A piezopaint-based sensor for monitoring of structure dynamics

Reima Lahtinen, Tatu Muukkonen, Jari Koskinen, S.-P. Hannula, O. Heczko

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)

Abstract

Piezoceramic materials are used today in a variety of applications. By combining a piezoceramic powder with paint resin it is possible to fabricate a new type of piezomaterial, which can easily be applied to almost any surface. This paper describes the development of such a paint. The thermal stability and sensitivity as a function of frequency were investigated. Furthermore, a sensor based on an optimized epoxy piezopaint having a thickness of 80 µm was fixed on a steel beam of a footbridge to study the performance of the sensor and its long-term stability. It was demonstrated that the sensor could detect signals easily both from bridge movement and from pedestrian traffic on the bridge. The signal remained constant for a period of over thirteen months of monitoring.
Original languageEnglish
Pages (from-to)2571-2576
JournalSmart Materials and Structures
Volume16
Issue number6
DOIs
Publication statusPublished - 2007
MoE publication typeA1 Journal article-refereed

Fingerprint

paints
Paint
Monitoring
sensors
Sensors
Footbridges
Steel
Powders
resins
traffic
Thermodynamic stability
thermal stability
Resins
steels
sensitivity

Keywords

  • smart materials
  • piezoceramic materials
  • piezomaterials
  • piezoelectric films
  • piezoelectricity
  • sensors
  • thin film sensors

Cite this

Lahtinen, R., Muukkonen, T., Koskinen, J., Hannula, S-P., & Heczko, O. (2007). A piezopaint-based sensor for monitoring of structure dynamics. Smart Materials and Structures, 16(6), 2571-2576. https://doi.org/10.1088/0964-1726/16/6/061
Lahtinen, Reima ; Muukkonen, Tatu ; Koskinen, Jari ; Hannula, S.-P. ; Heczko, O. / A piezopaint-based sensor for monitoring of structure dynamics. In: Smart Materials and Structures. 2007 ; Vol. 16, No. 6. pp. 2571-2576.
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Lahtinen, R, Muukkonen, T, Koskinen, J, Hannula, S-P & Heczko, O 2007, 'A piezopaint-based sensor for monitoring of structure dynamics', Smart Materials and Structures, vol. 16, no. 6, pp. 2571-2576. https://doi.org/10.1088/0964-1726/16/6/061

A piezopaint-based sensor for monitoring of structure dynamics. / Lahtinen, Reima; Muukkonen, Tatu; Koskinen, Jari; Hannula, S.-P.; Heczko, O.

In: Smart Materials and Structures, Vol. 16, No. 6, 2007, p. 2571-2576.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - A piezopaint-based sensor for monitoring of structure dynamics

AU - Lahtinen, Reima

AU - Muukkonen, Tatu

AU - Koskinen, Jari

AU - Hannula, S.-P.

AU - Heczko, O.

PY - 2007

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AB - Piezoceramic materials are used today in a variety of applications. By combining a piezoceramic powder with paint resin it is possible to fabricate a new type of piezomaterial, which can easily be applied to almost any surface. This paper describes the development of such a paint. The thermal stability and sensitivity as a function of frequency were investigated. Furthermore, a sensor based on an optimized epoxy piezopaint having a thickness of 80 µm was fixed on a steel beam of a footbridge to study the performance of the sensor and its long-term stability. It was demonstrated that the sensor could detect signals easily both from bridge movement and from pedestrian traffic on the bridge. The signal remained constant for a period of over thirteen months of monitoring.

KW - smart materials

KW - piezoceramic materials

KW - piezomaterials

KW - piezoelectric films

KW - piezoelectricity

KW - sensors

KW - thin film sensors

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JO - Smart Materials and Structures

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