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Ultrasonic testing of single- and polycrystal articles made of nickel-based heat-resistant alloys

  • Acoustic Methods
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Abstract

The acoustic properties of single-crystal and polycrystalline heat-resistant nickel-based alloys are considered. Specimens of industrially produced ЦHK-8MP, ЧС-70B, and VKNA-4U alloys are studied. The velocities of ultrasonic waves and the attenuation coefficients are measured. The possibility of detecting artificial reflectors of the flat-bottom-hole and side-drilled-hole types located at different depths is shown. A reflected signal from a crack in a blade manufactured from the ЧС-70B alloy is studied. Recommendations on the selection of the parameters of ultrasonic testing of articles made from heat-resistant alloys are given.

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Authors and Affiliations

  1. Institute of Metal Physics, Ural Division, Russian Academy of Sciences, ul. Sof’i Kovalevskoi 18, Yekaterinburg, 620041, Russia

    A. B. Rinkevich, N. N. Stepanova, D. P. Rodionov & D. V. Perov

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  1. A. B. Rinkevich
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  2. N. N. Stepanova
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  3. D. P. Rodionov
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  4. D. V. Perov
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Additional information

Original Russian Text © A.B. Rinkevich, N.N. Stepanova, D.P. Rodionov, D.V. Perov, 2009, published in Defektoskopiya, 2009, Vol. 45, No. 11, pp. 3–21.

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Rinkevich, A.B., Stepanova, N.N., Rodionov, D.P. et al. Ultrasonic testing of single- and polycrystal articles made of nickel-based heat-resistant alloys. Russ J Nondestruct Test 45, 745–759 (2009). https://doi.org/10.1134/S1061830909110011

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  • DOI: https://doi.org/10.1134/S1061830909110011

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