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ultrasonic wave

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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001226
EISBN: 978-1-62708-170-2
... controls all functions, including the hoist, and allows for storage of different process parameters for different types of parts. Courtesy of Blue Wave Ultrasonics Abstract Abstract Ultrasonic cleaning involves the use of high-frequency sound waves that is above the upper range of human heating...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006470
EISBN: 978-1-62708-190-0
... . Reprinted with permission from Institute of Electrical and Electronics Engineers (IEEE), © Copyright 1965 Fig. 11 Variation of acoustic pressure with angle of reflection or refraction during immersion ultrasonic inspection of aluminum. The acoustic pressure of the incident wave equals 1.0...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006446
EISBN: 978-1-62708-190-0
... of nonlinear origin Abstract Abstract Nonlinear ultrasonic nondestructive examination (NDE) techniques are based on nonlinear interaction of ultrasonic waves with the material to be characterized and defects to be detected. This article introduces the basic principles of nonlinear material-wave...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003236
EISBN: 978-1-62708-199-3
... for additional processing Oscilloscope, which provides the visual display of the time and amplitude parameters used to interpret the data from the ultrasonic inspection Fig. 1 Typical pulse-echo instrument Generation and detection of ultrasonic waves for inspection is accomplished by means...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003236
EISBN: 978-1-62708-199-3
... a detailed account of ultrasonic flaw detectors, including ultrasonic transducers and types of search units and couplants. The article describes pulse-echo and transmission inspection methods and data interpretation. The general characteristics of ultrasonic waves and the factors influencing ultrasonic...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006457
EISBN: 978-1-62708-190-0
... to the inspection of bonded structures, including visual inspection, ultrasonic inspection, X-ray radiography, and neutron radiography. The evaluation and correlation of inspection results are also discussed. The article concludes with information on the effects of ultrasonic wave interference in the ultrasonic...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006471
EISBN: 978-1-62708-190-0
...Abstract Abstract This article discusses the advantages, disadvantages, applications, and selection criteria of various technologies and transduction modalities that can generate and detect ultrasonic waves. These include piezoelectric transducers, electromagnetic acoustic transducers (EMATs...
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
... Fig. 9 Block diagram for a B-scan system. Adapted from Ref 2 Fig. 10 Block diagram for a C-scan system. Adapted from Ref 2 Fig. 4 Example of ultrasonic pulse-echo inspection. (a) A modern portable digital ultrasound unit used with (b) a shear wave transducer in pulse-echo...
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
...) laser-ultrasonic Fourier-synthetic aperture focusing technique (F-SAFT) processing using shear waves and an annular aperture. The color code used in (b) is indicative of the crack depth. Fig. 27 Inspection of a lap friction stir welded (FSW) joint: comparison of (a) immersion ultrasonics...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003436
EISBN: 978-1-62708-195-5
... Fourier transform Fig. 18 Ultrasonic spectroscopy response of debonded composite. FFT, fast Fourier transform Fig. 21 Schematic diagram showing the two Lamb wave basic modes. (a) Symmetric. (b) Asymmetric Fig. 19 Transmission of higher frequencies in a composite...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003658
EISBN: 978-1-62708-182-5
... corrosion detection and the applications of microwave NDE devices and GW ultrasonic NDE devices. microwave technique guided wave technique non-destructive technique corrosion damage TWO INTERESTING TECHNIQUES for finding hidden corrosion are emerging as viable in-service nondestructive...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006461
EISBN: 978-1-62708-190-0
... steel substrate coated by 190-µm-thick plasma-sprayed NiCoCrAlY layer. Source: Ref 107 Fig. 23 Comparison between ultrasonic and optical thickness. Source: Ref 109 Fig. 24 Experimental Rayleigh wave velocity for graphite-epoxy composites. B, unidirectional composites; C, (0/90...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006472
EISBN: 978-1-62708-190-0
... flaw length. Source: Ref 6 Abstract Abstract Time-of-flight diffraction (TOFD) is an ultrasonic technique used to detect diffracted waves from crack tips and to size the cracks from the arrival times of those waves. This article discusses the basic considerations and provides information...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005616
EISBN: 978-1-62708-174-0
... methods is the requirement for accessibility to both surfaces of the material to be tested. The ultrasonic method uses high-frequency sound waves to locate and measure flaws in welds. It can be used to inspect various materials such as metals, plastics, composites, ceramics, and others...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006477
EISBN: 978-1-62708-190-0
... is the requirement for accessibility to both surfaces of the material to be tested. The ultrasonic method uses high-frequency sound waves to locate and measure flaws in welds. It can be used to inspect various materials such as metals, plastics, composites, ceramics, and others. This is an extremely sensitive...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006441
EISBN: 978-1-62708-190-0
..., in particular in the oil and gas industry. Guided wave testing is used to detect defects in long structural components such as pipelines by making use of elastic waves that propagate along the structure. The waves, which are typically in the upper audio-frequency range or low ultrasonic range (10 to 150 kHz...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005857
EISBN: 978-1-62708-167-2
... current, magnetic, electrical 100% Case depth Ultrasonic, eddy current, magnetic, electrical 100% Microstructure Magnetic, eddy current, electrical 100% Pattern Visual, eddy-current inspection 100% Surface crack Magnetic particle inspection, eddy current 100% (a) Sampling plan...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
... three areas of adhesive tie-in defects Fig. 34 Chart for the selection of x-ray energy as a function of material and thickness Fig. 29 Change of acousto-ultrasonic stress wave parameter during fatigue test of a graphite/epoxy specimen Fig. 24 Leaky Lamb wave...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003240
EISBN: 978-1-62708-199-3
..., such as sound waves. The two methods currently available for practical nondestructive inspection are optical holography, using visible light waves, and acoustical holography, using ultrasonic waves. Optical holographic interferometry has been successfully used both in research and testing applications...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003240
EISBN: 978-1-62708-199-3
..., such as sound waves. The two methods currently available for practical nondestructive inspection are optical holography, using visible light waves, and acoustical holography, using ultrasonic waves. Optical Holography Optical holographic interferometry has been successfully used both in research...