Embedded cure monitor, strain gauge, and mechanical state estimator

J. Dubow; W. Zhang; Y. Lu; J. Bingham; F. Syammach; D. G. Krantz; J. H. Belk; P. Bierman; R. Harjani; S. C. Mantell; D. L. Polla; P. R. Troyk

Embedded cure monitor, strain gauge, and mechanical state estimator

J. Dubow, W. Zhang, Y. Lu, J. Bingham, F. Syammach, D. G. Krantz, J. H. Belk, P. Bierman, R. Harjani, S. C. Mantell, D. L. Polla, P. R. Troyk

Research output: Contribution to journal › Conference article › peer-review

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Abstract

Pressed PZT Piezoelectric disks were embedded in a range of materials and their properties monitored under a wide range of conditions. The output depends on the temperature and pressure exerted on the PZT by the surrounding material and by the mechanical impedance mismatch between the embedded PZT and the surroundings. By monitoring the 'Q' of the PZT (the ratio of energy stored to energy dissipated) it was found that the PZT discs could be used as cure monitors, strain gauges, and as embedded dynamic mechanical property estimators. This latter property is a means of gauging the 'health of the material', and its degradation with time. These sensors were part of the MTS/US Navy embedded sensor program, so the sensors could be addressed and read remotely. The techniques, the data and the applications are discussed in this paper.

Original language	English (US)
Pages (from-to)	336-350
Number of pages	15
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	3673
State	Published - Dec 1 1999
Event	Proceedings of the 1999 Smart Structures and Materials - Smart Electronics and MEMS - Newport Beach, CA, USA Duration: Mar 1 1999 → Mar 3 1999

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title = "Embedded cure monitor, strain gauge, and mechanical state estimator",

abstract = "Pressed PZT Piezoelectric disks were embedded in a range of materials and their properties monitored under a wide range of conditions. The output depends on the temperature and pressure exerted on the PZT by the surrounding material and by the mechanical impedance mismatch between the embedded PZT and the surroundings. By monitoring the 'Q' of the PZT (the ratio of energy stored to energy dissipated) it was found that the PZT discs could be used as cure monitors, strain gauges, and as embedded dynamic mechanical property estimators. This latter property is a means of gauging the 'health of the material', and its degradation with time. These sensors were part of the MTS/US Navy embedded sensor program, so the sensors could be addressed and read remotely. The techniques, the data and the applications are discussed in this paper.",

author = "J. Dubow and W. Zhang and Y. Lu and J. Bingham and F. Syammach and Krantz, {D. G.} and Belk, {J. H.} and P. Bierman and R. Harjani and Mantell, {S. C.} and Polla, {D. L.} and Troyk, {P. R.}",

year = "1999",

month = dec,

day = "1",

language = "English (US)",

volume = "3673",

pages = "336--350",

journal = "Proceedings of SPIE - The International Society for Optical Engineering",

issn = "0277-786X",

publisher = "SPIE",

note = "Proceedings of the 1999 Smart Structures and Materials - Smart Electronics and MEMS ; Conference date: 01-03-1999 Through 03-03-1999",

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TY - JOUR

T1 - Embedded cure monitor, strain gauge, and mechanical state estimator

AU - Dubow, J.

AU - Zhang, W.

AU - Lu, Y.

AU - Bingham, J.

AU - Syammach, F.

AU - Krantz, D. G.

AU - Belk, J. H.

AU - Bierman, P.

AU - Harjani, R.

AU - Mantell, S. C.

AU - Polla, D. L.

AU - Troyk, P. R.

PY - 1999/12/1

Y1 - 1999/12/1

N2 - Pressed PZT Piezoelectric disks were embedded in a range of materials and their properties monitored under a wide range of conditions. The output depends on the temperature and pressure exerted on the PZT by the surrounding material and by the mechanical impedance mismatch between the embedded PZT and the surroundings. By monitoring the 'Q' of the PZT (the ratio of energy stored to energy dissipated) it was found that the PZT discs could be used as cure monitors, strain gauges, and as embedded dynamic mechanical property estimators. This latter property is a means of gauging the 'health of the material', and its degradation with time. These sensors were part of the MTS/US Navy embedded sensor program, so the sensors could be addressed and read remotely. The techniques, the data and the applications are discussed in this paper.

AB - Pressed PZT Piezoelectric disks were embedded in a range of materials and their properties monitored under a wide range of conditions. The output depends on the temperature and pressure exerted on the PZT by the surrounding material and by the mechanical impedance mismatch between the embedded PZT and the surroundings. By monitoring the 'Q' of the PZT (the ratio of energy stored to energy dissipated) it was found that the PZT discs could be used as cure monitors, strain gauges, and as embedded dynamic mechanical property estimators. This latter property is a means of gauging the 'health of the material', and its degradation with time. These sensors were part of the MTS/US Navy embedded sensor program, so the sensors could be addressed and read remotely. The techniques, the data and the applications are discussed in this paper.

UR - http://www.scopus.com/inward/record.url?scp=0033352510&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0033352510&partnerID=8YFLogxK

M3 - Conference article

AN - SCOPUS:0033352510

SN - 0277-786X

VL - 3673

SP - 336

EP - 350

JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

T2 - Proceedings of the 1999 Smart Structures and Materials - Smart Electronics and MEMS

Y2 - 1 March 1999 through 3 March 1999

ER -

Embedded cure monitor, strain gauge, and mechanical state estimator

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