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Registration Number

0212U000524, 0107U004071 , R & D reports

Title

Development of nondestructive testing theory for elastic layered conjunctions with cracks under the condition of their dynamic sounding

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Head

Kuryliak Dozyslav Bohdanovych,

Registration Date

21-02-2012

Organization

Karpenko Physico-Mechanical Institute of the National Academy of Science of Ukraine

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Based on the solution of elastic SH-wave diffraction by the inter-phase cracks, the defects’ characteristics a of the scattering and also resonance frequencies of the dynamic system “cracks on the plane interface of junction of the plate with the half-space” are estimated. Three different types of junctions are considered. The resonance frequencies as a function of the dynamic system parameters are received, and the methods for their implementation for the diagnostics of stratified elastic materials are proposed. The fields, scattered by the inter-phase crack, excited by the wave beam are analyzed. For the description of the wave beam the model of the source with the complex coordinates is used. The methods of estimation of the coefficients of intensity of the semi-finite inter-phase crack using the far-field pattern are proposed.

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Іванська Надія Іванівна
Войтко Мирон Васильович
Джала Василь Романович
Капко Любомир Іванович
Корній Валентина Василівна
Кулинич Ярослав Петрович
Куриляк Дозислав Богданович
Назарчук Зіновій Теодорович
Рибачук Володимир Георгійович
Рудавський Денис Володимирович
Синявський Андрій Тадейович
Тетерко Анатолій Якович
Тріщук Оксана Богданівна
Шарабура Олексій Михайлович