the electric resistance of a unidirectional carbon-fiber-reinforced plastic (CFRP) to detect an internal delamination. A numerical solution was obtained by the four-probe method for measuring the electric resistance. The influence of distance between electrodes on the efficiency of delamination detection was investigated. The problem was solved by the method of planning of experiments and constructing a surface response by using a 2D finite-element model. The distance between electrodes and the length of delamination were selected as parameters of the study. Distances between the internal and external electrodes for an effective detection of delaminations are determined.

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Acknowledgments

This work was supported by the Riga Technical University through the Scientific Research Project Competition for Young Researchers No. ZP-2017/9.

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Authors and Affiliations

  1. Riga Technical University, Institute of Materials and Structures, Riga, Latvia

    A. Kovaļovs & S. Ručevskis

  2. University of Latvia, Institute for Mechanics of Materials, Riga, Latvia

    V. Kulakov

  3. Koszalin University of Technology, Department of Structural Mechanics, Koszalin, Poland

    M. Wesolowski

Authors
  1. A. Kovaļovs
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  2. S. Ručevskis
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  3. V. Kulakov
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  4. M. Wesolowski
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Corresponding author

Correspondence to A. Kovaļovs.

Additional information

Russian translation published in Mekhanika Kompozitnykh Materialov, Vol. 55, No. 6, pp. 1173-1184, November-December, 2019.

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Kovaļovs, A., Ručevskis, S., Kulakov, V. et al. Optimum Position of Electrodes to Detect Delaminations in Composite Materials Using the Electric Resistance Change Method. Mech Compos Mater 55, 811–818 (2020). https://doi.org/10.1007/s11029-020-09852-y

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  • DOI: https://doi.org/10.1007/s11029-020-09852-y

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