SG11201704231UA - Acoustic transducers for structural health monitoring and methods of fabrication - Google Patents

Acoustic transducers for structural health monitoring and methods of fabrication

Info

Publication number
SG11201704231UA
SG11201704231UA SG11201704231UA SG11201704231UA SG11201704231UA SG 11201704231U A SG11201704231U A SG 11201704231UA SG 11201704231U A SG11201704231U A SG 11201704231UA SG 11201704231U A SG11201704231U A SG 11201704231UA SG 11201704231U A SG11201704231U A SG 11201704231UA
Authority
SG
Singapore
Prior art keywords
fabrication
methods
health monitoring
acoustic transducers
structural health
Prior art date
Application number
SG11201704231UA
Inventor
Kui Yao
Zhiyuan Shen
Shuting Chen
Lei Zhang
Chin Yaw Tan
Original Assignee
Agency Science Tech & Res
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 Agency Science Tech & Res filed Critical Agency Science Tech & Res
Publication of SG11201704231UA publication Critical patent/SG11201704231UA/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/16Measuring force or stress, in general using properties of piezoelectric devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0066Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by exciting or detecting vibration or acceleration
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04Analysing solids
    • G01N29/06Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0654Imaging
    • G01N29/069Defect imaging, localisation and sizing using, e.g. time of flight diffraction [TOFD], synthetic aperture focusing technique [SAFT], Amplituden-Laufzeit-Ortskurven [ALOK] technique
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04Analysing solids
    • G01N29/11Analysing solids by measuring attenuation of acoustic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/24Probes
    • G01N29/2475Embedded probes, i.e. probes incorporated in objects to be inspected
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/46Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/01Manufacture or treatment
    • H10N30/06Forming electrodes or interconnections, e.g. leads or terminals
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/01Manufacture or treatment
    • H10N30/07Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base
    • H10N30/074Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/01Manufacture or treatment
    • H10N30/08Shaping or machining of piezoelectric or electrostrictive bodies
    • H10N30/081Shaping or machining of piezoelectric or electrostrictive bodies by coating or depositing using masks, e.g. lift-off
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/01Manufacture or treatment
    • H10N30/09Forming piezoelectric or electrostrictive materials
    • H10N30/098Forming organic materials
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/025Change of phase or condition
    • G01N2291/0258Structural degradation, e.g. fatigue of composites, ageing of oils
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/042Wave modes
    • G01N2291/0427Flexural waves, plate waves, e.g. Lamb waves, tuning fork, cantilever

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
SG11201704231UA 2014-12-03 2015-12-02 Acoustic transducers for structural health monitoring and methods of fabrication SG11201704231UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG10201408061Q 2014-12-03
PCT/SG2015/050484 WO2016089310A1 (en) 2014-12-03 2015-12-02 Acoustic transducers for structural health monitoring and methods of fabrication

Publications (1)

Publication Number Publication Date
SG11201704231UA true SG11201704231UA (en) 2017-06-29

Family

ID=56092105

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201704231UA SG11201704231UA (en) 2014-12-03 2015-12-02 Acoustic transducers for structural health monitoring and methods of fabrication

Country Status (2)

Country Link
SG (1) SG11201704231UA (en)
WO (1) WO2016089310A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10677682B2 (en) 2017-02-23 2020-06-09 Agency For Science, Technology And Research Systems and methods for monitoring plastic deformation of a structured material
SG11202013146XA (en) * 2018-07-30 2021-01-28 Agency Science Tech & Res Structural health monitoring method and system
SG11202108828SA (en) * 2019-03-20 2021-09-29 Agency Science Tech & Res Structural health monitoring method and system
GB2588098B (en) * 2019-10-04 2024-04-24 Niba Solutions Ltd Flexibility assessment
FR3144487A1 (en) * 2022-12-23 2024-06-28 Commissariat À L’Energie Atomique Et Aux Energies Alternatives Piezoelectric device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161647A (en) * 1984-07-10 1986-01-15 Gen Electric Co Plc Piezoelectric devices
GB0414705D0 (en) * 2004-07-01 2004-08-04 Univ Paisley The Improvements to ultrasound transducers
GB0723526D0 (en) * 2007-12-03 2008-01-09 Airbus Uk Ltd Acoustic transducer
ES2738909T3 (en) * 2011-02-08 2020-01-27 Boeing Co Structural Health Supervision System
US8614724B2 (en) * 2011-08-17 2013-12-24 The Boeing Company Method and system of fabricating PZT nanoparticle ink based piezoelectric sensor
DK2608287T3 (en) * 2011-12-22 2014-06-16 Meggitt As Flexible piezoelectric material, manufacture and use thereof

Also Published As

Publication number Publication date
WO2016089310A1 (en) 2016-06-09

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