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acoustic emission technique

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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
... of the liquid penetrant methods, positron annihilation techniques, acoustic 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...
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
... of maintenance philosophies. The article concludes with a discussion on various condition monitoring in industrial sectors, including condition-monitoring techniques in nuclear power plants, road condition monitoring, and condition monitoring in wind turbines. acoustic emission testing condition...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003463
EISBN: 978-1-62708-195-5
..., including matrix cracking, fiber-matrix debonding, delamination between plies, and fiber breakage. This article summarizes visual analysis and nondestructive testing methods for the failure analysis of composites. These methods include radiography, ultrasonic techniques, acoustic emission, and thermograph...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003317
EISBN: 978-1-62708-176-4
..., and equipment limitations. Various crack measurement techniques, including optical, ultrasonic, acoustic emission, electrical, and compliance methods, are also reviewed. The article discusses the two major aspects of FCGR test analysis: to ensure suitability of the test data and to calculate growth rates from...
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
.... Acoustic emission can be a very sensitive measure, responding to microstructural variations, and has received significant attention as a technique for monitoring damage development in composites ( Ref 88 , 89 ). Acoustic emission is most often applied during structural testing, but can be used in process...
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
.... An acoustic emission technique has been used to measure resistance projecting weld strength in Zircaloy-2, a nuclear reactor alloy, followed by various surface treatments ( Ref 12 ). Based on the acoustic emission counts during the weld process, it was found that tensile-shear weld strength for a range...
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 used. An acoustic emission technique has been used to measure resistance projecting weld strength in Zircaloy-2, a nuclear reactor alloy, followed by various surface treatments ( Ref 12 ). Based on the acoustic emission counts during the weld process, it was found that tensile-shear weld strength...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009152
EISBN: 978-1-62708-186-3
.... , Mukhopadhyay C.K. , Venugopal S. , Mannan S.L. , and Raj B. , A Review of the Application of Acoustic Emission Techniques for Monitoring Forming and Grinding Process , J. Mater. Process. Technol. , Vol 159 , 2005 , p 49 – 55 10.1016/j.jmatprotec.2004.01.034 21. Olympus...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005578
EISBN: 978-1-62708-174-0
... 9. Wang K.K. , Reif G.R. , and Oh S.K. , In-Process Quality Defection of Friction Welds Using Acoustic Emission Techniques , Weld. J. Vol 61 ( No. 9 ), Sept 1982 , p 312s – 316s 10. Oh S.K. , Hasui A. , Kunio T. , and Wang K.K. , Effects...
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
... from Cleavage Crack Extension , Int. J. Fract. , 1983 , p 111 – 128 16. Gorman M.R. , Plate Wave Acoustic Emission , J. Acoust. Soc. Am. , Vol 90 ( No. 1 ), 1991 , p 358 – 365 10.1121/1.401258 17. Scruby C.B. , Quantitative Acoustic Emission Techniques , Research...
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
... by x-ray radiography 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...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003237
EISBN: 978-1-62708-199-3
...Abstract Abstract Acoustic-emission inspection detects and analyzes minute acoustic-emission signals generated by discontinuities in materials under applied stress. This article discusses the types of acoustic emissions (continuous-type emissions and burst-type emissions) and applications...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003237
EISBN: 978-1-62708-199-3
... are correctly identified in the context of overall inspection needs and when the correct techniques and instruments are used in developing and performing the test procedure. Acoustic emission equipment is highly sensitive to any kind of movement in its operating frequency range (typically 20 to 1200 kHz...
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
.... Manz A.F. , Welding Arc Sounds , Weld. J. Vol 60 ( No. 5 ), May 1981 , p 23 90. Jolly W.D. , Acoustic Emission Exposes Cracks during Welding , Weld. J. , Vol 48 ( No. 1 ), Jan 1969 , p 21 – 27 91. Drouet M.G. and Nadeau E. , Pressure Waves Due...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006557
EISBN: 978-1-62708-290-7
... as an in situ monitoring technique due to the complexity involved in signal processing and detection alignment with the build process. Preliminary investigations using noncontact techniques, such as spatially resolved microscopy ( Ref 67 ), laser ultrasonics ( Ref 9 , 80 ), and acoustic emission testing ( Ref...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001478
EISBN: 978-1-62708-173-3
... limits, design limitations, and both nondestructive and destructive inspection techniques are reviewed. To monitor the effect of the applied load, an acoustic emission system was used. The sensor was mounted on the beryllium surface, acoustically coupled with a viscous resin. A standardization...
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: 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.a0005638
EISBN: 978-1-62708-174-0
...). The formation of metal vapor and plasma can be related to the actions of the melt pool and are characterized by acoustic frequencies generally less than 10 kHz. Hence, the core of acoustic emission (100 Hz to 20 kHz) relating to vaporization, plasma formation, instability, and mass motion of the melt pool...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006449
EISBN: 978-1-62708-190-0
...-effect sensors, and magnetic-particle techniques), ultrasonic, acoustic emission, guided wave, laser testing, microwave, radiographic, thermal and infrared testing, x-ray diffraction, and visual inspection. Selection of the NDT method depends on product manufacturing specifications and requirements...