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ultrasonic method

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Published: 01 January 2003
Fig. 10 Ultrasonic method for detecting poor bonding in a lap splice with ultrasonic guided waves. (a) Ultrasonic through-transmission approach for lap splice joint inspection. (b) Double-spring “hopping probe” used for the inspection of a lap splice joint. (c) Signal for a good bond. (d More
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Published: 01 August 2018
Fig. 22 (a) Schematic of ultrasonic polar scan method. State-of-the-art pulsed ultrasonic polar scan recordings at f c = 5 MHz for (b) aluminum with thickness d = 0.6 mm (0.024 in.) and (c) [0°] 8 carbon/epoxy laminate with thickness d = 1.1 mm (0.043 in.). QL, quasi-longitudinal More
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Published: 30 June 2023
Fig. 26 Results of phased array ultrasonic testing scan with total focusing method corresponding to interconnected vertical cylinders, with seven of seven cavities detected (C- and D-scans) More
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Published: 30 June 2023
Fig. 27 Results of phased array ultrasonic testing scan with total focusing method corresponding to spherical cavities, with six of seven cavities detected (C- and D-scans) More
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Published: 30 June 2023
Fig. 28 Results of phased array ultrasonic testing scan with total focusing method corresponding to oriented cylinders, with three of seven clearly detected and three of seven lightly detected (C- and D-scans) More
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Published: 30 June 2023
Fig. 29 Results of phased array ultrasonic testing scan with total focusing method corresponding to horizontal cylinders, with six of seven cylinders detected (C- and D-scans) More
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002363
EISBN: 978-1-62708-193-1
... emission techniques, ultrasonic methods, eddy current techniques, infrared techniques, exoelectron methods, and gamma radiography. The article explains the microscopy methods used to determine fatigue crack initiation and propagation. These include electron microscopy, scanning tunneling microscopy, atomic...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001269
EISBN: 978-1-62708-170-2
...-atmosphere techniques, such as Sendzimir oxidation/reduction method; other specialized methods, namely, fluxes, mechanical cleaning, and ultrasonic methods; or a combination of these. alkaline cleaning chemical pickling contaminant removal continuously applied coatings electrolytic cleaning...
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Published: 15 May 2022
Fig. 2 Common methods of ultrasonic inspection: (a) pitch-catch, (b) through-transmission, (c) pulse-echo More
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
... with the radiography method over other NDE methods is the requirement for accessibility to both surfaces of the material to be tested. Ultrasound 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...
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
... method over other NDE methods is the requirement for accessibility to both surfaces of the material to be tested. Ultrasound 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...
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
...) tools: microwave NDE and guided wave (GW) ultrasonic NDE methods. The in-service inspection scenario is complicated by the fact that corrosion is often hidden, and expensive disassembly can be required to complete an inspection. Microwave and GW NDE techniques have promise as methods that minimize...
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
... Abstract This article introduces the principal methodologies and some technologies that are being applied for nondestructive evaluation of composite materials. These include ultrasonic testing (UT), air-coupled UT, laser UT, ultrasonic spectroscopy, leaky lamb wave method, acousto-ultrasonics...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003437
EISBN: 978-1-62708-195-5
... of particle size and size distribution measurement Table 1 Typical methods of particle size and size distribution measurement Measuring principle Method Approximate useful size range, μm Mechanical or ultrasonic agitation Sieving 5–125 mm Microscopy Optical 0.5–100 Electron 0.001...
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 intrinsic nonlinearity in intact solids, and the main mechanisms of excess nonlinearity in damaged metals. It describes the measurement methods for nonlinear ultrasonic materials characterization and flaw-detection. The article schematically illustrates the instrumentation used for measurements...
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
... Abstract This article provides an overview of the characteristics of Rayleigh waves plus methods for generation and detection of waves, including using piezoelectric transducers or noncontact techniques such as lasers, electromagnetic acoustic transducers, or air-coupled ultrasonics. It reviews...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003329
EISBN: 978-1-62708-176-4
... the semidestructive methods of residual stress measurement: blind hole drilling and ring coring, spot annealing, and X-ray diffraction techniques. Nondestructive methods such as neutron diffraction, ultrasonic velocity, and magnetic Barkhausen noise techniques, are also discussed. Barkhausen noise analysis...
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...
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
...-reinforced polymer-matrix composites low-frequency vibration method metal-matrix composites nondestructive evaluation thermography ultrasonic emission Nondestructive Testing of Composite Materials Composite materials, because of their nonhomogeneous, anisotropic characteristics, pose significant...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
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