Elastic wave diffraction by elliptical cracks:Theory and experiment

Analytical solutions to the diffraction of elastic waves by elliptical cracks in Ti are compared with experimental results. The analysis is based on physical elastodynamic theory and is valid for ka = > = > 1 and in the far field. A digitized ultrasonic spectrum analysis system is used to meas...

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Bibliographic Details
Published in:Journal of nondestructive evaluation 1980-06, Vol.1 (2), p.87-99
Main Authors: ADLER, L, ACHENBACH, J.D
Format: Article
Language:English
Subjects:
Analysing. Testing. Standards
Applied sciences
Exact sciences and technology
Metals. Metallurgy
Nondestructive testing
Testing for defects
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Summary:Analytical solutions to the diffraction of elastic waves by elliptical cracks in Ti are compared with experimental results. The analysis is based on physical elastodynamic theory and is valid for ka = > = > 1 and in the far field. A digitized ultrasonic spectrum analysis system is used to measure the frequency components of broadband waves diffracted from elliptical cracks with aspect ratios (ratio of major to minor axes) ranging from 1 to 8. The amplitude spectra show good agreement between experiment and theory. 9 ref.--AA
ISSN:0195-9298
1573-4862
DOI:10.1007/bf00566117