[go: up one dir, main page]

Mitri et al., 2005 - Google Patents

Improved vibroacoustography imaging for nondestructive inspection of materials

Mitri et al., 2005

Document ID
6553160245973798464
Author
Mitri F
Fatemi M
Publication year
Publication venue
Journal of applied physics

External Links

Snippet

We report a method to improve image quality in the nondestructive investigation and visualization of defects using vibroacoustography (VA). Vibroacoustography is an ultrasound- based imaging technique that uses the dynamic (oscillatory) radiation force of low-frequency …
Continue reading at pubs.aip.org (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0654—Imaging
    • G01N29/069—Defect imaging, localisation and sizing using, e.g. time of flight diffraction [TOFD], synthetic aperture focusing technique [SAFT], Amplituden-Laufzeit-Ortskurven [ALOK] technique
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G01N29/0618—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/02—Analysing fluids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00

Similar Documents

Publication Publication Date Title
Ohara et al. Imaging of closed cracks using nonlinear response of elastic waves at subharmonic frequency
Fatemi et al. Ultrasound-stimulated vibro-acoustic spectrography
Solodov et al. Nonlinear air-coupled emission: The signature to reveal and image microdamage in solid materials
Van Damme et al. Time reversed acoustics techniques for elastic imaging in reverberant and nonreverberant media: An experimental study of the chaotic cavity transducer concept
Osumi et al. Harmonic imaging of a defect in a flat plate using a guided wave generated by a high-intensity aerial ultrasonic wave
Hayashi et al. Vibration energy analysis of a plate for defect imaging with a scanning laser source technique
Rus et al. Local ultrasonic resonance spectroscopy: a demonstration on plate inspection
Hayashi Imaging defects in a plate with complex geometries
Wydra et al. Grain size measurement of copper spot welding caps via ultrasonic attenuation and scattering experiments
Hudson et al. Imaging of local porosity/voids using a fully non-contact air-coupled transducer and laser Doppler vibrometer system
Mitri et al. Improved vibroacoustography imaging for nondestructive inspection of materials
Li et al. Micro-defect imaging with an improved resolution using nonlinear ultrasonic Lamb waves
Zhang et al. Boundary-enhanced reconstruction algorithm for probabilistic inspection of composite plate defects with air-coupled Lamb waves
JP2010266416A (en) Phased array aperture synthesis processing method and its application effect evaluation method
Maev et al. Review of advanced acoustical imaging techniques for nondestructive evaluation of art objects
Hayashi Defect imaging for plate-like structures using diffuse field
JP4196643B2 (en) Method and apparatus for imaging internal defect by ultrasonic wave
Köhler et al. Grain structure visualization with surface skimming ultrasonic waves detected by laser vibrometry
Barzegar et al. Adhesive porosity analysis of composite adhesive joints using ultrasonic guided waves
Li et al. Nondestructive detection of laser-cladding coating interface defects: a deep learning-enhanced laser ultrasonics approach
JP2008261889A (en) Imaging method of internal defect by ultrasonic wave, and its device
Fromme et al. Defect imaging in composite structures
Mitri et al. Simultaneous sum-frequency and vibro-acoustography imaging for nondestructive evaluation and testing applications
Chen et al. Angular measurement of acoustic reflection coefficients by the inversion of V (z, t) data with high frequency time-resolved acoustic microscopy
Ying et al. Multi-iteration Frequency-domain Synthetic Aperture Focusing Technique (MIF-SAFT) in multi-mode laser ultrasound for image quality improvement