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Pigment sensors: A piezoelectric coating can make vibrations measurable

Lookup NU author(s): Dr Jack Hale


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Piezoelectric crystals such as lead zinc titanate produce an electric voltage when subjected to pressure. As pigments in coatings formulation, these crystals yield an "intelligent" piezoelectric coating that can be sprayed direct onto almost any surface and cured at room temperature. A coating of this type can thus be used as online load-sensors to measure the vibrations in large constructions such as bridges, aircraft, and pipework.

Publication metadata

Author(s): Hale JM

Publication type: Article

Publication status: Published

Journal: Farbe und Lack

Year: 2002

Volume: 108

Issue: 9

Pages: 22-27

Print publication date: 01/01/2002

ISSN (print): 0014-7699

ISSN (electronic):

Publisher: Vincentz Verlag