Abstract
The second part of this study is devoted to the solution of the following problems: (i) excitation of plate modes with a lumped force applied to the plate’s surface, (ii) scattering of a bending wave at a small crack parallel to the plate’s surface, and (iii) scattering at a flaw involving a poorly glued joint between a rubbery coating and a plastic layer. The final formulas and numerical dependences for calculating the parameters of a crack or a cleavage are presented. A mathematical model that describes the scattering of waves by flaws in a multilayer article made from a plastic composite material has been developed.
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Budadin, O.N. and Potapov, I.A., Theoretical Foundations of Ultrasonic Nondestructive Testing of Multilayer Articles Made from Composite Materials with Rubbery Coatings: I. Modeling the Process of Excitation and Propagation of Elastic Waves Lengthwise in a Cylindrical Shell, Defektoskopiya, 2006, no. 11, pp. 29–40 [Rus. J. of Nondestructive Testing (Engl. Transl.), 2006, vol. 42, no. 11, pp. 728–736].
Budadin, O.N. and Potapov, I.A., Theoretical Foundations of Ultrasonic Nondestructive Testing of Multilayer Articles Made from Composite Materials with Rubbery Coatings: III. Studying the Model and the Process of Ultrasonic Nondestructive Testing of Multilayer Articles Made from a Polymer Composite Material with Rubbery Coating, (in press).
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Original Russian Text © O.N. Budadin, I.A. Potapov, 2006, published in Defektoskopiya, 2006, Vol. 42, No. 12, pp. 12–23.
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Budadin, O.N., Potapov, I.A. Theoretical foundations of ultrasonic nondestructive testing of multilayer articles manufactured from composites with rubbery coatings: II. Scattering of elastic waves at flaws involving poorly glued joints between plastic layers and between a plastic layer and a rubbery coating. Russ J Nondestruct Test 42, 780–789 (2006). https://doi.org/10.1134/S1061830906120023
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DOI: https://doi.org/10.1134/S1061830906120023