GB8812508D0 - Improvements in & relating to piezoelectric composites - Google Patents

Improvements in & relating to piezoelectric composites

Info

Publication number
GB8812508D0
GB8812508D0 GB888812508A GB8812508A GB8812508D0 GB 8812508 D0 GB8812508 D0 GB 8812508D0 GB 888812508 A GB888812508 A GB 888812508A GB 8812508 A GB8812508 A GB 8812508A GB 8812508 D0 GB8812508 D0 GB 8812508D0
Authority
GB
United Kingdom
Prior art keywords
ceramic
composite
polymer matrix
piezoelectric
resistivity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB888812508A
Other versions
GB2219129B (en
GB2219129A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8812508A priority Critical patent/GB2219129B/en
Publication of GB8812508D0 publication Critical patent/GB8812508D0/en
Priority to EP89906386A priority patent/EP0368986A1/en
Priority to PCT/GB1989/000561 priority patent/WO1989011738A1/en
Priority to AU36976/89A priority patent/AU613773B2/en
Publication of GB2219129A publication Critical patent/GB2219129A/en
Application granted granted Critical
Publication of GB2219129B publication Critical patent/GB2219129B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/01—Manufacture or treatment
    • H10N30/09—Forming piezoelectric or electrostrictive materials
    • H10N30/092—Forming composite materials

Abstract

The invention relates to piezoelectric composites and more particularly, but not exclusively, to a method of manufacturing a composite material in which a piezoelectric ceramic is dispersed as a powder within a polymer matrix. The method comprises forming a composite including a ceramic dispersed within a polymer matrix, partially curing the polymer matrix to a desired resistivity relative to the resistivity of the ceramic, applying a poling field to the composite to render the ceramic piezoelectric and increasing the resistivity of the polymer matrix by further curing. In one embodiment electrodes are bonded to the ceramic polymer composite by utilising the residual reactivity in the partially cured composite material to bond chemically the composite to the electrode material.
GB8812508A 1988-05-26 1988-05-26 Improvements in and relating to piezoelectric composites Expired GB2219129B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB8812508A GB2219129B (en) 1988-05-26 1988-05-26 Improvements in and relating to piezoelectric composites
EP89906386A EP0368986A1 (en) 1988-05-26 1989-05-22 Improvements in and relating to piezoelectric composites
PCT/GB1989/000561 WO1989011738A1 (en) 1988-05-26 1989-05-22 Improvements in and relating to piezoelectric composites
AU36976/89A AU613773B2 (en) 1988-05-26 1989-05-22 Improvements in and relating to piezoelectric composites

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8812508A GB2219129B (en) 1988-05-26 1988-05-26 Improvements in and relating to piezoelectric composites

Publications (3)

Publication Number Publication Date
GB8812508D0 true GB8812508D0 (en) 1988-06-29
GB2219129A GB2219129A (en) 1989-11-29
GB2219129B GB2219129B (en) 1992-06-03

Family

ID=10637591

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8812508A Expired GB2219129B (en) 1988-05-26 1988-05-26 Improvements in and relating to piezoelectric composites

Country Status (4)

Country Link
EP (1) EP0368986A1 (en)
AU (1) AU613773B2 (en)
GB (1) GB2219129B (en)
WO (1) WO1989011738A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2235576B (en) * 1989-08-30 1993-05-12 Plessey Co Plc Improved electro-active composite poling efficiency
GB2243946A (en) * 1990-05-09 1991-11-13 Plessey Res Caswell A method of poling an electroactive composite material
SE0004594D0 (en) * 2000-12-12 2000-12-12 Gyros Ab Microscale nozzie
CN108846191B (en) * 2018-06-07 2022-04-15 哈尔滨工业大学 Distributed parameter saturated capacitance model modeling method for piezoelectric ceramic actuator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB455186A (en) * 1936-01-10 1936-10-15 Solomon Marcus Sager Improvements in a fountain pen
US2434143A (en) * 1943-04-17 1948-01-06 Chilowsky Constantin Supersonic signal transmitter and receiver
GB665452A (en) * 1944-04-08 1952-01-23 Technical Assets Inc Method and apparatus for making artificial piezoelectric elements
FR2501916A1 (en) * 1981-03-13 1982-09-17 Commissariat Energie Atomique PIEZOELECTRIC COMPOSITE MATERIAL AND METHOD FOR MANUFACTURING THE SAME
DE3138249C2 (en) * 1981-09-25 1983-10-27 Siemens AG, 1000 Berlin und 8000 München Synthetic resin-impregnated piezoceramic body

Also Published As

Publication number Publication date
AU3697689A (en) 1989-12-12
WO1989011738A1 (en) 1989-11-30
GB2219129B (en) 1992-06-03
AU613773B2 (en) 1991-08-08
EP0368986A1 (en) 1990-05-23
GB2219129A (en) 1989-11-29

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920903