Damped structural composite material using resistively-shunted piezoelectric ceramic short fibers

George A. Lesieutre, Shridhar Yarlagadda, Shoko Yoshikawa, Stewart K. Kurtz, Q. C. Xu

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

The development of damped structural materials is an area of current research with potential for high payoff. Resistively-shunted piezoceramic fibers used as reinforcement in a structural composite material offer the potential to significantly increase vibration damping capability. This paper addresses the current status of an effort to develop such damped composite materials, including modeling aspects, performance limits, design guidelines, and fabrication issues. With longitudinally-poled fibers, peak damping loss factors of 12% are theoretically attainable, even at low (30%) piezoceramic fiber volume fractions. Relatively short fibers could provide composite stiffness and damping nearly equal to that provided by continuous fibers, with some fabrication and cost advantage. Some piezoelectric fibers have been produced using a sol-gel method, while details of poling and shunting are under investigation.

Original languageEnglish (US)
Pages (from-to)3238-3243
Number of pages6
JournalCollection of Technical Papers - AIAA/ASME Structures, Structural Dynamics and Materials Conference
Issue numberpt 6
StatePublished - Jan 1 1993
Event34th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference - La Jolla, CA, USA
Duration: Apr 19 1993Apr 22 1993

Fingerprint

Piezoelectric ceramics
Fibers
Composite materials
Damping
Fabrication
Sol-gel process
Vibrations (mechanical)
Volume fraction
Reinforcement
Stiffness
Costs

All Science Journal Classification (ASJC) codes

  • Architecture
  • Materials Science(all)
  • Aerospace Engineering
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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abstract = "The development of damped structural materials is an area of current research with potential for high payoff. Resistively-shunted piezoceramic fibers used as reinforcement in a structural composite material offer the potential to significantly increase vibration damping capability. This paper addresses the current status of an effort to develop such damped composite materials, including modeling aspects, performance limits, design guidelines, and fabrication issues. With longitudinally-poled fibers, peak damping loss factors of 12{\%} are theoretically attainable, even at low (30{\%}) piezoceramic fiber volume fractions. Relatively short fibers could provide composite stiffness and damping nearly equal to that provided by continuous fibers, with some fabrication and cost advantage. Some piezoelectric fibers have been produced using a sol-gel method, while details of poling and shunting are under investigation.",
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Damped structural composite material using resistively-shunted piezoelectric ceramic short fibers. / Lesieutre, George A.; Yarlagadda, Shridhar; Yoshikawa, Shoko; Kurtz, Stewart K.; Xu, Q. C.

In: Collection of Technical Papers - AIAA/ASME Structures, Structural Dynamics and Materials Conference, No. pt 6, 01.01.1993, p. 3238-3243.

Research output: Contribution to journalConference article

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T1 - Damped structural composite material using resistively-shunted piezoelectric ceramic short fibers

AU - Lesieutre, George A.

AU - Yarlagadda, Shridhar

AU - Yoshikawa, Shoko

AU - Kurtz, Stewart K.

AU - Xu, Q. C.

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AB - The development of damped structural materials is an area of current research with potential for high payoff. Resistively-shunted piezoceramic fibers used as reinforcement in a structural composite material offer the potential to significantly increase vibration damping capability. This paper addresses the current status of an effort to develop such damped composite materials, including modeling aspects, performance limits, design guidelines, and fabrication issues. With longitudinally-poled fibers, peak damping loss factors of 12% are theoretically attainable, even at low (30%) piezoceramic fiber volume fractions. Relatively short fibers could provide composite stiffness and damping nearly equal to that provided by continuous fibers, with some fabrication and cost advantage. Some piezoelectric fibers have been produced using a sol-gel method, while details of poling and shunting are under investigation.

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