Quantitative verification of thin-film polyvinylidene fluoride (PVDF) transducer array performance up to 60°C

Christopher Hakoda, Baiyang Ren, Clifford Jesse Lissenden, III, Joseph Lawrence Rose

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Thin-film PVDF (polyvinylidene fluoride) transducers are appealing as low cost, light weight, durable, and flexible sensors for structural health monitoring applications in aircraft structures. However, due to the relatively low Curie temperature of PVDF, there is a concern that it's performance will drop below acceptable levels during elevated-temperature operating conditions. To verify acceptable performance in these environmental operating conditions, temperature history data were collected between 23-60°C. The effect of temperature on the thin-film PVDF was investigated and a temperature-independent damage feature was assessed. The temperature dependence of the signal's peak amplitude was investigated in both the time domain and the spectral domain to get two damage features. It was found that the measurement of the incident guided wave by the thin-film PVDF transducer had a temperature dependence that varied with frequency. A third damage feature, the mode ratio, was also calculated in the spectral domain with the goal of defining a damage feature that is temperature independent. A comparison of how well these damage features performed when used to identify a notch in an aluminum plate was made using receiver operating characteristic curves and their respective area under the curve values. This result demonstrated that a temperature-independent damage feature can be calculated, to some degree, by using a mode ratio between two modes of similar temperature dependence.

Original languageEnglish (US)
Title of host publication43rd Annual Review of Progress in Quantitative Nondestructive Evaluation, Volume 36
EditorsLeonard J. Bond, Dale E. Chimenti
PublisherAmerican Institute of Physics Inc.
Volume1806
ISBN (Electronic)9780735414747
DOIs
StatePublished - Feb 16 2017
Event43rd Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2016 - Atlanta, United States
Duration: Jul 17 2016Jul 22 2016

Other

Other43rd Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2016
CountryUnited States
CityAtlanta
Period7/17/167/22/16

Fingerprint

vinylidene
fluorides
transducers
damage
thin films
temperature dependence
temperature
aircraft structures
structural health monitoring
curves
notches
operating temperature
Curie temperature
receivers
histories
aluminum
sensors

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Hakoda, C., Ren, B., Lissenden, III, C. J., & Rose, J. L. (2017). Quantitative verification of thin-film polyvinylidene fluoride (PVDF) transducer array performance up to 60°C. In L. J. Bond, & D. E. Chimenti (Eds.), 43rd Annual Review of Progress in Quantitative Nondestructive Evaluation, Volume 36 (Vol. 1806). [020018] American Institute of Physics Inc.. https://doi.org/10.1063/1.4974559
Hakoda, Christopher ; Ren, Baiyang ; Lissenden, III, Clifford Jesse ; Rose, Joseph Lawrence. / Quantitative verification of thin-film polyvinylidene fluoride (PVDF) transducer array performance up to 60°C. 43rd Annual Review of Progress in Quantitative Nondestructive Evaluation, Volume 36. editor / Leonard J. Bond ; Dale E. Chimenti. Vol. 1806 American Institute of Physics Inc., 2017.
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Hakoda, C, Ren, B, Lissenden, III, CJ & Rose, JL 2017, Quantitative verification of thin-film polyvinylidene fluoride (PVDF) transducer array performance up to 60°C. in LJ Bond & DE Chimenti (eds), 43rd Annual Review of Progress in Quantitative Nondestructive Evaluation, Volume 36. vol. 1806, 020018, American Institute of Physics Inc., 43rd Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2016, Atlanta, United States, 7/17/16. https://doi.org/10.1063/1.4974559

Quantitative verification of thin-film polyvinylidene fluoride (PVDF) transducer array performance up to 60°C. / Hakoda, Christopher; Ren, Baiyang; Lissenden, III, Clifford Jesse; Rose, Joseph Lawrence.

43rd Annual Review of Progress in Quantitative Nondestructive Evaluation, Volume 36. ed. / Leonard J. Bond; Dale E. Chimenti. Vol. 1806 American Institute of Physics Inc., 2017. 020018.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - Thin-film PVDF (polyvinylidene fluoride) transducers are appealing as low cost, light weight, durable, and flexible sensors for structural health monitoring applications in aircraft structures. However, due to the relatively low Curie temperature of PVDF, there is a concern that it's performance will drop below acceptable levels during elevated-temperature operating conditions. To verify acceptable performance in these environmental operating conditions, temperature history data were collected between 23-60°C. The effect of temperature on the thin-film PVDF was investigated and a temperature-independent damage feature was assessed. The temperature dependence of the signal's peak amplitude was investigated in both the time domain and the spectral domain to get two damage features. It was found that the measurement of the incident guided wave by the thin-film PVDF transducer had a temperature dependence that varied with frequency. A third damage feature, the mode ratio, was also calculated in the spectral domain with the goal of defining a damage feature that is temperature independent. A comparison of how well these damage features performed when used to identify a notch in an aluminum plate was made using receiver operating characteristic curves and their respective area under the curve values. This result demonstrated that a temperature-independent damage feature can be calculated, to some degree, by using a mode ratio between two modes of similar temperature dependence.

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Hakoda C, Ren B, Lissenden, III CJ, Rose JL. Quantitative verification of thin-film polyvinylidene fluoride (PVDF) transducer array performance up to 60°C. In Bond LJ, Chimenti DE, editors, 43rd Annual Review of Progress in Quantitative Nondestructive Evaluation, Volume 36. Vol. 1806. American Institute of Physics Inc. 2017. 020018 https://doi.org/10.1063/1.4974559