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acoustic-emission resonant sensor

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Published: 01 December 1998
Fig. 1 Typical construction of an acoustic-emission resonant sensor More
Image
Published: 01 August 2018
Fig. 6 Typical construction of an acoustic emission resonant sensor More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003237
EISBN: 978-1-62708-199-3
... includes the acoustic-emission resonant sensor. acoustic-emission inspection acoustic-emission resonant sensor burst-type emissions continuous emissions discontinuity inspection instrumentation nondestructive testing method structural testing ACOUSTIC EMISSION is defined as the high...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006454
EISBN: 978-1-62708-190-0
... is better than 1% of sensor spacing, but it is worse than 10% in unfavorable cases. Wave-propagation effects underlying these variations are reviewed in Ref 26 . Acoustic Emission Sensors and Preamplifiers The key element in an AE resonant sensor is a piezoelectric ceramic (transducer) that converts...
Image
Published: 01 August 2018
Fig. 7 Natural acoustic emission burst-type signal in steel pressure vessel recorded using a 150 kHz resonance sensor More
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006444
EISBN: 978-1-62708-190-0
... and to the specimen as a whole by acoustic fatigue. Contact damage is often mitigated through the use of a coupling/protective material, such as cardstock, between welder tip and specimen, but inserting such a material reduces the strong nonlinearity required to excite the natural resonances of the specimen...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0007023
EISBN: 978-1-62708-439-0
... technique Acoustic emission testing Time-of-flight diffraction Nonlinear acoustic Eddy current testing … X-ray backscatter Radiographic testing … Neutron imaging Magnetic particle inspection … X-ray synchrotron Penetrant testing … Process-compensated resonance testing...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006400
EISBN: 978-1-62708-192-4
... analysis, acoustic emission testing, temperature monitoring, motor current signature analysis, and ultrasound emission. The article describes the evolution of condition-based maintenance in CM. It also describes the basics of integrated vehicle health management, a capability that enables a number...
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
... Abstract This article introduces the principal methodologies and some advanced technologies that are being applied for nondestructive evaluation (NDE) of fiber-reinforced polymer-matrix composites. These include acoustic emission, ultrasonic, eddy-current, computed tomography, electromagnetic...
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
..., radiography, X-ray computed tomography, thermography, low-frequency vibration methods, acoustic emission, eddy current testing, optical holography, and shearography. The article presents some examples are for fiber-reinforced polymer-matrix composites. Many of the techniques have general applicability...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.9781627081900
EISBN: 978-1-62708-190-0
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005553
EISBN: 978-1-62708-174-0
... for differences in the thermal emissivity of the workpiece. In GTAW, accurate IR temperature measurements can be further hampered by interfering radiation from the arc and the tungsten electrode ( Ref 72 ). Finally, unlike IR sensors, which typically have a fast response time, contact temperature transducers...
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
... or by acoustic emission testing with a hot-air gun or heat lamp to cause boiling or cavitation of the water ( Ref 7 , 8 , 9 ). Core corrosion and subsequent core-to-skin delamination is detectable by a variety of NDT methods, such as x-ray, contact ultrasonic ringing, sonic bond testers, eddy sonic, tap test...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006438
EISBN: 978-1-62708-190-0
... to measure near-surface strain Metals, foods, films, nonmetals, composites, assemblies Acoustic emission (AE) Multiple distributed sensors detect and triangulate AE stress wave source in response to mechanical or thermal stress. Corrosion, stress-corrosion cracking, weld cracking, creep and fatigue...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.9781627084390
EISBN: 978-1-62708-439-0
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 electromagnetic acoustic transducers (EMATs) or air-coupled transducers. As shown in Fig. 1 , a laser-ultrasonic transducer typically has three basic elements: a generation laser, a detection laser, and an interferometer, followed by data acquisition and processing electronic hardware. These elements...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006633
EISBN: 978-1-62708-213-6
... applications of scientific and industrial interest. These include STM, AFM, FFM (or LFM), scanning electrostatic force microscopy (SEFM) ( Ref 76 , 77 ), scanning force acoustic microscopy (SFAM, or atomic force acoustic microscopy) ( Ref 23 , 24 , 44 , 47 , 78 – 80 ), scanning magnetic microscopy (SMM...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003062
EISBN: 978-1-62708-200-6
... Abstract Ceramic materials serve important insulative, capacitive, conductive, resistive, sensor, electrooptic, and magnetic functions in a wide variety of electrical and electronic circuitry. This article focuses on various applications of advanced ceramics in both electric power...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
.... Chemical analysis is carried out by X-ray fluorescence spectrometry, atomic absorption spectrophotometry, and plasma-emission spectrophotometry. Phase analysis is done by X-ray diffraction, spectroscopic methods, thermal analysis, and quantitative analysis. Techniques used for microstructural analysis...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004131
EISBN: 978-1-62708-184-9
..., interesting for its low cost, low weight, low power demand, and long lifetime, has already proven to be particularly effective in damage identification by means of acoustic emission and is easily embedded into fiber composite materials. Particularly interesting are the sensory foils, where piezoelectric...