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ultrasonic imaging

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Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006473
EISBN: 978-1-62708-190-0
.... It provides information on the dimension-measurement applications of ultrasonic inspection methods. ultrasonic imaging inspection area-amplitude blocks distance-amplitude blocks calibration defects WHEN ULTRASONIC NONDESTRUCTIVE TESTING (NDT) was first applied, it was a workmanship standard...
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Published: 01 August 2018
Fig. 1 Schematic showing elements in the real-time ultrasonic imaging system. Courtesy of Pacific Northwest National Laboratory More
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Published: 01 August 2018
Fig. 14 Sketch of full field imaging of vibration or ultrasonic motion with a photorefractive demodulator. CCD, charge-coupled device More
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Published: 30 June 2023
Fig. 22 Synchronized x-ray imaging and ultrasonic measurements for laser spot welding. Reprinted with permission from Ref 54 . Copyright 2021, Acoustic Society of America More
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Published: 01 August 2018
Fig. 13 Ultrasonic images of a quarter. (a) Gate set for top surface. (b) Wide gate capturing both front and back surface data. Courtesy of Iowa State University Center for Nondestructive Evaluation More
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Published: 01 January 2001
Fig. 8 A-, B-, and C-scan ultrasonic images More
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Published: 01 August 2018
Fig. 8 A-, B-, and C-scan ultrasonic images More
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Published: 01 August 2018
Fig. 29 Laser ultrasonic inspection of an automotive suspension frame fillet weld. (a) Laser ultrasonic image combined with optical profilometry of the bead surface. (b) Metallographic image obtained after sectioning the weld with results (superimposed in red and yellow) derived from More
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006936
EISBN: 978-1-62708-395-9
... the linear and phased array systems that are sometimes used for large-scale inspection tasks to reduce scan times, the various gating and image processing techniques, and how ultrasonic data are interpreted and presented. A brief section on future trends in ultrasonic inspection is presented at the end...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006452
EISBN: 978-1-62708-190-0
... applications. It discusses the mathematics behind classical beamforming, full matrix capture, and total focusing methods of imaging. The article shows how ultrasonic array data can be simulated by direct numerical methods (most commonly using finite-element methods), analytical methods, or hybrid methods...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006982
EISBN: 978-1-62708-439-0
... images during the rotation of the specimen or the scanner, followed by a reconstruction of a three-dimensional (3D) image ( Ref 3 , 4 ). It gives highly resolved 3D images of the tested samples. Ultrasonic testing (UT) is another method used for AM components ( Ref 5 ) in many industries such as power...
Book Chapter

Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006474
EISBN: 978-1-62708-190-0
.... acoustical holography liquid-surface acoustical holography optical holography scanning acoustical holography sleeve-bearing stock through-transmission breast imaging system ACOUSTICAL HOLOGRAPHY is the extension of holography into the ultrasonic domain. The principles of acoustical holography...
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Published: 01 August 2018
Fig. 24 Laser-ultrasonic C-scan image of part of the horizontal stabilizer of a CF-18 airplane in undismantled and ready for take-off conditions. It is notable that, unlike conventional water jet ultrasonics, laser-ultrasonics allows scanning to the very edge of the part. More
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Published: 15 January 2021
Fig. 8 Scanning electron microscopy image of ultrasonically cleaned fracture surface revealing corrosion debris and loose crystals More
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Published: 01 January 2001
Fig. 7 C-17 pod fairing through-transmission ultrasonic data image More
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Published: 15 June 2020
Fig. 1 Images of various parts fabricated using ultrasonic additive manufacturing. (a) Heat exchanger fabricated with hybrid capabilities. (b) Component with embedded electronics. (c) Component with embedded fiber optic strain gages. (d) Heat exchanger. (e) Heat exchanger fabricated More
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Published: 01 August 2018
Fig. 7 C-17 pod fairing through-transmission ultrasonic data image More
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Published: 30 June 2023
Fig. 17 Ultrasonic testing images (A-, B-, C-, and D-scans) corresponding to the scan presented in Fig. 16 More
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006469
EISBN: 978-1-62708-190-0
... methods are discussed in the following sections. The related topic of sizing and imaging is considered in the article “Ultrasonic Imaging and Sizing” in this Volume. Pulse-Echo Methods In pulse-echo inspection, short bursts of ultrasonic energy (pulses) are introduced into a test piece at regular...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006460
EISBN: 978-1-62708-190-0
... with a photorefractive demodulator. The mask could be replaced by other optical elements such as a holographic grating or a fiber bundle array to project a light spot distribution onto the surface of the object. Full field imaging of vibration or ultrasonic motion at the surface of an object can be obtained...