Measurement of Adhesion Strength Using Nonlinear Acoustics

Fassbender, S.; Kröning, M.; Arnold, W.

doi:10.4028/www.scientific.net/msf.210-213.783

Cited by 12 publications

(12 citation statements)

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“…In this case, the second-order solution of the KZK equation shows [12] that the second harmonic always remains within the near-axis area; the 2ω beam aperture is √ 2 times less than that for the fundamental wave. The second-harmonic variation with distance resembles the dissipation case (see (30)): linear growth at small x is changed by saturation and subsequently decreases as x increases. However, unlike dissipation, diffraction does not prevent wave-front discontinuity, although it may be delayed to much larger distances…”

Section: Nonlinear Acoustic Beamsmentioning

confidence: 88%

“…The third-order elastic constants can also be determined through the finite-amplitude method by measuring the nonlinear coefficients as shown in (20), (21), or (30). This method was first developed by Gedroitz and Krasilnikov [88] and Breazeale and Thompson [89].…”

Section: Finite-amplitude Methodsmentioning

confidence: 99%

“…According to (30), the linear growth of the second-harmonic amplitude for x x DS is then changed by saturation and decreased due to the dissipation effect. Formula (30) has to replace the second term in (17) for a precise determination of β 2 (and B/A) using the finite-amplitude method in solid materials, liquids, and biological media with substantial attenuation.…”

Section: Further Considerations 231 Effect Of Attenuationmentioning

confidence: 98%

“…Formula (30) has to replace the second term in (17) for a precise determination of β 2 (and B/A) using the finite-amplitude method in solid materials, liquids, and biological media with substantial attenuation.…”

Section: Further Considerations 231 Effect Of Attenuationmentioning

confidence: 99%

“…Since the last decade, a great deal of interest has been shown in the nonlinear acoustic nondestructive evaluation of various defects in materials of practical importance. Nonlinear acoustic ©1999 NRC Canada techniques have been proven to be useful for the measurements of adhesion strength in layered structures [30], nondestructive detection of fractured defects in crystals [31], ceramics [32], carbon electrodes [33], and concrete structures [34], as well as fatigue cracks in metals, such as steels, titanium, and aluminum alloys [35]. The acoustic frequency employed ranged from several hundred Hz for standing wave detection of problems with space shuttle ceramic tiles [32] to over 15 GHz for an acoustic microscope operating with pressurized super-fluid helium [36].…”

Section: Introductionmentioning

confidence: 99%

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Review / Sythèse Nonlinear acoustic applications for material characterization: A review

Zheng¹,

Maev²,

Solodov³

2000

Can. J. Phys.

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The nonlinear acoustic applications for material characterization are reviewed. The general theoretical analysis of the effects of nonlinearity, dissipation, dispersion, and diffraction on intense acoustic-wave propagation is given. Acoustic nonlinear parameters and their determination methods are introduced. The investigations of nonlinear acoustic applications for solid material evaluation are discussed for different levels of disruption, from asymmetry of lattice structure and dislocation in crystals to disbonds and cracks in engineering materials. The experimental methods involved in these investigations are also considered. The techniques used for nonlinear acoustic imaging are divided into two categories, concerned with resolution improvement by using higher harmonics, and nonlinear parametric imaging. The nonlinear acoustic applications in biomedical imaging, acoustic microscopy, and nonlinear nondestructive evaluation are presented. Finally, the issues that need further investigations in this area are discussed.

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Section: Nonlinear Acoustic Beamsmentioning

confidence: 88%

Section: Finite-amplitude Methodsmentioning

confidence: 99%

Section: Further Considerations 231 Effect Of Attenuationmentioning

confidence: 98%

Section: Further Considerations 231 Effect Of Attenuationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Review / Sythèse Nonlinear acoustic applications for material characterization: A review

Zheng¹,

Maev²,

Solodov³

2000

Can. J. Phys.

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Nonlinear Acoustic Methods

Donskoy

2008

Encyclopedia of Structural Health Monitoring

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The nonlinear acoustic technique (NAT) developed for detecting and characterizing structural and material defects is an emerging field with unique advantages and challenges. NAT exploits nonlinear dynamic behavior produced by contact interfaces and micro‐ and mesoscopic inhomogeneities associated with structural defects and damages including cracks, disbonds, and delaminations. Nonlinearities across the defects lead to noticeable nonlinear transformations of the interrogating acoustic signals such as harmonic distortions, frequency mixing, modulations, etc. Digital signal processing is used to experimentally capture these transformations unlocking the potential of the NAT to monitor and characterize nonlinear defects and damages in a wide variety of materials and structures.

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