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leaky lamb wave method

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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...
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
..., surface waves, and lamb waves. The article reviews the major variables in ultrasonic inspection, including frequency, acoustic impedance, angle of incidence, and beam intensity. It discusses the attenuation of ultrasonic beams and provides information on the pulse-echo and transmission methods for...
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
... some form of fluid/gas is required to provide coupling between the transducer and the surface of the solid. In such cases, a leaky Rayleigh wave exists that propagates along the fluid/solid interface. This is specifically of importance when using methods of generating Rayleigh waves, such as placing...
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
... Abstract This article considers the two primary methods used for ultrasonic inspection: pulse-echo and the transmission methods. Pulse-echo inspection can be accomplished with longitudinal, shear, surface (Rayleigh), or Lamb (plate) waves using a diverse range of transducers. The article...
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
... Composites,” JANAF Conf. , Oct 1999 28. Bar-Cohen Y. , Mal A. , and Lih S.-S. , NDE of Composite Materials Using Ultrasonic Oblique Insonification , Mater. Eval. , Vol 51 ( No. 11 ), 1993 , p 1285 – 1295 29. Bar-Cohen Y. and Chimenti D.E. , Leaky Lamb Waves...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003431
EISBN: 978-1-62708-195-5
... inspection methods, such as leaky Lamb wave, polar backscattering, nonlinear acoustics, ultrasonic, radiography, computed tomography, and infrared thermography, to name a few. The continued development of these technologies could effectively make huge improvements in some markets. Data fusion systems are...