Magnetoelectric laminate composite based tachometer for harsh environment applications

Robert Myers; Rashed Adnan Islam; Makarand Karmarkar; Shashank Priya

doi:10.1063/1.2784959

Magnetoelectric laminate composite based tachometer for harsh environment applications

Robert Myers, Rashed Adnan Islam, Makarand Karmarkar, Shashank Priya

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

This study reports the design, fabrication, and characterization of a tachometer utilizing magnetoelectric (ME) laminate composites with sandwich structure consisting of Pb (Zr,Ti) O3 (PZT) and Galfenol. High temperature characterization of Galfenol shows that it can sustain the magnetic property over 500 °C. The Curie temperature of PZT compositions was in the range of 325-340 °C. The magnitude of the ME coefficient was found to scale with the dimensionless ratio (d g/S), where d is the piezoelectric strain constant, g is the piezoelectric voltage constant, and S is the elastic compliance. The tachometer design is based on the principle that when ME composite is exposed to oscillating magnetic field, it generates voltage with the same frequency.

Original language	English (US)
Article number	122904
Journal	Applied Physics Letters
Volume	91
Issue number	12
DOIs	https://doi.org/10.1063/1.2784959
State	Published - 2007
Externally published	Yes

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10.1063/1.2784959

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title = "Magnetoelectric laminate composite based tachometer for harsh environment applications",

abstract = "This study reports the design, fabrication, and characterization of a tachometer utilizing magnetoelectric (ME) laminate composites with sandwich structure consisting of Pb (Zr,Ti) O3 (PZT) and Galfenol. High temperature characterization of Galfenol shows that it can sustain the magnetic property over 500 °C. The Curie temperature of PZT compositions was in the range of 325-340 °C. The magnitude of the ME coefficient was found to scale with the dimensionless ratio (d g/S), where d is the piezoelectric strain constant, g is the piezoelectric voltage constant, and S is the elastic compliance. The tachometer design is based on the principle that when ME composite is exposed to oscillating magnetic field, it generates voltage with the same frequency.",

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year = "2007",

doi = "10.1063/1.2784959",

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AU - Karmarkar, Makarand

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AB - This study reports the design, fabrication, and characterization of a tachometer utilizing magnetoelectric (ME) laminate composites with sandwich structure consisting of Pb (Zr,Ti) O3 (PZT) and Galfenol. High temperature characterization of Galfenol shows that it can sustain the magnetic property over 500 °C. The Curie temperature of PZT compositions was in the range of 325-340 °C. The magnitude of the ME coefficient was found to scale with the dimensionless ratio (d g/S), where d is the piezoelectric strain constant, g is the piezoelectric voltage constant, and S is the elastic compliance. The tachometer design is based on the principle that when ME composite is exposed to oscillating magnetic field, it generates voltage with the same frequency.

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Magnetoelectric laminate composite based tachometer for harsh environment applications

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