TPWJ, 2018, #11-12, 105-111 pages
Journal The Paton Welding Journal
Publisher International Association «Welding»
ISSN 0957-798X (print)
Issue #11-12, 2018 (November)
Magnetoacoustic diagnostics of hydrogen damage of ferromagnetics
Z.T. Nazarchuk and V.R. Skalsky
H.V. Karpenko Physico-Mechanical Institute of the NAS of Ukraine
5 Naukova Str., Lviv, 79050, Ukraine. E-mail: email@example.com
The experimental investigations were carried out in order to quantitatively determine a change of parameters of signals of magnetoelastic acoustic emission under effect of structural transformations and level of hydrogenation of ferromagnetic materials. It is shown that application of a phenomenon of magnetoelastic acoustic emission can make a basis for development of the new high-sensitive nondestructive technologies for detection of hydrogen accumulated by material during long-term operation of structures. 7 Ref., 9 Figures.
Keywords: nondestructive testing technologies, metallic structures, hydrogen-containing media, magnetoelastic emission, parameters of signals, increase of sensitivity
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2. Nazarchuk, Z.T., Neklyudov, I.M., Skalskyi, V.R. (2016) Method of acoustic emission in diagnostics of NPP reactor vessels. Kyiv, Naukova Dumka [in Ukrainian].
3. Nazarchuk, Z.T., Andrejkiv, O.E., Skalskyi, V.R. (2013) Estimation of hydrogen degradation of ferromagnets in magnetic field. Kyiv, Naukova Dumka [in Ukrainian].
4. Skalskyi V., Stankevych O., Dubytskyi O. (2018) Estimation of effect of hydrogen on the parameters of magnetoacoustic emission signals. Journal of Magnetism and Magnetic Materials, 375–385. https://doi.org/10.1016/j.jmmm.2018.01.089
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